diff --git a/Makefile b/Makefile index 915e9a34994f..6459e91369fd 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 15 -SUBLEVEL = 105 +SUBLEVEL = 106 EXTRAVERSION = NAME = Trick or Treat

diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index 69bd1732a299..9b465cd55a8d 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -468,14 +468,33 @@ static int get_user_mapping_size(struct kvm *kvm, u64 addr) CONFIG_PGTABLE_LEVELS), .mm_ops = &kvm_user_mm_ops, }; + unsigned long flags; kvm_pte_t pte = 0; /* Keep GCC quiet... */ u32 level = ~0; int ret;

+ /* + * Disable IRQs so that we hazard against a concurrent + * teardown of the userspace page tables (which relies on + * IPI-ing threads). + */ + local_irq_save(flags); ret = kvm_pgtable_get_leaf(&pgt, addr, &pte, &level); - VM_BUG_ON(ret); - VM_BUG_ON(level >= KVM_PGTABLE_MAX_LEVELS); - VM_BUG_ON(!(pte & PTE_VALID)); + local_irq_restore(flags); + + if (ret) + return ret; + + /* + * Not seeing an error, but not updating level? Something went + * deeply wrong... + */ + if (WARN_ON(level >= KVM_PGTABLE_MAX_LEVELS)) + return -EFAULT; + + /* Oops, the userspace PTs are gone... Replay the fault */ + if (!kvm_pte_valid(pte)) + return -EAGAIN;

return BIT(ARM64_HW_PGTABLE_LEVEL_SHIFT(level)); } @@ -826,7 +845,7 @@ static bool fault_supports_stage2_huge_mapping(struct kvm_memory_slot *memslot, * * Returns the size of the mapping. */ -static unsigned long +static long transparent_hugepage_adjust(struct kvm *kvm, struct kvm_memory_slot *memslot, unsigned long hva, kvm_pfn_t *pfnp, phys_addr_t *ipap) @@ -838,8 +857,15 @@ transparent_hugepage_adjust(struct kvm *kvm, struct kvm_memory_slot *memslot, * sure that the HVA and IPA are sufficiently aligned and that the * block map is contained within the memslot. */ - if (fault_supports_stage2_huge_mapping(memslot, hva, PMD_SIZE) && - get_user_mapping_size(kvm, hva) >= PMD_SIZE) { + if (fault_supports_stage2_huge_mapping(memslot, hva, PMD_SIZE)) { + int sz = get_user_mapping_size(kvm, hva); + + if (sz < 0) + return sz; + + if (sz < PMD_SIZE) + return PAGE_SIZE; + /* * The address we faulted on is backed by a transparent huge * page. However, because we map the compound huge page and @@ -957,7 +983,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, kvm_pfn_t pfn; bool logging_active = memslot_is_logging(memslot); unsigned long fault_level = kvm_vcpu_trap_get_fault_level(vcpu); - unsigned long vma_pagesize, fault_granule; + long vma_pagesize, fault_granule; enum kvm_pgtable_prot prot = KVM_PGTABLE_PROT_R; struct kvm_pgtable *pgt;

@@ -1104,6 +1130,11 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, vma_pagesize = transparent_hugepage_adjust(kvm, memslot, hva, &pfn, &fault_ipa); + + if (vma_pagesize < 0) { + ret = vma_pagesize; + goto out_unlock; + } }

if (fault_status != FSC_PERM && !device && kvm_has_mte(kvm)) { diff --git a/arch/mips/bmips/dma.c b/arch/mips/bmips/dma.c index 915ce4b189c1..76c5d8e4d6e2 100644 --- a/arch/mips/bmips/dma.c +++ b/arch/mips/bmips/dma.c @@ -64,6 +64,8 @@ phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dma_addr) return dma_addr; }

+bool bmips_rac_flush_disable; + void arch_sync_dma_for_cpu_all(void) { void __iomem *cbr = BMIPS_GET_CBR(); @@ -74,6 +76,9 @@ void arch_sync_dma_for_cpu_all(void) boot_cpu_type() != CPU_BMIPS4380) return;

+ if (unlikely(bmips_rac_flush_disable)) + return; + /* Flush stale data out of the readahead cache */ cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG); __raw_writel(cfg | 0x100, cbr + BMIPS_RAC_CONFIG); diff --git a/arch/mips/bmips/setup.c b/arch/mips/bmips/setup.c index 31bcfa4e08b9..45c7cf582348 100644 --- a/arch/mips/bmips/setup.c +++ b/arch/mips/bmips/setup.c @@ -34,6 +34,8 @@ #define REG_BCM6328_OTP ((void __iomem *)CKSEG1ADDR(0x1000062c)) #define BCM6328_TP1_DISABLED BIT(9)

+extern bool bmips_rac_flush_disable; + static const unsigned long kbase = VMLINUX_LOAD_ADDRESS & 0xfff00000;

struct bmips_quirk { @@ -103,6 +105,12 @@ static void bcm6358_quirks(void) * disable SMP for now */ bmips_smp_enabled = 0; + + /* + * RAC flush causes kernel panics on BCM6358 when booting from TP1 + * because the bootloader is not initializing it properly. + */ + bmips_rac_flush_disable = !!(read_c0_brcm_cmt_local() & (1 << 31)); }

static void bcm6368_quirks(void) diff --git a/arch/powerpc/kernel/ptrace/ptrace-view.c b/arch/powerpc/kernel/ptrace/ptrace-view.c index b8be1d6668b5..54dfa6a2aec8 100644 --- a/arch/powerpc/kernel/ptrace/ptrace-view.c +++ b/arch/powerpc/kernel/ptrace/ptrace-view.c @@ -290,6 +290,9 @@ static int gpr_set(struct task_struct *target, const struct user_regset *regset, static int ppr_get(struct task_struct *target, const struct user_regset *regset, struct membuf to) { + if (!target->thread.regs) + return -EINVAL; + return membuf_write(&to, &target->thread.regs->ppr, sizeof(u64)); }

@@ -297,6 +300,9 @@ static int ppr_set(struct task_struct *target, const struct user_regset *regset, unsigned int pos, unsigned int count, const void *kbuf, const void __user *ubuf) { + if (!target->thread.regs) + return -EINVAL; + return user_regset_copyin(&pos, &count, &kbuf, &ubuf, &target->thread.regs->ppr, 0, sizeof(u64)); } diff --git a/arch/s390/lib/uaccess.c b/arch/s390/lib/uaccess.c index 0b012ce0921c..25be1424d393 100644 --- a/arch/s390/lib/uaccess.c +++ b/arch/s390/lib/uaccess.c @@ -227,7 +227,7 @@ static inline unsigned long clear_user_mvcos(void __user *to, unsigned long size "4: slgr %0,%0\n" "5:\n" EX_TABLE(0b,2b) EX_TABLE(6b,2b) EX_TABLE(3b,5b) EX_TABLE(7b,5b) - : "+a" (size), "+a" (to), "+a" (tmp1), "=a" (tmp2) + : "+&a" (size), "+&a" (to), "+a" (tmp1), "=&a" (tmp2) : "a" (empty_zero_page), [spec] "K" (0x81UL) : "cc", "memory", "0"); return size; diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 8c9e41ff2a24..40fc1879a697 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -2316,6 +2316,7 @@ void kvm_apic_update_apicv(struct kvm_vcpu *vcpu) apic->irr_pending = (apic_search_irr(apic) != -1); apic->isr_count = count_vectors(apic->regs + APIC_ISR); } + apic->highest_isr_cache = -1; } EXPORT_SYMBOL_GPL(kvm_apic_update_apicv);

@@ -2368,7 +2369,6 @@ void kvm_lapic_reset(struct kvm_vcpu *vcpu, bool init_event) kvm_lapic_set_reg(apic, APIC_TMR + 0x10 * i, 0); } kvm_apic_update_apicv(vcpu); - apic->highest_isr_cache = -1; update_divide_count(apic); atomic_set(&apic->lapic_timer.pending, 0);

@@ -2638,7 +2638,6 @@ int kvm_apic_set_state(struct kvm_vcpu *vcpu, struct kvm_lapic_state *s) __start_apic_timer(apic, APIC_TMCCT); kvm_lapic_set_reg(apic, APIC_TMCCT, 0); kvm_apic_update_apicv(vcpu); - apic->highest_isr_cache = -1; if (vcpu->arch.apicv_active) { static_call(kvm_x86_apicv_post_state_restore)(vcpu); static_call(kvm_x86_hwapic_irr_update)(vcpu, @@ -2802,6 +2801,10 @@ int kvm_x2apic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data) /* if this is ICR write vector before command */ if (reg == APIC_ICR) kvm_lapic_reg_write(apic, APIC_ICR2, (u32)(data >> 32)); + else if (data >> 32) + /* Bits 63:32 are reserved in all other registers. */ + return 1; + return kvm_lapic_reg_write(apic, reg, (u32)data); }

@@ -2836,6 +2839,10 @@ int kvm_hv_vapic_msr_write(struct kvm_vcpu *vcpu, u32 reg, u64 data) /* if this is ICR write vector before command */ if (reg == APIC_ICR) kvm_lapic_reg_write(apic, APIC_ICR2, (u32)(data >> 32)); + else if (data >> 32) + /* Bits 63:32 are reserved in all other registers. */ + return 1; + return kvm_lapic_reg_write(apic, reg, (u32)data); }

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 9ce45554d637..c95c3675e8d5 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -7597,17 +7597,11 @@ static int vmx_pre_block(struct kvm_vcpu *vcpu) if (pi_pre_block(vcpu)) return 1;

- if (kvm_lapic_hv_timer_in_use(vcpu)) - kvm_lapic_switch_to_sw_timer(vcpu); - return 0; }

static void vmx_post_block(struct kvm_vcpu *vcpu) { - if (kvm_x86_ops.set_hv_timer) - kvm_lapic_switch_to_hv_timer(vcpu); - pi_post_block(vcpu); }

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 0622256cd768..5cb4af42ba64 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -10043,12 +10043,28 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)

static inline int vcpu_block(struct kvm *kvm, struct kvm_vcpu *vcpu) { + bool hv_timer; + if (!kvm_arch_vcpu_runnable(vcpu) && (!kvm_x86_ops.pre_block || static_call(kvm_x86_pre_block)(vcpu) == 0)) { + /* + * Switch to the software timer before halt-polling/blocking as + * the guest's timer may be a break event for the vCPU, and the + * hypervisor timer runs only when the CPU is in guest mode. + * Switch before halt-polling so that KVM recognizes an expired + * timer before blocking. + */ + hv_timer = kvm_lapic_hv_timer_in_use(vcpu); + if (hv_timer) + kvm_lapic_switch_to_sw_timer(vcpu); + srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); kvm_vcpu_block(vcpu); vcpu->srcu_idx = srcu_read_lock(&kvm->srcu);

+ if (hv_timer) + kvm_lapic_switch_to_hv_timer(vcpu); + if (kvm_x86_ops.post_block) static_call(kvm_x86_post_block)(vcpu);

@@ -10287,6 +10303,11 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) r = -EINTR; goto out; } + /* + * It should be impossible for the hypervisor timer to be in + * use before KVM has ever run the vCPU. + */ + WARN_ON_ONCE(kvm_lapic_hv_timer_in_use(vcpu)); kvm_vcpu_block(vcpu); if (kvm_apic_accept_events(vcpu) < 0) { r = 0; diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile index 4953260e281c..40b5779fce21 100644 --- a/arch/x86/xen/Makefile +++ b/arch/x86/xen/Makefile @@ -45,7 +45,7 @@ obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= spinlock.o

obj-$(CONFIG_XEN_DEBUG_FS) += debugfs.o

-obj-$(CONFIG_XEN_PV_DOM0) += vga.o +obj-$(CONFIG_XEN_DOM0) += vga.o

obj-$(CONFIG_SWIOTLB_XEN) += pci-swiotlb-xen.o

diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c index 561aad13412f..998db0257e2a 100644 --- a/arch/x86/xen/enlighten_pv.c +++ b/arch/x86/xen/enlighten_pv.c @@ -1353,7 +1353,8 @@ asmlinkage __visible void __init xen_start_kernel(void)

x86_platform.set_legacy_features = xen_dom0_set_legacy_features; - xen_init_vga(info, xen_start_info->console.dom0.info_size); + xen_init_vga(info, xen_start_info->console.dom0.info_size, + &boot_params.screen_info); xen_start_info->console.domU.mfn = 0; xen_start_info->console.domU.evtchn = 0;

diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c index bcae606bbc5c..ada3868c02c2 100644 --- a/arch/x86/xen/enlighten_pvh.c +++ b/arch/x86/xen/enlighten_pvh.c @@ -43,6 +43,19 @@ void __init xen_pvh_init(struct boot_params *boot_params) x86_init.oem.banner = xen_banner;

xen_efi_init(boot_params); + + if (xen_initial_domain()) { + struct xen_platform_op op = { + .cmd = XENPF_get_dom0_console, + }; + int ret = HYPERVISOR_platform_op(&op); + + if (ret > 0) + xen_init_vga(&op.u.dom0_console, + min(ret * sizeof(char), + sizeof(op.u.dom0_console)), + &boot_params->screen_info); + } }

void __init mem_map_via_hcall(struct boot_params *boot_params_p) diff --git a/arch/x86/xen/vga.c b/arch/x86/xen/vga.c index e336f223f7f4..93697109592c 100644 --- a/arch/x86/xen/vga.c +++ b/arch/x86/xen/vga.c @@ -9,10 +9,9 @@

#include "xen-ops.h"

-void __init xen_init_vga(const struct dom0_vga_console_info *info, size_t size) +void __init xen_init_vga(const struct dom0_vga_console_info *info, size_t size, + struct screen_info *screen_info) { - struct screen_info *screen_info = &boot_params.screen_info; - /* This is drawn from a dump from vgacon:startup in * standard Linux. */ screen_info->orig_video_mode = 3; diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h index 16aed4b12129..71f31032c635 100644 --- a/arch/x86/xen/xen-ops.h +++ b/arch/x86/xen/xen-ops.h @@ -110,11 +110,12 @@ static inline void xen_uninit_lock_cpu(int cpu)

struct dom0_vga_console_info;

-#ifdef CONFIG_XEN_PV_DOM0 -void __init xen_init_vga(const struct dom0_vga_console_info *, size_t size); +#ifdef CONFIG_XEN_DOM0 +void __init xen_init_vga(const struct dom0_vga_console_info *, size_t size, + struct screen_info *); #else static inline void __init xen_init_vga(const struct dom0_vga_console_info *info, - size_t size) + size_t size, struct screen_info *si) { } #endif diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c index 904086ad5682..5624a64ff7e9 100644 --- a/arch/xtensa/kernel/traps.c +++ b/arch/xtensa/kernel/traps.c @@ -510,7 +510,7 @@ static size_t kstack_depth_to_print = CONFIG_PRINT_STACK_DEPTH;

void show_stack(struct task_struct *task, unsigned long *sp, const char *loglvl) { - size_t len; + size_t len, off = 0;

if (!sp) sp = stack_pointer(task); @@ -519,9 +519,17 @@ void show_stack(struct task_struct *task, unsigned long *sp, const char *loglvl) kstack_depth_to_print * STACK_DUMP_ENTRY_SIZE);

printk("%sStack:\n", loglvl); - print_hex_dump(loglvl, " ", DUMP_PREFIX_NONE, - STACK_DUMP_LINE_SIZE, STACK_DUMP_ENTRY_SIZE, - sp, len, false); + while (off < len) { + u8 line[STACK_DUMP_LINE_SIZE]; + size_t line_len = len - off > STACK_DUMP_LINE_SIZE ? + STACK_DUMP_LINE_SIZE : len - off; + + __memcpy(line, (u8 *)sp + off, line_len); + print_hex_dump(loglvl, " ", DUMP_PREFIX_NONE, + STACK_DUMP_LINE_SIZE, STACK_DUMP_ENTRY_SIZE, + line, line_len, false); + off += STACK_DUMP_LINE_SIZE; + } show_trace(task, sp, loglvl); }

diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 07cf7a35ae50..c96bdb3e7ac5 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -736,6 +736,10 @@ static int loop_change_fd(struct loop_device *lo, struct block_device *bdev,

if (!file) return -EBADF; + + /* suppress uevents while reconfiguring the device */ + dev_set_uevent_suppress(disk_to_dev(lo->lo_disk), 1); + is_loop = is_loop_device(file); error = loop_global_lock_killable(lo, is_loop); if (error) @@ -790,13 +794,18 @@ static int loop_change_fd(struct loop_device *lo, struct block_device *bdev, fput(old_file); if (partscan) loop_reread_partitions(lo); - return 0; + + error = 0; +done: + /* enable and uncork uevent now that we are done */ + dev_set_uevent_suppress(disk_to_dev(lo->lo_disk), 0); + return error;

out_err: loop_global_unlock(lo, is_loop); out_putf: fput(file); - return error; + goto done; }

/* loop sysfs attributes */ @@ -1256,6 +1265,9 @@ static int loop_configure(struct loop_device *lo, fmode_t mode, goto out_unlock; }

+ /* suppress uevents while reconfiguring the device */ + dev_set_uevent_suppress(disk_to_dev(lo->lo_disk), 1); + disk_force_media_change(lo->lo_disk, DISK_EVENT_MEDIA_CHANGE); set_disk_ro(lo->lo_disk, (lo->lo_flags & LO_FLAGS_READ_ONLY) != 0);

@@ -1304,11 +1316,16 @@ static int loop_configure(struct loop_device *lo, fmode_t mode, if (partscan) lo->lo_disk->flags &= ~GENHD_FL_NO_PART_SCAN;

+ /* enable and uncork uevent now that we are done */ + dev_set_uevent_suppress(disk_to_dev(lo->lo_disk), 0); + loop_global_unlock(lo, is_loop); if (partscan) loop_reread_partitions(lo); + if (!(mode & FMODE_EXCL)) bd_abort_claiming(bdev, loop_configure); + return 0;

out_unlock: diff --git a/drivers/bus/imx-weim.c b/drivers/bus/imx-weim.c index 28bb65a5613f..201767823edb 100644 --- a/drivers/bus/imx-weim.c +++ b/drivers/bus/imx-weim.c @@ -192,8 +192,8 @@ static int weim_parse_dt(struct platform_device *pdev, void __iomem *base) const struct of_device_id *of_id = of_match_device(weim_id_table, &pdev->dev); const struct imx_weim_devtype *devtype = of_id->data; + int ret = 0, have_child = 0; struct device_node *child; - int ret, have_child = 0; struct cs_timing_state ts = {}; u32 reg;

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index bc02e3e0d17d..7a3fee71a867 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -184,6 +184,21 @@ static bool needs_dsc_aux_workaround(struct dc_link *link) return false; }

+bool is_synaptics_cascaded_panamera(struct dc_link *link, struct drm_dp_mst_port *port) +{ + u8 branch_vendor_data[4] = { 0 }; // Vendor data 0x50C ~ 0x50F + + if (drm_dp_dpcd_read(port->mgr->aux, DP_BRANCH_VENDOR_SPECIFIC_START, &branch_vendor_data, 4) == 4) { + if (link->dpcd_caps.branch_dev_id == DP_BRANCH_DEVICE_ID_90CC24 && + IS_SYNAPTICS_CASCADED_PANAMERA(link->dpcd_caps.branch_dev_name, branch_vendor_data)) { + DRM_INFO("Synaptics Cascaded MST hub\n"); + return true; + } + } + + return false; +} + static bool validate_dsc_caps_on_connector(struct amdgpu_dm_connector *aconnector) { struct dc_sink *dc_sink = aconnector->dc_sink; @@ -207,6 +222,10 @@ static bool validate_dsc_caps_on_connector(struct amdgpu_dm_connector *aconnecto needs_dsc_aux_workaround(aconnector->dc_link)) aconnector->dsc_aux = &aconnector->mst_port->dm_dp_aux.aux;

+ /* synaptics cascaded MST hub case */ + if (!aconnector->dsc_aux && is_synaptics_cascaded_panamera(aconnector->dc_link, port)) + aconnector->dsc_aux = port->mgr->aux; + if (!aconnector->dsc_aux) return false;

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h index 900d3f7a8498..f7523fd23f54 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h @@ -26,6 +26,18 @@ #ifndef __DAL_AMDGPU_DM_MST_TYPES_H__ #define __DAL_AMDGPU_DM_MST_TYPES_H__

+#define DP_BRANCH_VENDOR_SPECIFIC_START 0x50C + +/** + * Panamera MST Hub detection + * Offset DPCD 050Eh == 0x5A indicates cascaded MST hub case + * Check from beginning of branch device vendor specific field (050Ch) + */ +#define IS_SYNAPTICS_PANAMERA(branchDevName) (((int)branchDevName[4] & 0xF0) == 0x50 ? 1 : 0) +#define BRANCH_HW_REVISION_PANAMERA_A2 0x10 +#define SYNAPTICS_CASCADED_HUB_ID 0x5A +#define IS_SYNAPTICS_CASCADED_PANAMERA(devName, data) ((IS_SYNAPTICS_PANAMERA(devName) && ((int)data[2] == SYNAPTICS_CASCADED_HUB_ID)) ? 1 : 0) + struct amdgpu_display_manager; struct amdgpu_dm_connector;

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c index 6d8bed9c739d..aa7227bfb5c5 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c @@ -88,7 +88,15 @@ static void *etnaviv_gem_prime_vmap_impl(struct etnaviv_gem_object *etnaviv_obj) static int etnaviv_gem_prime_mmap_obj(struct etnaviv_gem_object *etnaviv_obj, struct vm_area_struct *vma) { - return dma_buf_mmap(etnaviv_obj->base.dma_buf, vma, 0); + int ret; + + ret = dma_buf_mmap(etnaviv_obj->base.dma_buf, vma, 0); + if (!ret) { + /* Drop the reference acquired by drm_gem_mmap_obj(). */ + drm_gem_object_put(&etnaviv_obj->base); + } + + return ret; }

static const struct etnaviv_gem_ops etnaviv_gem_prime_ops = { diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c index 0e885440be24..1b5b4d252d5b 100644 --- a/drivers/gpu/drm/i915/display/intel_tc.c +++ b/drivers/gpu/drm/i915/display/intel_tc.c @@ -386,9 +386,9 @@ static bool icl_tc_phy_is_owned(struct intel_digital_port *dig_port) PORT_TX_DFLEXDPCSSS(dig_port->tc_phy_fia)); if (val == 0xffffffff) { drm_dbg_kms(&i915->drm, - "Port %s: PHY in TCCOLD, assume safe mode\n", + "Port %s: PHY in TCCOLD, assume not owned\n", dig_port->tc_port_name); - return true; + return false; }

return val & DP_PHY_MODE_STATUS_NOT_SAFE(dig_port->tc_phy_fia_idx); diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 4a6b33bbe7ea..dd08ce97e7c9 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -852,8 +852,8 @@ static void alps_process_packet_v6(struct psmouse *psmouse) x = y = z = 0;

/* Divide 4 since trackpoint's speed is too fast */ - input_report_rel(dev2, REL_X, (char)x / 4); - input_report_rel(dev2, REL_Y, -((char)y / 4)); + input_report_rel(dev2, REL_X, (s8)x / 4); + input_report_rel(dev2, REL_Y, -((s8)y / 4));

psmouse_report_standard_buttons(dev2, packet[3]);

@@ -1104,8 +1104,8 @@ static void alps_process_trackstick_packet_v7(struct psmouse *psmouse) ((packet[3] & 0x20) << 1); z = (packet[5] & 0x3f) | ((packet[3] & 0x80) >> 1);

- input_report_rel(dev2, REL_X, (char)x); - input_report_rel(dev2, REL_Y, -((char)y)); + input_report_rel(dev2, REL_X, (s8)x); + input_report_rel(dev2, REL_Y, -((s8)y)); input_report_abs(dev2, ABS_PRESSURE, z);

psmouse_report_standard_buttons(dev2, packet[1]); @@ -2294,20 +2294,20 @@ static int alps_get_v3_v7_resolution(struct psmouse *psmouse, int reg_pitch) if (reg < 0) return reg;

- x_pitch = (char)(reg << 4) >> 4; /* sign extend lower 4 bits */ + x_pitch = (s8)(reg << 4) >> 4; /* sign extend lower 4 bits */ x_pitch = 50 + 2 * x_pitch; /* In 0.1 mm units */

- y_pitch = (char)reg >> 4; /* sign extend upper 4 bits */ + y_pitch = (s8)reg >> 4; /* sign extend upper 4 bits */ y_pitch = 36 + 2 * y_pitch; /* In 0.1 mm units */

reg = alps_command_mode_read_reg(psmouse, reg_pitch + 1); if (reg < 0) return reg;

- x_electrode = (char)(reg << 4) >> 4; /* sign extend lower 4 bits */ + x_electrode = (s8)(reg << 4) >> 4; /* sign extend lower 4 bits */ x_electrode = 17 + x_electrode;

- y_electrode = (char)reg >> 4; /* sign extend upper 4 bits */ + y_electrode = (s8)reg >> 4; /* sign extend upper 4 bits */ y_electrode = 13 + y_electrode;

x_phys = x_pitch * (x_electrode - 1); /* In 0.1 mm units */ diff --git a/drivers/input/mouse/focaltech.c b/drivers/input/mouse/focaltech.c index 6fd5fff0cbff..c74b99077d16 100644 --- a/drivers/input/mouse/focaltech.c +++ b/drivers/input/mouse/focaltech.c @@ -202,8 +202,8 @@ static void focaltech_process_rel_packet(struct psmouse *psmouse, state->pressed = packet[0] >> 7; finger1 = ((packet[0] >> 4) & 0x7) - 1; if (finger1 < FOC_MAX_FINGERS) { - state->fingers[finger1].x += (char)packet[1]; - state->fingers[finger1].y += (char)packet[2]; + state->fingers[finger1].x += (s8)packet[1]; + state->fingers[finger1].y += (s8)packet[2]; } else { psmouse_err(psmouse, "First finger in rel packet invalid: %d\n", finger1); @@ -218,8 +218,8 @@ static void focaltech_process_rel_packet(struct psmouse *psmouse, */ finger2 = ((packet[3] >> 4) & 0x7) - 1; if (finger2 < FOC_MAX_FINGERS) { - state->fingers[finger2].x += (char)packet[4]; - state->fingers[finger2].y += (char)packet[5]; + state->fingers[finger2].x += (s8)packet[4]; + state->fingers[finger2].y += (s8)packet[5]; } }

diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index 0b513fcd51d1..166d36b2626e 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -123,10 +123,18 @@ static const unsigned long goodix_irq_flags[] = { static const struct dmi_system_id nine_bytes_report[] = { #if defined(CONFIG_DMI) && defined(CONFIG_X86) { - .ident = "Lenovo YogaBook", - /* YB1-X91L/F and YB1-X90L/F */ + /* Lenovo Yoga Book X90F / X90L */ .matches = { - DMI_MATCH(DMI_PRODUCT_NAME, "Lenovo YB1-X9") + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "CHERRYVIEW D1 PLATFORM"), + DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "YETI-11"), + } + }, + { + /* Lenovo Yoga Book X91F / X91L */ + .matches = { + /* Non exact match to match F + L versions */ + DMI_MATCH(DMI_PRODUCT_NAME, "Lenovo YB1-X91"), } }, #endif diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c index bff2420fc3e1..7c20083d4a79 100644 --- a/drivers/iommu/intel/dmar.c +++ b/drivers/iommu/intel/dmar.c @@ -1080,7 +1080,8 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) }

err = -EINVAL; - if (cap_sagaw(iommu->cap) == 0) { + if (!cap_sagaw(iommu->cap) && + (!ecap_smts(iommu->ecap) || ecap_slts(iommu->ecap))) { pr_info("%s: No supported address widths. Not attempting DMA translation.\n", iommu->name); drhd->ignored = 1; diff --git a/drivers/md/md.c b/drivers/md/md.c index 9e54b865f30d..bd0c9dfac981 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -3189,6 +3189,9 @@ slot_store(struct md_rdev *rdev, const char *buf, size_t len) err = kstrtouint(buf, 10, (unsigned int *)&slot); if (err < 0) return err; + if (slot < 0) + /* overflow */ + return -ENOSPC; } if (rdev->mddev->pers && slot == -1) { /* Setting 'slot' on an active array requires also diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c index b97adeee4cc1..4fd20e70aabd 100644 --- a/drivers/mtd/nand/raw/meson_nand.c +++ b/drivers/mtd/nand/raw/meson_nand.c @@ -172,6 +172,7 @@ struct meson_nfc {

dma_addr_t daddr; dma_addr_t iaddr; + u32 info_bytes;

unsigned long assigned_cs; }; @@ -499,6 +500,7 @@ static int meson_nfc_dma_buffer_setup(struct nand_chip *nand, void *databuf, nfc->daddr, datalen, dir); return ret; } + nfc->info_bytes = infolen; cmd = GENCMDIADDRL(NFC_CMD_AIL, nfc->iaddr); writel(cmd, nfc->reg_base + NFC_REG_CMD);

@@ -516,8 +518,10 @@ static void meson_nfc_dma_buffer_release(struct nand_chip *nand, struct meson_nfc *nfc = nand_get_controller_data(nand);

dma_unmap_single(nfc->dev, nfc->daddr, datalen, dir); - if (infolen) + if (infolen) { dma_unmap_single(nfc->dev, nfc->iaddr, infolen, dir); + nfc->info_bytes = 0; + } }

static int meson_nfc_read_buf(struct nand_chip *nand, u8 *buf, int len) @@ -706,6 +710,8 @@ static void meson_nfc_check_ecc_pages_valid(struct meson_nfc *nfc, usleep_range(10, 15); /* info is updated by nfc dma engine*/ smp_rmb(); + dma_sync_single_for_cpu(nfc->dev, nfc->iaddr, nfc->info_bytes, + DMA_FROM_DEVICE); ret = *info & ECC_COMPLETE; } while (!ret); } diff --git a/drivers/net/dsa/microchip/ksz8863_smi.c b/drivers/net/dsa/microchip/ksz8863_smi.c index 5883fa7edda2..54f3e033abbf 100644 --- a/drivers/net/dsa/microchip/ksz8863_smi.c +++ b/drivers/net/dsa/microchip/ksz8863_smi.c @@ -86,22 +86,16 @@ static const struct regmap_bus regmap_smi[] = { { .read = ksz8863_mdio_read, .write = ksz8863_mdio_write, - .max_raw_read = 1, - .max_raw_write = 1, }, { .read = ksz8863_mdio_read, .write = ksz8863_mdio_write, .val_format_endian_default = REGMAP_ENDIAN_BIG, - .max_raw_read = 2, - .max_raw_write = 2, }, { .read = ksz8863_mdio_read, .write = ksz8863_mdio_write, .val_format_endian_default = REGMAP_ENDIAN_BIG, - .max_raw_read = 4, - .max_raw_write = 4, } };

@@ -112,7 +106,6 @@ static const struct regmap_config ksz8863_regmap_config[] = { .pad_bits = 24, .val_bits = 8, .cache_type = REGCACHE_NONE, - .use_single_read = 1, .lock = ksz_regmap_lock, .unlock = ksz_regmap_unlock, }, @@ -122,7 +115,6 @@ static const struct regmap_config ksz8863_regmap_config[] = { .pad_bits = 24, .val_bits = 16, .cache_type = REGCACHE_NONE, - .use_single_read = 1, .lock = ksz_regmap_lock, .unlock = ksz_regmap_unlock, }, @@ -132,7 +124,6 @@ static const struct regmap_config ksz8863_regmap_config[] = { .pad_bits = 24, .val_bits = 32, .cache_type = REGCACHE_NONE, - .use_single_read = 1, .lock = ksz_regmap_lock, .unlock = ksz_regmap_unlock, } diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 99c4e45c62e3..8a030dc0b8a3 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -2912,9 +2912,14 @@ static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port) * If this is the upstream port for this switch, enable * forwarding of unknown unicasts and multicasts. */ - reg = MV88E6XXX_PORT_CTL0_IGMP_MLD_SNOOP | - MV88E6185_PORT_CTL0_USE_TAG | MV88E6185_PORT_CTL0_USE_IP | + reg = MV88E6185_PORT_CTL0_USE_TAG | MV88E6185_PORT_CTL0_USE_IP | MV88E6XXX_PORT_CTL0_STATE_FORWARDING; + /* Forward any IPv4 IGMP or IPv6 MLD frames received + * by a USER port to the CPU port to allow snooping. + */ + if (dsa_is_user_port(ds, port)) + reg |= MV88E6XXX_PORT_CTL0_IGMP_MLD_SNOOP; + err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg); if (err) return err; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 4e98e34fc46b..4ef90e0cb8f8 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -223,12 +223,12 @@ static const struct pci_device_id bnxt_pci_tbl[] = { { PCI_VDEVICE(BROADCOM, 0x1750), .driver_data = BCM57508 }, { PCI_VDEVICE(BROADCOM, 0x1751), .driver_data = BCM57504 }, { PCI_VDEVICE(BROADCOM, 0x1752), .driver_data = BCM57502 }, - { PCI_VDEVICE(BROADCOM, 0x1800), .driver_data = BCM57508_NPAR }, + { PCI_VDEVICE(BROADCOM, 0x1800), .driver_data = BCM57502_NPAR }, { PCI_VDEVICE(BROADCOM, 0x1801), .driver_data = BCM57504_NPAR }, - { PCI_VDEVICE(BROADCOM, 0x1802), .driver_data = BCM57502_NPAR }, - { PCI_VDEVICE(BROADCOM, 0x1803), .driver_data = BCM57508_NPAR }, + { PCI_VDEVICE(BROADCOM, 0x1802), .driver_data = BCM57508_NPAR }, + { PCI_VDEVICE(BROADCOM, 0x1803), .driver_data = BCM57502_NPAR }, { PCI_VDEVICE(BROADCOM, 0x1804), .driver_data = BCM57504_NPAR }, - { PCI_VDEVICE(BROADCOM, 0x1805), .driver_data = BCM57502_NPAR }, + { PCI_VDEVICE(BROADCOM, 0x1805), .driver_data = BCM57508_NPAR }, { PCI_VDEVICE(BROADCOM, 0xd802), .driver_data = BCM58802 }, { PCI_VDEVICE(BROADCOM, 0xd804), .driver_data = BCM58804 }, #ifdef CONFIG_BNXT_SRIOV diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index e5874c829226..ae4695fc067d 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -1202,6 +1202,7 @@ struct bnxt_link_info { #define BNXT_LINK_SPEED_40GB PORT_PHY_QCFG_RESP_LINK_SPEED_40GB #define BNXT_LINK_SPEED_50GB PORT_PHY_QCFG_RESP_LINK_SPEED_50GB #define BNXT_LINK_SPEED_100GB PORT_PHY_QCFG_RESP_LINK_SPEED_100GB +#define BNXT_LINK_SPEED_200GB PORT_PHY_QCFG_RESP_LINK_SPEED_200GB u16 support_speeds; u16 support_pam4_speeds; u16 auto_link_speeds; /* fw adv setting */ diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 586311a271f2..bc9812a0a91c 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -1670,6 +1670,8 @@ u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed) return SPEED_50000; case BNXT_LINK_SPEED_100GB: return SPEED_100000; + case BNXT_LINK_SPEED_200GB: + return SPEED_200000; default: return SPEED_UNKNOWN; } @@ -3504,6 +3506,7 @@ static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest, bnxt_ulp_stop(bp); rc = bnxt_close_nic(bp, true, false); if (rc) { + etest->flags |= ETH_TEST_FL_FAILED; bnxt_ulp_start(bp, rc); return; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_diag.c b/drivers/net/ethernet/intel/i40e/i40e_diag.c index ef4d3762bf37..ca229b0efeb6 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_diag.c +++ b/drivers/net/ethernet/intel/i40e/i40e_diag.c @@ -44,7 +44,7 @@ static i40e_status i40e_diag_reg_pattern_test(struct i40e_hw *hw, return 0; }

-struct i40e_diag_reg_test_info i40e_reg_list[] = { +const struct i40e_diag_reg_test_info i40e_reg_list[] = { /* offset mask elements stride */ {I40E_QTX_CTL(0), 0x0000FFBF, 1, I40E_QTX_CTL(1) - I40E_QTX_CTL(0)}, @@ -78,27 +78,28 @@ i40e_status i40e_diag_reg_test(struct i40e_hw *hw) { i40e_status ret_code = 0; u32 reg, mask; + u32 elements; u32 i, j;

for (i = 0; i40e_reg_list[i].offset != 0 && !ret_code; i++) {

+ elements = i40e_reg_list[i].elements; /* set actual reg range for dynamically allocated resources */ if (i40e_reg_list[i].offset == I40E_QTX_CTL(0) && hw->func_caps.num_tx_qp != 0) - i40e_reg_list[i].elements = hw->func_caps.num_tx_qp; + elements = hw->func_caps.num_tx_qp; if ((i40e_reg_list[i].offset == I40E_PFINT_ITRN(0, 0) || i40e_reg_list[i].offset == I40E_PFINT_ITRN(1, 0) || i40e_reg_list[i].offset == I40E_PFINT_ITRN(2, 0) || i40e_reg_list[i].offset == I40E_QINT_TQCTL(0) || i40e_reg_list[i].offset == I40E_QINT_RQCTL(0)) && hw->func_caps.num_msix_vectors != 0) - i40e_reg_list[i].elements = - hw->func_caps.num_msix_vectors - 1; + elements = hw->func_caps.num_msix_vectors - 1;

/* test register access */ mask = i40e_reg_list[i].mask; - for (j = 0; j < i40e_reg_list[i].elements && !ret_code; j++) { + for (j = 0; j < elements && !ret_code; j++) { reg = i40e_reg_list[i].offset + (j * i40e_reg_list[i].stride); ret_code = i40e_diag_reg_pattern_test(hw, reg, mask); diff --git a/drivers/net/ethernet/intel/i40e/i40e_diag.h b/drivers/net/ethernet/intel/i40e/i40e_diag.h index c3340f320a18..1db7c6d57231 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_diag.h +++ b/drivers/net/ethernet/intel/i40e/i40e_diag.h @@ -20,7 +20,7 @@ struct i40e_diag_reg_test_info { u32 stride; /* bytes between each element */ };

-extern struct i40e_diag_reg_test_info i40e_reg_list[]; +extern const struct i40e_diag_reg_test_info i40e_reg_list[];

i40e_status i40e_diag_reg_test(struct i40e_hw *hw); i40e_status i40e_diag_eeprom_test(struct i40e_hw *hw); diff --git a/drivers/net/ethernet/intel/ice/ice_sched.c b/drivers/net/ethernet/intel/ice/ice_sched.c index 2d9b10277186..0b61fde44915 100644 --- a/drivers/net/ethernet/intel/ice/ice_sched.c +++ b/drivers/net/ethernet/intel/ice/ice_sched.c @@ -2758,7 +2758,7 @@ static enum ice_status ice_sched_assoc_vsi_to_agg(struct ice_port_info *pi, u32 agg_id, u16 vsi_handle, unsigned long *tc_bitmap) { - struct ice_sched_agg_vsi_info *agg_vsi_info, *old_agg_vsi_info = NULL; + struct ice_sched_agg_vsi_info *agg_vsi_info, *iter, *old_agg_vsi_info = NULL; struct ice_sched_agg_info *agg_info, *old_agg_info; enum ice_status status = 0; struct ice_hw *hw = pi->hw; @@ -2776,11 +2776,13 @@ ice_sched_assoc_vsi_to_agg(struct ice_port_info *pi, u32 agg_id, if (old_agg_info && old_agg_info != agg_info) { struct ice_sched_agg_vsi_info *vtmp;

- list_for_each_entry_safe(old_agg_vsi_info, vtmp, + list_for_each_entry_safe(iter, vtmp, &old_agg_info->agg_vsi_list, list_entry) - if (old_agg_vsi_info->vsi_handle == vsi_handle) + if (iter->vsi_handle == vsi_handle) { + old_agg_vsi_info = iter; break; + } }

/* check if entry already exist */ diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c index eee180d8c024..4b738f739109 100644 --- a/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c @@ -731,6 +731,72 @@ static void ice_vc_fdir_rem_prof_all(struct ice_vf *vf) } }

+/** + * ice_vc_fdir_has_prof_conflict + * @vf: pointer to the VF structure + * @conf: FDIR configuration for each filter + * + * Check if @conf has conflicting profile with existing profiles + * + * Return: true on success, and false on error. + */ +static bool +ice_vc_fdir_has_prof_conflict(struct ice_vf *vf, + struct virtchnl_fdir_fltr_conf *conf) +{ + struct ice_fdir_fltr *desc; + + list_for_each_entry(desc, &vf->fdir.fdir_rule_list, fltr_node) { + struct virtchnl_fdir_fltr_conf *existing_conf; + enum ice_fltr_ptype flow_type_a, flow_type_b; + struct ice_fdir_fltr *a, *b; + + existing_conf = to_fltr_conf_from_desc(desc); + a = &existing_conf->input; + b = &conf->input; + flow_type_a = a->flow_type; + flow_type_b = b->flow_type; + + /* No need to compare two rules with different tunnel types or + * with the same protocol type. + */ + if (existing_conf->ttype != conf->ttype || + flow_type_a == flow_type_b) + continue; + + switch (flow_type_a) { + case ICE_FLTR_PTYPE_NONF_IPV4_UDP: + case ICE_FLTR_PTYPE_NONF_IPV4_TCP: + case ICE_FLTR_PTYPE_NONF_IPV4_SCTP: + if (flow_type_b == ICE_FLTR_PTYPE_NONF_IPV4_OTHER) + return true; + break; + case ICE_FLTR_PTYPE_NONF_IPV4_OTHER: + if (flow_type_b == ICE_FLTR_PTYPE_NONF_IPV4_UDP || + flow_type_b == ICE_FLTR_PTYPE_NONF_IPV4_TCP || + flow_type_b == ICE_FLTR_PTYPE_NONF_IPV4_SCTP) + return true; + break; + case ICE_FLTR_PTYPE_NONF_IPV6_UDP: + case ICE_FLTR_PTYPE_NONF_IPV6_TCP: + case ICE_FLTR_PTYPE_NONF_IPV6_SCTP: + if (flow_type_b == ICE_FLTR_PTYPE_NONF_IPV6_OTHER) + return true; + break; + case ICE_FLTR_PTYPE_NONF_IPV6_OTHER: + if (flow_type_b == ICE_FLTR_PTYPE_NONF_IPV6_UDP || + flow_type_b == ICE_FLTR_PTYPE_NONF_IPV6_TCP || + flow_type_b == ICE_FLTR_PTYPE_NONF_IPV6_SCTP) + return true; + break; + default: + break; + } + } + + return false; +} + /** * ice_vc_fdir_write_flow_prof * @vf: pointer to the VF structure @@ -871,6 +937,13 @@ ice_vc_fdir_config_input_set(struct ice_vf *vf, struct virtchnl_fdir_add *fltr, enum ice_fltr_ptype flow; int ret;

+ ret = ice_vc_fdir_has_prof_conflict(vf, conf); + if (ret) { + dev_dbg(dev, "Found flow profile conflict for VF %d\n", + vf->vf_id); + return ret; + } + flow = input->flow_type; ret = ice_vc_fdir_alloc_prof(vf, flow); if (ret) { diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c index 41d935d1aaf6..40aeaa7bd739 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c @@ -62,35 +62,38 @@ static const struct mvpp2_cls_flow cls_flows[MVPP2_N_PRS_FLOWS] = { MVPP2_DEF_FLOW(MVPP22_FLOW_TCP4, MVPP2_FL_IP4_TCP_FRAG_UNTAG, MVPP22_CLS_HEK_IP4_2T, MVPP2_PRS_RI_VLAN_NONE | MVPP2_PRS_RI_L3_IP4 | - MVPP2_PRS_RI_L4_TCP, + MVPP2_PRS_RI_IP_FRAG_TRUE | MVPP2_PRS_RI_L4_TCP, MVPP2_PRS_IP_MASK | MVPP2_PRS_RI_VLAN_MASK),

MVPP2_DEF_FLOW(MVPP22_FLOW_TCP4, MVPP2_FL_IP4_TCP_FRAG_UNTAG, MVPP22_CLS_HEK_IP4_2T, MVPP2_PRS_RI_VLAN_NONE | MVPP2_PRS_RI_L3_IP4_OPT | - MVPP2_PRS_RI_L4_TCP, + MVPP2_PRS_RI_IP_FRAG_TRUE | MVPP2_PRS_RI_L4_TCP, MVPP2_PRS_IP_MASK | MVPP2_PRS_RI_VLAN_MASK),

MVPP2_DEF_FLOW(MVPP22_FLOW_TCP4, MVPP2_FL_IP4_TCP_FRAG_UNTAG, MVPP22_CLS_HEK_IP4_2T, MVPP2_PRS_RI_VLAN_NONE | MVPP2_PRS_RI_L3_IP4_OTHER | - MVPP2_PRS_RI_L4_TCP, + MVPP2_PRS_RI_IP_FRAG_TRUE | MVPP2_PRS_RI_L4_TCP, MVPP2_PRS_IP_MASK | MVPP2_PRS_RI_VLAN_MASK),

/* TCP over IPv4 flows, fragmented, with vlan tag */ MVPP2_DEF_FLOW(MVPP22_FLOW_TCP4, MVPP2_FL_IP4_TCP_FRAG_TAG, MVPP22_CLS_HEK_IP4_2T | MVPP22_CLS_HEK_TAGGED, - MVPP2_PRS_RI_L3_IP4 | MVPP2_PRS_RI_L4_TCP, + MVPP2_PRS_RI_L3_IP4 | MVPP2_PRS_RI_IP_FRAG_TRUE | + MVPP2_PRS_RI_L4_TCP, MVPP2_PRS_IP_MASK),

MVPP2_DEF_FLOW(MVPP22_FLOW_TCP4, MVPP2_FL_IP4_TCP_FRAG_TAG, MVPP22_CLS_HEK_IP4_2T | MVPP22_CLS_HEK_TAGGED, - MVPP2_PRS_RI_L3_IP4_OPT | MVPP2_PRS_RI_L4_TCP, + MVPP2_PRS_RI_L3_IP4_OPT | MVPP2_PRS_RI_IP_FRAG_TRUE | + MVPP2_PRS_RI_L4_TCP, MVPP2_PRS_IP_MASK),

MVPP2_DEF_FLOW(MVPP22_FLOW_TCP4, MVPP2_FL_IP4_TCP_FRAG_TAG, MVPP22_CLS_HEK_IP4_2T | MVPP22_CLS_HEK_TAGGED, - MVPP2_PRS_RI_L3_IP4_OTHER | MVPP2_PRS_RI_L4_TCP, + MVPP2_PRS_RI_L3_IP4_OTHER | MVPP2_PRS_RI_IP_FRAG_TRUE | + MVPP2_PRS_RI_L4_TCP, MVPP2_PRS_IP_MASK),

/* UDP over IPv4 flows, Not fragmented, no vlan tag */ @@ -132,35 +135,38 @@ static const struct mvpp2_cls_flow cls_flows[MVPP2_N_PRS_FLOWS] = { MVPP2_DEF_FLOW(MVPP22_FLOW_UDP4, MVPP2_FL_IP4_UDP_FRAG_UNTAG, MVPP22_CLS_HEK_IP4_2T, MVPP2_PRS_RI_VLAN_NONE | MVPP2_PRS_RI_L3_IP4 | - MVPP2_PRS_RI_L4_UDP, + MVPP2_PRS_RI_IP_FRAG_TRUE | MVPP2_PRS_RI_L4_UDP, MVPP2_PRS_IP_MASK | MVPP2_PRS_RI_VLAN_MASK),

MVPP2_DEF_FLOW(MVPP22_FLOW_UDP4, MVPP2_FL_IP4_UDP_FRAG_UNTAG, MVPP22_CLS_HEK_IP4_2T, MVPP2_PRS_RI_VLAN_NONE | MVPP2_PRS_RI_L3_IP4_OPT | - MVPP2_PRS_RI_L4_UDP, + MVPP2_PRS_RI_IP_FRAG_TRUE | MVPP2_PRS_RI_L4_UDP, MVPP2_PRS_IP_MASK | MVPP2_PRS_RI_VLAN_MASK),

MVPP2_DEF_FLOW(MVPP22_FLOW_UDP4, MVPP2_FL_IP4_UDP_FRAG_UNTAG, MVPP22_CLS_HEK_IP4_2T, MVPP2_PRS_RI_VLAN_NONE | MVPP2_PRS_RI_L3_IP4_OTHER | - MVPP2_PRS_RI_L4_UDP, + MVPP2_PRS_RI_IP_FRAG_TRUE | MVPP2_PRS_RI_L4_UDP, MVPP2_PRS_IP_MASK | MVPP2_PRS_RI_VLAN_MASK),

/* UDP over IPv4 flows, fragmented, with vlan tag */ MVPP2_DEF_FLOW(MVPP22_FLOW_UDP4, MVPP2_FL_IP4_UDP_FRAG_TAG, MVPP22_CLS_HEK_IP4_2T | MVPP22_CLS_HEK_TAGGED, - MVPP2_PRS_RI_L3_IP4 | MVPP2_PRS_RI_L4_UDP, + MVPP2_PRS_RI_L3_IP4 | MVPP2_PRS_RI_IP_FRAG_TRUE | + MVPP2_PRS_RI_L4_UDP, MVPP2_PRS_IP_MASK),

MVPP2_DEF_FLOW(MVPP22_FLOW_UDP4, MVPP2_FL_IP4_UDP_FRAG_TAG, MVPP22_CLS_HEK_IP4_2T | MVPP22_CLS_HEK_TAGGED, - MVPP2_PRS_RI_L3_IP4_OPT | MVPP2_PRS_RI_L4_UDP, + MVPP2_PRS_RI_L3_IP4_OPT | MVPP2_PRS_RI_IP_FRAG_TRUE | + MVPP2_PRS_RI_L4_UDP, MVPP2_PRS_IP_MASK),

MVPP2_DEF_FLOW(MVPP22_FLOW_UDP4, MVPP2_FL_IP4_UDP_FRAG_TAG, MVPP22_CLS_HEK_IP4_2T | MVPP22_CLS_HEK_TAGGED, - MVPP2_PRS_RI_L3_IP4_OTHER | MVPP2_PRS_RI_L4_UDP, + MVPP2_PRS_RI_L3_IP4_OTHER | MVPP2_PRS_RI_IP_FRAG_TRUE | + MVPP2_PRS_RI_L4_UDP, MVPP2_PRS_IP_MASK),

/* TCP over IPv6 flows, not fragmented, no vlan tag */ diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c index 93575800ca92..a8188b972ccb 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c @@ -1539,8 +1539,8 @@ static int mvpp2_prs_vlan_init(struct platform_device *pdev, struct mvpp2 *priv) if (!priv->prs_double_vlans) return -ENOMEM;

- /* Double VLAN: 0x8100, 0x88A8 */ - err = mvpp2_prs_double_vlan_add(priv, ETH_P_8021Q, ETH_P_8021AD, + /* Double VLAN: 0x88A8, 0x8100 */ + err = mvpp2_prs_double_vlan_add(priv, ETH_P_8021AD, ETH_P_8021Q, MVPP2_PRS_PORT_MASK); if (err) return err; @@ -1607,59 +1607,45 @@ static int mvpp2_prs_vlan_init(struct platform_device *pdev, struct mvpp2 *priv) static int mvpp2_prs_pppoe_init(struct mvpp2 *priv) { struct mvpp2_prs_entry pe; - int tid; - - /* IPv4 over PPPoE with options */ - tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID, - MVPP2_PE_LAST_FREE_TID); - if (tid < 0) - return tid; - - memset(&pe, 0, sizeof(pe)); - mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_PPPOE); - pe.index = tid; - - mvpp2_prs_match_etype(&pe, 0, PPP_IP); - - mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP4); - mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4_OPT, - MVPP2_PRS_RI_L3_PROTO_MASK); - /* goto ipv4 dest-address (skip eth_type + IP-header-size - 4) */ - mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + - sizeof(struct iphdr) - 4, - MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD); - /* Set L3 offset */ - mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3, - MVPP2_ETH_TYPE_LEN, - MVPP2_PRS_SRAM_OP_SEL_UDF_ADD); - - /* Update shadow table and hw entry */ - mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_PPPOE); - mvpp2_prs_hw_write(priv, &pe); + int tid, ihl;

- /* IPv4 over PPPoE without options */ - tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID, - MVPP2_PE_LAST_FREE_TID); - if (tid < 0) - return tid; + /* IPv4 over PPPoE with header length >= 5 */ + for (ihl = MVPP2_PRS_IPV4_IHL_MIN; ihl <= MVPP2_PRS_IPV4_IHL_MAX; ihl++) { + tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID, + MVPP2_PE_LAST_FREE_TID); + if (tid < 0) + return tid;

- pe.index = tid; + memset(&pe, 0, sizeof(pe)); + mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_PPPOE); + pe.index = tid;

- mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN, - MVPP2_PRS_IPV4_HEAD | - MVPP2_PRS_IPV4_IHL_MIN, - MVPP2_PRS_IPV4_HEAD_MASK | - MVPP2_PRS_IPV4_IHL_MASK); + mvpp2_prs_match_etype(&pe, 0, PPP_IP); + mvpp2_prs_tcam_data_byte_set(&pe, MVPP2_ETH_TYPE_LEN, + MVPP2_PRS_IPV4_HEAD | ihl, + MVPP2_PRS_IPV4_HEAD_MASK | + MVPP2_PRS_IPV4_IHL_MASK);

- /* Clear ri before updating */ - pe.sram[MVPP2_PRS_SRAM_RI_WORD] = 0x0; - pe.sram[MVPP2_PRS_SRAM_RI_CTRL_WORD] = 0x0; - mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4, - MVPP2_PRS_RI_L3_PROTO_MASK); + mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP4); + mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP4, + MVPP2_PRS_RI_L3_PROTO_MASK); + /* goto ipv4 dst-address (skip eth_type + IP-header-size - 4) */ + mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + + sizeof(struct iphdr) - 4, + MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD); + /* Set L3 offset */ + mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3, + MVPP2_ETH_TYPE_LEN, + MVPP2_PRS_SRAM_OP_SEL_UDF_ADD); + /* Set L4 offset */ + mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L4, + MVPP2_ETH_TYPE_LEN + (ihl * 4), + MVPP2_PRS_SRAM_OP_SEL_UDF_ADD);

- /* Update shadow table and hw entry */ - mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_PPPOE); - mvpp2_prs_hw_write(priv, &pe); + /* Update shadow table and hw entry */ + mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_PPPOE); + mvpp2_prs_hw_write(priv, &pe); + }

/* IPv6 over PPPoE */ tid = mvpp2_prs_tcam_first_free(priv, MVPP2_PE_FIRST_FREE_TID, diff --git a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c index 7bb1f20002b5..7c5403c01071 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c +++ b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c @@ -462,6 +462,7 @@ mtk_eth_setup_tc_block(struct net_device *dev, struct flow_block_offload *f) if (IS_ERR(block_cb)) return PTR_ERR(block_cb);

+ flow_block_cb_incref(block_cb); flow_block_cb_add(block_cb, f); list_add_tail(&block_cb->driver_list, &block_cb_list); return 0; @@ -470,7 +471,7 @@ mtk_eth_setup_tc_block(struct net_device *dev, struct flow_block_offload *f) if (!block_cb) return -ENOENT;

- if (flow_block_cb_decref(block_cb)) { + if (!flow_block_cb_decref(block_cb)) { flow_block_cb_remove(block_cb, f); list_del(&block_cb->driver_list); } diff --git a/drivers/net/ethernet/realtek/r8169_phy_config.c b/drivers/net/ethernet/realtek/r8169_phy_config.c index 50f0f621b1aa..a84fd859aec9 100644 --- a/drivers/net/ethernet/realtek/r8169_phy_config.c +++ b/drivers/net/ethernet/realtek/r8169_phy_config.c @@ -970,6 +970,9 @@ static void rtl8168h_2_hw_phy_config(struct rtl8169_private *tp, /* disable phy pfm mode */ phy_modify_paged(phydev, 0x0a44, 0x11, BIT(7), 0);

+ /* disable 10m pll off */ + phy_modify_paged(phydev, 0x0a43, 0x10, BIT(0), 0); + rtl8168g_disable_aldps(phydev); rtl8168g_config_eee_phy(phydev); } diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index c316a9eb5be3..302b97c2e617 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -1304,7 +1304,8 @@ static void efx_ef10_fini_nic(struct efx_nic *efx) static int efx_ef10_init_nic(struct efx_nic *efx) { struct efx_ef10_nic_data *nic_data = efx->nic_data; - netdev_features_t hw_enc_features = 0; + struct net_device *net_dev = efx->net_dev; + netdev_features_t tun_feats, tso_feats; int rc;

if (nic_data->must_check_datapath_caps) { @@ -1349,20 +1350,30 @@ static int efx_ef10_init_nic(struct efx_nic *efx) nic_data->must_restore_piobufs = false; }

- /* add encapsulated checksum offload features */ + /* encap features might change during reset if fw variant changed */ if (efx_has_cap(efx, VXLAN_NVGRE) && !efx_ef10_is_vf(efx)) - hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; - /* add encapsulated TSO features */ - if (efx_has_cap(efx, TX_TSO_V2_ENCAP)) { - netdev_features_t encap_tso_features; + net_dev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; + else + net_dev->hw_enc_features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);

- encap_tso_features = NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE | - NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM; + tun_feats = NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE | + NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM; + tso_feats = NETIF_F_TSO | NETIF_F_TSO6;

- hw_enc_features |= encap_tso_features | NETIF_F_TSO; - efx->net_dev->features |= encap_tso_features; + if (efx_has_cap(efx, TX_TSO_V2_ENCAP)) { + /* If this is first nic_init, or if it is a reset and a new fw + * variant has added new features, enable them by default. + * If the features are not new, maintain their current value. + */ + if (!(net_dev->hw_features & tun_feats)) + net_dev->features |= tun_feats; + net_dev->hw_enc_features |= tun_feats | tso_feats; + net_dev->hw_features |= tun_feats; + } else { + net_dev->hw_enc_features &= ~(tun_feats | tso_feats); + net_dev->hw_features &= ~tun_feats; + net_dev->features &= ~tun_feats; } - efx->net_dev->hw_enc_features = hw_enc_features;

/* don't fail init if RSS setup doesn't work */ rc = efx->type->rx_push_rss_config(efx, false, @@ -3993,7 +4004,10 @@ static unsigned int ef10_check_caps(const struct efx_nic *efx, NETIF_F_HW_VLAN_CTAG_FILTER | \ NETIF_F_IPV6_CSUM | \ NETIF_F_RXHASH | \ - NETIF_F_NTUPLE) + NETIF_F_NTUPLE | \ + NETIF_F_SG | \ + NETIF_F_RXCSUM | \ + NETIF_F_RXALL)

const struct efx_nic_type efx_hunt_a0_vf_nic_type = { .is_vf = true, diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index b6243f03e953..16a896360f3f 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -1003,21 +1003,18 @@ static int efx_pci_probe_post_io(struct efx_nic *efx) }

/* Determine netdevice features */ - net_dev->features |= (efx->type->offload_features | NETIF_F_SG | - NETIF_F_TSO | NETIF_F_RXCSUM | NETIF_F_RXALL); - if (efx->type->offload_features & (NETIF_F_IPV6_CSUM | NETIF_F_HW_CSUM)) { - net_dev->features |= NETIF_F_TSO6; - if (efx_has_cap(efx, TX_TSO_V2_ENCAP)) - net_dev->hw_enc_features |= NETIF_F_TSO6; - } - /* Check whether device supports TSO */ - if (!efx->type->tso_versions || !efx->type->tso_versions(efx)) - net_dev->features &= ~NETIF_F_ALL_TSO; + net_dev->features |= efx->type->offload_features; + + /* Add TSO features */ + if (efx->type->tso_versions && efx->type->tso_versions(efx)) + net_dev->features |= NETIF_F_TSO | NETIF_F_TSO6; + /* Mask for features that also apply to VLAN devices */ net_dev->vlan_features |= (NETIF_F_HW_CSUM | NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_ALL_TSO | NETIF_F_RXCSUM);

+ /* Determine user configurable features */ net_dev->hw_features |= net_dev->features & ~efx->fixed_features;

/* Disable receiving frames with bad FCS, by default. */ diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c index 63b99dd8ca51..b330dcbe949d 100644 --- a/drivers/net/ethernet/smsc/smsc911x.c +++ b/drivers/net/ethernet/smsc/smsc911x.c @@ -1037,8 +1037,6 @@ static int smsc911x_mii_probe(struct net_device *dev) return ret; }

- /* Indicate that the MAC is responsible for managing PHY PM */ - phydev->mac_managed_pm = true; phy_attached_info(phydev);

phy_set_max_speed(phydev, SPEED_100); @@ -1066,6 +1064,7 @@ static int smsc911x_mii_init(struct platform_device *pdev, struct net_device *dev) { struct smsc911x_data *pdata = netdev_priv(dev); + struct phy_device *phydev; int err = -ENXIO;

pdata->mii_bus = mdiobus_alloc(); @@ -1108,6 +1107,10 @@ static int smsc911x_mii_init(struct platform_device *pdev, goto err_out_free_bus_2; }

+ phydev = phy_find_first(pdata->mii_bus); + if (phydev) + phydev->mac_managed_pm = true; + return 0;

err_out_free_bus_2: diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index b6d945ea903d..c113ec56f5b0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -530,7 +530,6 @@ struct mac_device_info { unsigned int xlgmac; unsigned int num_vlan; u32 vlan_filter[32]; - unsigned int promisc; bool vlan_fail_q_en; u8 vlan_fail_q; }; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 60638bf18f1f..cd85a2d076c9 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -478,12 +478,6 @@ static int dwmac4_add_hw_vlan_rx_fltr(struct net_device *dev, if (vid > 4095) return -EINVAL;

- if (hw->promisc) { - netdev_err(dev, - "Adding VLAN in promisc mode not supported\n"); - return -EPERM; - } - /* Single Rx VLAN Filter */ if (hw->num_vlan == 1) { /* For single VLAN filter, VID 0 means VLAN promiscuous */ @@ -533,12 +527,6 @@ static int dwmac4_del_hw_vlan_rx_fltr(struct net_device *dev, { int i, ret = 0;

- if (hw->promisc) { - netdev_err(dev, - "Deleting VLAN in promisc mode not supported\n"); - return -EPERM; - } - /* Single Rx VLAN Filter */ if (hw->num_vlan == 1) { if ((hw->vlan_filter[0] & GMAC_VLAN_TAG_VID) == vid) { @@ -563,39 +551,6 @@ static int dwmac4_del_hw_vlan_rx_fltr(struct net_device *dev, return ret; }

-static void dwmac4_vlan_promisc_enable(struct net_device *dev, - struct mac_device_info *hw) -{ - void __iomem *ioaddr = hw->pcsr; - u32 value; - u32 hash; - u32 val; - int i; - - /* Single Rx VLAN Filter */ - if (hw->num_vlan == 1) { - dwmac4_write_single_vlan(dev, 0); - return; - } - - /* Extended Rx VLAN Filter Enable */ - for (i = 0; i < hw->num_vlan; i++) { - if (hw->vlan_filter[i] & GMAC_VLAN_TAG_DATA_VEN) { - val = hw->vlan_filter[i] & ~GMAC_VLAN_TAG_DATA_VEN; - dwmac4_write_vlan_filter(dev, hw, i, val); - } - } - - hash = readl(ioaddr + GMAC_VLAN_HASH_TABLE); - if (hash & GMAC_VLAN_VLHT) { - value = readl(ioaddr + GMAC_VLAN_TAG); - if (value & GMAC_VLAN_VTHM) { - value &= ~GMAC_VLAN_VTHM; - writel(value, ioaddr + GMAC_VLAN_TAG); - } - } -} - static void dwmac4_restore_hw_vlan_rx_fltr(struct net_device *dev, struct mac_device_info *hw) { @@ -715,22 +670,12 @@ static void dwmac4_set_filter(struct mac_device_info *hw, }

/* VLAN filtering */ - if (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER) + if (dev->flags & IFF_PROMISC && !hw->vlan_fail_q_en) + value &= ~GMAC_PACKET_FILTER_VTFE; + else if (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER) value |= GMAC_PACKET_FILTER_VTFE;

writel(value, ioaddr + GMAC_PACKET_FILTER); - - if (dev->flags & IFF_PROMISC && !hw->vlan_fail_q_en) { - if (!hw->promisc) { - hw->promisc = 1; - dwmac4_vlan_promisc_enable(dev, hw); - } - } else { - if (hw->promisc) { - hw->promisc = 0; - dwmac4_restore_hw_vlan_rx_fltr(dev, hw); - } - } }

static void dwmac4_flow_ctrl(struct mac_device_info *hw, unsigned int duplex, diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c index e2322bc3a4e9..5834d3ed6dcf 100644 --- a/drivers/net/ieee802154/ca8210.c +++ b/drivers/net/ieee802154/ca8210.c @@ -1945,10 +1945,9 @@ static int ca8210_skb_tx( struct ca8210_priv *priv ) { - int status; struct ieee802154_hdr header = { }; struct secspec secspec; - unsigned int mac_len; + int mac_len, status;

dev_dbg(&priv->spi->dev, "%s called\n", __func__);

diff --git a/drivers/net/ipa/gsi_trans.c b/drivers/net/ipa/gsi_trans.c index 1544564bc283..d709e6918195 100644 --- a/drivers/net/ipa/gsi_trans.c +++ b/drivers/net/ipa/gsi_trans.c @@ -155,7 +155,7 @@ int gsi_trans_pool_init_dma(struct device *dev, struct gsi_trans_pool *pool, * gsi_trans_pool_exit_dma() can assume the total allocated * size is exactly (count * size). */ - total_size = get_order(total_size) << PAGE_SHIFT; + total_size = PAGE_SIZE << get_order(total_size);

virt = dma_alloc_coherent(dev, total_size, &addr, GFP_KERNEL); if (!virt) diff --git a/drivers/net/net_failover.c b/drivers/net/net_failover.c index 2a4892402ed8..16b36e956360 100644 --- a/drivers/net/net_failover.c +++ b/drivers/net/net_failover.c @@ -130,14 +130,10 @@ static u16 net_failover_select_queue(struct net_device *dev, txq = ops->ndo_select_queue(primary_dev, skb, sb_dev); else txq = netdev_pick_tx(primary_dev, skb, NULL); - - qdisc_skb_cb(skb)->slave_dev_queue_mapping = skb->queue_mapping; - - return txq; + } else { + txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : 0; }

- txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : 0; - /* Save the original txq to restore before passing to the driver */ qdisc_skb_cb(skb)->slave_dev_queue_mapping = skb->queue_mapping;

diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c index 755220c6451f..cdf4e22fe85d 100644 --- a/drivers/net/phy/dp83869.c +++ b/drivers/net/phy/dp83869.c @@ -587,15 +587,13 @@ static int dp83869_of_init(struct phy_device *phydev) &dp83869_internal_delay[0], delay_size, true); if (dp83869->rx_int_delay < 0) - dp83869->rx_int_delay = - dp83869_internal_delay[DP83869_CLK_DELAY_DEF]; + dp83869->rx_int_delay = DP83869_CLK_DELAY_DEF;

dp83869->tx_int_delay = phy_get_internal_delay(phydev, dev, &dp83869_internal_delay[0], delay_size, false); if (dp83869->tx_int_delay < 0) - dp83869->tx_int_delay = - dp83869_internal_delay[DP83869_CLK_DELAY_DEF]; + dp83869->tx_int_delay = DP83869_CLK_DELAY_DEF;

return ret; } diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index adfd21aa5b6a..f315bddacba3 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -166,7 +166,7 @@ struct xenvif_queue { /* Per-queue data for xenvif */ struct pending_tx_info pending_tx_info[MAX_PENDING_REQS]; grant_handle_t grant_tx_handle[MAX_PENDING_REQS];

- struct gnttab_copy tx_copy_ops[MAX_PENDING_REQS]; + struct gnttab_copy tx_copy_ops[2 * MAX_PENDING_REQS]; struct gnttab_map_grant_ref tx_map_ops[MAX_PENDING_REQS]; struct gnttab_unmap_grant_ref tx_unmap_ops[MAX_PENDING_REQS]; /* passed to gnttab_[un]map_refs with pages under (un)mapping */ diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 26428db845be..303d8ebbaafc 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -334,6 +334,7 @@ static int xenvif_count_requests(struct xenvif_queue *queue, struct xenvif_tx_cb { u16 copy_pending_idx[XEN_NETBK_LEGACY_SLOTS_MAX + 1]; u8 copy_count; + u32 split_mask; };

#define XENVIF_TX_CB(skb) ((struct xenvif_tx_cb *)(skb)->cb) @@ -361,6 +362,8 @@ static inline struct sk_buff *xenvif_alloc_skb(unsigned int size) struct sk_buff *skb = alloc_skb(size + NET_SKB_PAD + NET_IP_ALIGN, GFP_ATOMIC | __GFP_NOWARN); + + BUILD_BUG_ON(sizeof(*XENVIF_TX_CB(skb)) > sizeof(skb->cb)); if (unlikely(skb == NULL)) return NULL;

@@ -396,11 +399,13 @@ static void xenvif_get_requests(struct xenvif_queue *queue, nr_slots = shinfo->nr_frags + 1;

copy_count(skb) = 0; + XENVIF_TX_CB(skb)->split_mask = 0;

/* Create copy ops for exactly data_len bytes into the skb head. */ __skb_put(skb, data_len); while (data_len > 0) { int amount = data_len > txp->size ? txp->size : data_len; + bool split = false;

cop->source.u.ref = txp->gref; cop->source.domid = queue->vif->domid; @@ -413,6 +418,13 @@ static void xenvif_get_requests(struct xenvif_queue *queue, cop->dest.u.gmfn = virt_to_gfn(skb->data + skb_headlen(skb) - data_len);

+ /* Don't cross local page boundary! */ + if (cop->dest.offset + amount > XEN_PAGE_SIZE) { + amount = XEN_PAGE_SIZE - cop->dest.offset; + XENVIF_TX_CB(skb)->split_mask |= 1U << copy_count(skb); + split = true; + } + cop->len = amount; cop->flags = GNTCOPY_source_gref;

@@ -420,7 +432,8 @@ static void xenvif_get_requests(struct xenvif_queue *queue, pending_idx = queue->pending_ring[index]; callback_param(queue, pending_idx).ctx = NULL; copy_pending_idx(skb, copy_count(skb)) = pending_idx; - copy_count(skb)++; + if (!split) + copy_count(skb)++;

cop++; data_len -= amount; @@ -441,7 +454,8 @@ static void xenvif_get_requests(struct xenvif_queue *queue, nr_slots--; } else { /* The copy op partially covered the tx_request. - * The remainder will be mapped. + * The remainder will be mapped or copied in the next + * iteration. */ txp->offset += amount; txp->size -= amount; @@ -539,6 +553,13 @@ static int xenvif_tx_check_gop(struct xenvif_queue *queue, pending_idx = copy_pending_idx(skb, i);

newerr = (*gopp_copy)->status; + + /* Split copies need to be handled together. */ + if (XENVIF_TX_CB(skb)->split_mask & (1U << i)) { + (*gopp_copy)++; + if (!newerr) + newerr = (*gopp_copy)->status; + } if (likely(!newerr)) { /* The first frag might still have this slot mapped */ if (i < copy_count(skb) - 1 || !sharedslot) diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 52d1fe5ec3e7..0a77b8426817 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -863,32 +863,34 @@ static const struct pinconf_ops amd_pinconf_ops = { .pin_config_group_set = amd_pinconf_group_set, };

-static void amd_gpio_irq_init(struct amd_gpio *gpio_dev) +static void amd_gpio_irq_init_pin(struct amd_gpio *gpio_dev, int pin) { - struct pinctrl_desc *desc = gpio_dev->pctrl->desc; + const struct pin_desc *pd; unsigned long flags; u32 pin_reg, mask; - int i;

mask = BIT(WAKE_CNTRL_OFF_S0I3) | BIT(WAKE_CNTRL_OFF_S3) | BIT(INTERRUPT_MASK_OFF) | BIT(INTERRUPT_ENABLE_OFF) | BIT(WAKE_CNTRL_OFF_S4);

- for (i = 0; i < desc->npins; i++) { - int pin = desc->pins[i].number; - const struct pin_desc *pd = pin_desc_get(gpio_dev->pctrl, pin); - - if (!pd) - continue; + pd = pin_desc_get(gpio_dev->pctrl, pin); + if (!pd) + return;

- raw_spin_lock_irqsave(&gpio_dev->lock, flags); + raw_spin_lock_irqsave(&gpio_dev->lock, flags); + pin_reg = readl(gpio_dev->base + pin * 4); + pin_reg &= ~mask; + writel(pin_reg, gpio_dev->base + pin * 4); + raw_spin_unlock_irqrestore(&gpio_dev->lock, flags); +}

- pin_reg = readl(gpio_dev->base + i * 4); - pin_reg &= ~mask; - writel(pin_reg, gpio_dev->base + i * 4); +static void amd_gpio_irq_init(struct amd_gpio *gpio_dev) +{ + struct pinctrl_desc *desc = gpio_dev->pctrl->desc; + int i;

- raw_spin_unlock_irqrestore(&gpio_dev->lock, flags); - } + for (i = 0; i < desc->npins; i++) + amd_gpio_irq_init_pin(gpio_dev, i); }

#ifdef CONFIG_PM_SLEEP @@ -941,8 +943,10 @@ static int amd_gpio_resume(struct device *dev) for (i = 0; i < desc->npins; i++) { int pin = desc->pins[i].number;

- if (!amd_gpio_should_save(gpio_dev, pin)) + if (!amd_gpio_should_save(gpio_dev, pin)) { + amd_gpio_irq_init_pin(gpio_dev, pin); continue; + }

raw_spin_lock_irqsave(&gpio_dev->lock, flags); gpio_dev->saved_regs[i] |= readl(gpio_dev->base + pin * 4) & PIN_IRQ_PENDING; diff --git a/drivers/pinctrl/pinctrl-at91-pio4.c b/drivers/pinctrl/pinctrl-at91-pio4.c index c86fcdfaf825..e31f5d9febe9 100644 --- a/drivers/pinctrl/pinctrl-at91-pio4.c +++ b/drivers/pinctrl/pinctrl-at91-pio4.c @@ -1184,7 +1184,6 @@ static int atmel_pinctrl_probe(struct platform_device *pdev) dev_err(dev, "can't add the irq domain\n"); return -ENODEV; } - atmel_pioctrl->irq_domain->name = "atmel gpio";

for (i = 0; i < atmel_pioctrl->npins; i++) { int irq = irq_create_mapping(atmel_pioctrl->irq_domain, i); diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c index 0a36ec8775a3..b14f1b7a625e 100644 --- a/drivers/pinctrl/pinctrl-ocelot.c +++ b/drivers/pinctrl/pinctrl-ocelot.c @@ -739,7 +739,7 @@ static int ocelot_pinmux_set_mux(struct pinctrl_dev *pctldev, regmap_update_bits(info->map, REG_ALT(0, info, pin->pin), BIT(p), f << p); regmap_update_bits(info->map, REG_ALT(1, info, pin->pin), - BIT(p), f << (p - 1)); + BIT(p), (f >> 1) << p);

return 0; } diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c index ac19fcc9abbf..b8d67bc4acb0 100644 --- a/drivers/platform/x86/intel/pmc/core.c +++ b/drivers/platform/x86/intel/pmc/core.c @@ -958,7 +958,18 @@ static inline void pmc_core_reg_write(struct pmc_dev *pmcdev, int reg_offset,

static inline u64 pmc_core_adjust_slp_s0_step(struct pmc_dev *pmcdev, u32 value) { - return (u64)value * pmcdev->map->slp_s0_res_counter_step; + /* + * ADL PCH does not have the SLP_S0 counter and LPM Residency counters are + * used as a workaround which uses 30.5 usec tick. All other client + * programs have the legacy SLP_S0 residency counter that is using the 122 + * usec tick. + */ + const int lpm_adj_x2 = pmcdev->map->lpm_res_counter_step_x2; + + if (pmcdev->map == &adl_reg_map) + return (u64)value * GET_X2_COUNTER((u64)lpm_adj_x2); + else + return (u64)value * pmcdev->map->slp_s0_res_counter_step; }

static int set_etr3(struct pmc_dev *pmcdev) diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c index c4d9c45350f7..c9ed2644bb8a 100644 --- a/drivers/platform/x86/think-lmi.c +++ b/drivers/platform/x86/think-lmi.c @@ -525,12 +525,23 @@ static ssize_t possible_values_show(struct kobject *kobj, struct kobj_attribute { struct tlmi_attr_setting *setting = to_tlmi_attr_setting(kobj);

- if (!tlmi_priv.can_get_bios_selections) - return -EOPNOTSUPP; - return sysfs_emit(buf, "%s\n", setting->possible_values); }

+static ssize_t type_show(struct kobject *kobj, struct kobj_attribute *attr, + char *buf) +{ + struct tlmi_attr_setting *setting = to_tlmi_attr_setting(kobj); + + if (setting->possible_values) { + /* Figure out what setting type is as BIOS does not return this */ + if (strchr(setting->possible_values, ';')) + return sysfs_emit(buf, "enumeration\n"); + } + /* Anything else is going to be a string */ + return sysfs_emit(buf, "string\n"); +} + static ssize_t current_value_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) @@ -601,14 +612,30 @@ static struct kobj_attribute attr_possible_values = __ATTR_RO(possible_values);

static struct kobj_attribute attr_current_val = __ATTR_RW_MODE(current_value, 0600);

+static struct kobj_attribute attr_type = __ATTR_RO(type); + +static umode_t attr_is_visible(struct kobject *kobj, + struct attribute *attr, int n) +{ + struct tlmi_attr_setting *setting = to_tlmi_attr_setting(kobj); + + /* We don't want to display possible_values attributes if not available */ + if ((attr == &attr_possible_values.attr) && (!setting->possible_values)) + return 0; + + return attr->mode; +} + static struct attribute *tlmi_attrs[] = { &attr_displ_name.attr, &attr_current_val.attr, &attr_possible_values.attr, + &attr_type.attr, NULL };

static const struct attribute_group tlmi_attr_group = { + .is_visible = attr_is_visible, .attrs = tlmi_attrs, };

@@ -916,7 +943,34 @@ static int tlmi_analyze(void) if (ret || !setting->possible_values) pr_info("Error retrieving possible values for %d : %s\n", i, setting->display_name); + } else { + /* + * Older Thinkstations don't support the bios_selections API. + * Instead they store this as a [Optional:Option1,Option2] section of the + * name string. + * Try and pull that out if it's available. + */ + char *item, *optstart, *optend; + + if (!tlmi_setting(setting->index, &item, LENOVO_BIOS_SETTING_GUID)) { + optstart = strstr(item, "[Optional:"); + if (optstart) { + optstart += strlen("[Optional:"); + optend = strstr(optstart, "]"); + if (optend) + setting->possible_values = + kstrndup(optstart, optend - optstart, + GFP_KERNEL); + } + } } + /* + * firmware-attributes requires that possible_values are separated by ';' but + * Lenovo FW uses ','. Replace appropriately. + */ + if (setting->possible_values) + strreplace(setting->possible_values, ',', ';'); + kobject_init(&setting->kobj, &tlmi_attr_setting_ktype); tlmi_priv.setting[i] = setting; kfree(item); diff --git a/drivers/ptp/ptp_qoriq.c b/drivers/ptp/ptp_qoriq.c index 08f4cf0ad9e3..8fa9772acf79 100644 --- a/drivers/ptp/ptp_qoriq.c +++ b/drivers/ptp/ptp_qoriq.c @@ -601,7 +601,7 @@ static int ptp_qoriq_probe(struct platform_device *dev) return 0;

no_clock: - iounmap(ptp_qoriq->base); + iounmap(base); no_ioremap: release_resource(ptp_qoriq->rsrc); no_resource: diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c index 599ad201dca7..fb163458337f 100644 --- a/drivers/regulator/fixed.c +++ b/drivers/regulator/fixed.c @@ -215,7 +215,7 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev) drvdata->enable_clock = devm_clk_get(dev, NULL); if (IS_ERR(drvdata->enable_clock)) { dev_err(dev, "Can't get enable-clock from devicetree\n"); - return -ENOENT; + return PTR_ERR(drvdata->enable_clock); } } else if (drvtype && drvtype->has_performance_state) { drvdata->desc.ops = &fixed_voltage_domain_ops; diff --git a/drivers/s390/crypto/vfio_ap_drv.c b/drivers/s390/crypto/vfio_ap_drv.c index 4d2556bc7fe5..5196c9ac5a81 100644 --- a/drivers/s390/crypto/vfio_ap_drv.c +++ b/drivers/s390/crypto/vfio_ap_drv.c @@ -86,8 +86,9 @@ static struct ap_driver vfio_ap_drv = {

static void vfio_ap_matrix_dev_release(struct device *dev) { - struct ap_matrix_dev *matrix_dev = dev_get_drvdata(dev); + struct ap_matrix_dev *matrix_dev;

+ matrix_dev = container_of(dev, struct ap_matrix_dev, device); kfree(matrix_dev); }

diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 056837849ead..c254254aa72f 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -4737,7 +4737,7 @@ int megasas_task_abort_fusion(struct scsi_cmnd *scmd) devhandle = megasas_get_tm_devhandle(scmd->device);

if (devhandle == (u16)ULONG_MAX) { - ret = SUCCESS; + ret = FAILED; sdev_printk(KERN_INFO, scmd->device, "task abort issued for invalid devhandle\n"); mutex_unlock(&instance->reset_mutex); @@ -4807,7 +4807,7 @@ int megasas_reset_target_fusion(struct scsi_cmnd *scmd) devhandle = megasas_get_tm_devhandle(scmd->device);

if (devhandle == (u16)ULONG_MAX) { - ret = SUCCESS; + ret = FAILED; sdev_printk(KERN_INFO, scmd->device, "target reset issued for invalid devhandle\n"); mutex_unlock(&instance->reset_mutex); diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 90118204e21a..5aa4ae0b0607 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -6456,11 +6456,6 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc) else if (rc == -EAGAIN) goto try_32bit_dma; total_sz += sense_sz; - ioc_info(ioc, - "sense pool(0x%p)- dma(0x%llx): depth(%d)," - "element_size(%d), pool_size(%d kB)\n", - ioc->sense, (unsigned long long)ioc->sense_dma, ioc->scsiio_depth, - SCSI_SENSE_BUFFERSIZE, sz / 1024); /* reply pool, 4 byte align */ sz = ioc->reply_free_queue_depth * ioc->reply_sz; rc = _base_allocate_reply_pool(ioc, sz); diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index a0100d26de8e..eaf64f33fe07 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1639,6 +1639,44 @@ static int __dwc3_gadget_get_frame(struct dwc3 *dwc) return DWC3_DSTS_SOFFN(reg); }

+/** + * __dwc3_stop_active_transfer - stop the current active transfer + * @dep: isoc endpoint + * @force: set forcerm bit in the command + * @interrupt: command complete interrupt after End Transfer command + * + * When setting force, the ForceRM bit will be set. In that case + * the controller won't update the TRB progress on command + * completion. It also won't clear the HWO bit in the TRB. + * The command will also not complete immediately in that case. + */ +static int __dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool interrupt) +{ + struct dwc3 *dwc = dep->dwc; + struct dwc3_gadget_ep_cmd_params params; + u32 cmd; + int ret; + + cmd = DWC3_DEPCMD_ENDTRANSFER; + cmd |= force ? DWC3_DEPCMD_HIPRI_FORCERM : 0; + cmd |= interrupt ? DWC3_DEPCMD_CMDIOC : 0; + cmd |= DWC3_DEPCMD_PARAM(dep->resource_index); + memset(&params, 0, sizeof(params)); + ret = dwc3_send_gadget_ep_cmd(dep, cmd, &params); + WARN_ON_ONCE(ret); + dep->resource_index = 0; + + if (!interrupt) { + if (!DWC3_IP_IS(DWC3) || DWC3_VER_IS_PRIOR(DWC3, 310A)) + mdelay(1); + dep->flags &= ~DWC3_EP_TRANSFER_STARTED; + } else if (!ret) { + dep->flags |= DWC3_EP_END_TRANSFER_PENDING; + } + + return ret; +} + /** * dwc3_gadget_start_isoc_quirk - workaround invalid frame number * @dep: isoc endpoint @@ -1808,21 +1846,8 @@ static int __dwc3_gadget_start_isoc(struct dwc3_ep *dep) * status, issue END_TRANSFER command and retry on the next XferNotReady * event. */ - if (ret == -EAGAIN) { - struct dwc3_gadget_ep_cmd_params params; - u32 cmd; - - cmd = DWC3_DEPCMD_ENDTRANSFER | - DWC3_DEPCMD_CMDIOC | - DWC3_DEPCMD_PARAM(dep->resource_index); - - dep->resource_index = 0; - memset(&params, 0, sizeof(params)); - - ret = dwc3_send_gadget_ep_cmd(dep, cmd, &params); - if (!ret) - dep->flags |= DWC3_EP_END_TRANSFER_PENDING; - } + if (ret == -EAGAIN) + ret = __dwc3_stop_active_transfer(dep, false, true);

return ret; } @@ -3605,10 +3630,6 @@ static void dwc3_reset_gadget(struct dwc3 *dwc) static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool interrupt) { - struct dwc3_gadget_ep_cmd_params params; - u32 cmd; - int ret; - if (!(dep->flags & DWC3_EP_TRANSFER_STARTED) || (dep->flags & DWC3_EP_END_TRANSFER_PENDING)) return; @@ -3637,22 +3658,14 @@ static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, * enabled, the EndTransfer command will have completed upon * returning from this function. * - * This mode is NOT available on the DWC_usb31 IP. + * This mode is NOT available on the DWC_usb31 IP. In this + * case, if the IOC bit is not set, then delay by 1ms + * after issuing the EndTransfer command. This allows for the + * controller to handle the command completely before DWC3 + * remove requests attempts to unmap USB request buffers. */

- cmd = DWC3_DEPCMD_ENDTRANSFER; - cmd |= force ? DWC3_DEPCMD_HIPRI_FORCERM : 0; - cmd |= interrupt ? DWC3_DEPCMD_CMDIOC : 0; - cmd |= DWC3_DEPCMD_PARAM(dep->resource_index); - memset(&params, 0, sizeof(params)); - ret = dwc3_send_gadget_ep_cmd(dep, cmd, &params); - WARN_ON_ONCE(ret); - dep->resource_index = 0; - - if (!interrupt) - dep->flags &= ~DWC3_EP_TRANSFER_STARTED; - else - dep->flags |= DWC3_EP_END_TRANSFER_PENDING; + __dwc3_stop_active_transfer(dep, force, interrupt); }

static void dwc3_clear_stall_all_ep(struct dwc3 *dwc) diff --git a/drivers/video/fbdev/au1200fb.c b/drivers/video/fbdev/au1200fb.c index c00e01a17368..a8a0a448cdb5 100644 --- a/drivers/video/fbdev/au1200fb.c +++ b/drivers/video/fbdev/au1200fb.c @@ -1040,6 +1040,9 @@ static int au1200fb_fb_check_var(struct fb_var_screeninfo *var, u32 pixclock; int screen_size, plane;

+ if (!var->pixclock) + return -EINVAL; + plane = fbdev->plane;

/* Make sure that the mode respect all LCD controller and diff --git a/drivers/video/fbdev/geode/lxfb_core.c b/drivers/video/fbdev/geode/lxfb_core.c index 66c81262d18f..6c6b6efb49f6 100644 --- a/drivers/video/fbdev/geode/lxfb_core.c +++ b/drivers/video/fbdev/geode/lxfb_core.c @@ -234,6 +234,9 @@ static void get_modedb(struct fb_videomode **modedb, unsigned int *size)

static int lxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { + if (!var->pixclock) + return -EINVAL; + if (var->xres > 1920 || var->yres > 1440) return -EINVAL;

diff --git a/drivers/video/fbdev/intelfb/intelfbdrv.c b/drivers/video/fbdev/intelfb/intelfbdrv.c index a9579964eaba..8a703adfa936 100644 --- a/drivers/video/fbdev/intelfb/intelfbdrv.c +++ b/drivers/video/fbdev/intelfb/intelfbdrv.c @@ -1214,6 +1214,9 @@ static int intelfb_check_var(struct fb_var_screeninfo *var,

dinfo = GET_DINFO(info);

+ if (!var->pixclock) + return -EINVAL; + /* update the pitch */ if (intelfbhw_validate_mode(dinfo, var) != 0) return -EINVAL; diff --git a/drivers/video/fbdev/nvidia/nvidia.c b/drivers/video/fbdev/nvidia/nvidia.c index a372a183c1f0..f9c388a8c10e 100644 --- a/drivers/video/fbdev/nvidia/nvidia.c +++ b/drivers/video/fbdev/nvidia/nvidia.c @@ -763,6 +763,8 @@ static int nvidiafb_check_var(struct fb_var_screeninfo *var, int pitch, err = 0;

NVTRACE_ENTER(); + if (!var->pixclock) + return -EINVAL;

var->transp.offset = 0; var->transp.length = 0; diff --git a/drivers/video/fbdev/tgafb.c b/drivers/video/fbdev/tgafb.c index ae0cf5540636..b9b00a1ffe22 100644 --- a/drivers/video/fbdev/tgafb.c +++ b/drivers/video/fbdev/tgafb.c @@ -166,6 +166,9 @@ tgafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { struct tga_par *par = (struct tga_par *)info->par;

+ if (!var->pixclock) + return -EINVAL; + if (par->tga_type == TGA_TYPE_8PLANE) { if (var->bits_per_pixel != 8) return -EINVAL; diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index ed9c715d2579..f4173294f60e 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -4267,7 +4267,9 @@ static long btrfs_ioctl_qgroup_assign(struct file *file, void __user *arg) }

/* update qgroup status and info */ + mutex_lock(&fs_info->qgroup_ioctl_lock); err = btrfs_run_qgroups(trans); + mutex_unlock(&fs_info->qgroup_ioctl_lock); if (err < 0) btrfs_handle_fs_error(fs_info, err, "failed to update qgroup status and info"); diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index fc40159197f7..26110d9587cd 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -2752,13 +2752,22 @@ int btrfs_qgroup_account_extents(struct btrfs_trans_handle *trans) }

/* - * called from commit_transaction. Writes all changed qgroups to disk. + * Writes all changed qgroups to disk. + * Called by the transaction commit path and the qgroup assign ioctl. */ int btrfs_run_qgroups(struct btrfs_trans_handle *trans) { struct btrfs_fs_info *fs_info = trans->fs_info; int ret = 0;

+ /* + * In case we are called from the qgroup assign ioctl, assert that we + * are holding the qgroup_ioctl_lock, otherwise we can race with a quota + * disable operation (ioctl) and access a freed quota root. + */ + if (trans->transaction->state != TRANS_STATE_COMMIT_DOING) + lockdep_assert_held(&fs_info->qgroup_ioctl_lock); + if (!fs_info->quota_root) return ret;

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 24f7ba1478ed..5e191860e8a8 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1406,8 +1406,17 @@ struct btrfs_device *btrfs_scan_one_device(const char *path, fmode_t flags, * So, we need to add a special mount option to scan for * later supers, using BTRFS_SUPER_MIRROR_MAX instead */ - flags |= FMODE_EXCL;

+ /* + * Avoid using flag |= FMODE_EXCL here, as the systemd-udev may + * initiate the device scan which may race with the user's mount + * or mkfs command, resulting in failure. + * Since the device scan is solely for reading purposes, there is + * no need for FMODE_EXCL. Additionally, the devices are read again + * during the mount process. It is ok to get some inconsistent + * values temporarily, as the device paths of the fsid are the only + * required information for assembling the volume. + */ bdev = blkdev_get_by_path(path, flags, holder); if (IS_ERR(bdev)) return ERR_CAST(bdev); diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index fa37f2672cd4..f7c91a3eb9a4 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -118,7 +118,10 @@ extern const struct dentry_operations cifs_ci_dentry_ops; #ifdef CONFIG_CIFS_DFS_UPCALL extern struct vfsmount *cifs_dfs_d_automount(struct path *path); #else -#define cifs_dfs_d_automount NULL +static inline struct vfsmount *cifs_dfs_d_automount(struct path *path) +{ + return ERR_PTR(-EREMOTE); +} #endif

/* Functions related to symlinks */ diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 243d17696f06..6ca08e473a7e 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -4751,8 +4751,13 @@ CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses, return -ENODEV;

getDFSRetry: - rc = smb_init(SMB_COM_TRANSACTION2, 15, ses->tcon_ipc, (void **) &pSMB, - (void **) &pSMBr); + /* + * Use smb_init_no_reconnect() instead of smb_init() as + * CIFSGetDFSRefer() may be called from cifs_reconnect_tcon() and thus + * causing an infinite recursion. + */ + rc = smb_init_no_reconnect(SMB_COM_TRANSACTION2, 15, ses->tcon_ipc, + (void **)&pSMB, (void **)&pSMBr); if (rc) return rc;

diff --git a/fs/ksmbd/connection.c b/fs/ksmbd/connection.c index 6105649b4ebb..610abaadbb67 100644 --- a/fs/ksmbd/connection.c +++ b/fs/ksmbd/connection.c @@ -292,7 +292,7 @@ int ksmbd_conn_handler_loop(void *p) kvfree(conn->request_buf); conn->request_buf = NULL;

- size = t->ops->read(t, hdr_buf, sizeof(hdr_buf)); + size = t->ops->read(t, hdr_buf, sizeof(hdr_buf), -1); if (size != sizeof(hdr_buf)) break;

@@ -335,7 +335,7 @@ int ksmbd_conn_handler_loop(void *p) * We already read 4 bytes to find out PDU size, now * read in PDU */ - size = t->ops->read(t, conn->request_buf + 4, pdu_size); + size = t->ops->read(t, conn->request_buf + 4, pdu_size, 2); if (size < 0) { pr_err("sock_read failed: %d\n", size); break; diff --git a/fs/ksmbd/connection.h b/fs/ksmbd/connection.h index 8694aef482c1..4b15c5e673d9 100644 --- a/fs/ksmbd/connection.h +++ b/fs/ksmbd/connection.h @@ -122,7 +122,8 @@ struct ksmbd_conn_ops { struct ksmbd_transport_ops { int (*prepare)(struct ksmbd_transport *t); void (*disconnect)(struct ksmbd_transport *t); - int (*read)(struct ksmbd_transport *t, char *buf, unsigned int size); + int (*read)(struct ksmbd_transport *t, char *buf, + unsigned int size, int max_retries); int (*writev)(struct ksmbd_transport *t, struct kvec *iovs, int niov, int size, bool need_invalidate_rkey, unsigned int remote_key); diff --git a/fs/ksmbd/transport_rdma.c b/fs/ksmbd/transport_rdma.c index 9d67419929d6..9ca29cdb7898 100644 --- a/fs/ksmbd/transport_rdma.c +++ b/fs/ksmbd/transport_rdma.c @@ -663,7 +663,7 @@ static int smb_direct_post_recv(struct smb_direct_transport *t, }

static int smb_direct_read(struct ksmbd_transport *t, char *buf, - unsigned int size) + unsigned int size, int unused) { struct smb_direct_recvmsg *recvmsg; struct smb_direct_data_transfer *data_transfer; diff --git a/fs/ksmbd/transport_tcp.c b/fs/ksmbd/transport_tcp.c index e0ca6cc04b91..d1d7954368a5 100644 --- a/fs/ksmbd/transport_tcp.c +++ b/fs/ksmbd/transport_tcp.c @@ -291,16 +291,18 @@ static int ksmbd_tcp_run_kthread(struct interface *iface)

/** * ksmbd_tcp_readv() - read data from socket in given iovec - * @t: TCP transport instance - * @iov_orig: base IO vector - * @nr_segs: number of segments in base iov - * @to_read: number of bytes to read from socket + * @t: TCP transport instance + * @iov_orig: base IO vector + * @nr_segs: number of segments in base iov + * @to_read: number of bytes to read from socket + * @max_retries: maximum retry count * * Return: on success return number of bytes read from socket, * otherwise return error number */ static int ksmbd_tcp_readv(struct tcp_transport *t, struct kvec *iov_orig, - unsigned int nr_segs, unsigned int to_read) + unsigned int nr_segs, unsigned int to_read, + int max_retries) { int length = 0; int total_read; @@ -308,7 +310,6 @@ static int ksmbd_tcp_readv(struct tcp_transport *t, struct kvec *iov_orig, struct msghdr ksmbd_msg; struct kvec *iov; struct ksmbd_conn *conn = KSMBD_TRANS(t)->conn; - int max_retry = 2;

iov = get_conn_iovec(t, nr_segs); if (!iov) @@ -335,14 +336,23 @@ static int ksmbd_tcp_readv(struct tcp_transport *t, struct kvec *iov_orig, } else if (conn->status == KSMBD_SESS_NEED_RECONNECT) { total_read = -EAGAIN; break; - } else if ((length == -ERESTARTSYS || length == -EAGAIN) && - max_retry) { + } else if (length == -ERESTARTSYS || length == -EAGAIN) { + /* + * If max_retries is negative, Allow unlimited + * retries to keep connection with inactive sessions. + */ + if (max_retries == 0) { + total_read = length; + break; + } else if (max_retries > 0) { + max_retries--; + } + usleep_range(1000, 2000); length = 0; - max_retry--; continue; } else if (length <= 0) { - total_read = -EAGAIN; + total_read = length; break; } } @@ -358,14 +368,15 @@ static int ksmbd_tcp_readv(struct tcp_transport *t, struct kvec *iov_orig, * Return: on success return number of bytes read from socket, * otherwise return error number */ -static int ksmbd_tcp_read(struct ksmbd_transport *t, char *buf, unsigned int to_read) +static int ksmbd_tcp_read(struct ksmbd_transport *t, char *buf, + unsigned int to_read, int max_retries) { struct kvec iov;

iov.iov_base = buf; iov.iov_len = to_read;

- return ksmbd_tcp_readv(TCP_TRANS(t), &iov, 1, to_read); + return ksmbd_tcp_readv(TCP_TRANS(t), &iov, 1, to_read, max_retries); }

static int ksmbd_tcp_writev(struct ksmbd_transport *t, struct kvec *iov, diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 27cafeada865..0546fa1ac98f 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1993,8 +1993,7 @@ _nfs4_opendata_reclaim_to_nfs4_state(struct nfs4_opendata *data) if (!data->rpc_done) { if (data->rpc_status) return ERR_PTR(data->rpc_status); - /* cached opens have already been processed */ - goto update; + return nfs4_try_open_cached(data); }

ret = nfs_refresh_inode(inode, &data->f_attr); @@ -2003,7 +2002,7 @@ _nfs4_opendata_reclaim_to_nfs4_state(struct nfs4_opendata *data)

if (data->o_res.delegation_type != 0) nfs4_opendata_check_deleg(data, state); -update: + if (!update_open_stateid(state, &data->o_res.stateid, NULL, data->o_arg.fmode)) return ERR_PTR(-EAGAIN); diff --git a/fs/verity/enable.c b/fs/verity/enable.c index 60a4372aa4d7..dfe8acc32df6 100644 --- a/fs/verity/enable.c +++ b/fs/verity/enable.c @@ -391,25 +391,27 @@ int fsverity_ioctl_enable(struct file *filp, const void __user *uarg) goto out_drop_write;

err = enable_verity(filp, &arg); - if (err) - goto out_allow_write_access;

/* - * Some pages of the file may have been evicted from pagecache after - * being used in the Merkle tree construction, then read into pagecache - * again by another process reading from the file concurrently. Since - * these pages didn't undergo verification against the file digest which - * fs-verity now claims to be enforcing, we have to wipe the pagecache - * to ensure that all future reads are verified. + * We no longer drop the inode's pagecache after enabling verity. This + * used to be done to try to avoid a race condition where pages could be + * evicted after being used in the Merkle tree construction, then + * re-instantiated by a concurrent read. Such pages are unverified, and + * the backing storage could have filled them with different content, so + * they shouldn't be used to fulfill reads once verity is enabled. + * + * But, dropping the pagecache has a big performance impact, and it + * doesn't fully solve the race condition anyway. So for those reasons, + * and also because this race condition isn't very important relatively + * speaking (especially for small-ish files, where the chance of a page + * being used, evicted, *and* re-instantiated all while enabling verity + * is quite small), we no longer drop the inode's pagecache. */ - filemap_write_and_wait(inode->i_mapping); - invalidate_inode_pages2(inode->i_mapping);

/* * allow_write_access() is needed to pair with deny_write_access(). * Regardless, the filesystem won't allow writing to verity files. */ -out_allow_write_access: allow_write_access(filp); out_drop_write: mnt_drop_write_file(filp); diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c index d3e182c1a128..9619a68df163 100644 --- a/fs/zonefs/super.c +++ b/fs/zonefs/super.c @@ -736,6 +736,7 @@ static ssize_t zonefs_file_dio_append(struct kiocb *iocb, struct iov_iter *from) struct zonefs_inode_info *zi = ZONEFS_I(inode); struct block_device *bdev = inode->i_sb->s_bdev; unsigned int max = bdev_max_zone_append_sectors(bdev); + pgoff_t start, end; struct bio *bio; ssize_t size; int nr_pages; @@ -744,6 +745,19 @@ static ssize_t zonefs_file_dio_append(struct kiocb *iocb, struct iov_iter *from) max = ALIGN_DOWN(max << SECTOR_SHIFT, inode->i_sb->s_blocksize); iov_iter_truncate(from, max);

+ /* + * If the inode block size (zone write granularity) is smaller than the + * page size, we may be appending data belonging to the last page of the + * inode straddling inode->i_size, with that page already cached due to + * a buffered read or readahead. So make sure to invalidate that page. + * This will always be a no-op for the case where the block size is + * equal to the page size. + */ + start = iocb->ki_pos >> PAGE_SHIFT; + end = (iocb->ki_pos + iov_iter_count(from) - 1) >> PAGE_SHIFT; + if (invalidate_inode_pages2_range(inode->i_mapping, start, end)) + return -EBUSY; + nr_pages = iov_iter_npages(from, BIO_MAX_VECS); if (!nr_pages) return 0; @@ -782,7 +796,7 @@ static ssize_t zonefs_file_dio_append(struct kiocb *iocb, struct iov_iter *from) if (bio->bi_iter.bi_sector != wpsector) { zonefs_warn(inode->i_sb, "Corrupted write pointer %llu for zone at %llu\n", - wpsector, zi->i_zsector); + bio->bi_iter.bi_sector, zi->i_zsector); ret = -EIO; } } diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h index 670e41783edd..fec252b1e5b8 100644 --- a/include/trace/events/rcu.h +++ b/include/trace/events/rcu.h @@ -768,7 +768,7 @@ TRACE_EVENT_RCU(rcu_torture_read, TP_ARGS(rcutorturename, rhp, secs, c_old, c),

TP_STRUCT__entry( - __field(char, rcutorturename[RCUTORTURENAME_LEN]) + __array(char, rcutorturename, RCUTORTURENAME_LEN) __field(struct rcu_head *, rhp) __field(unsigned long, secs) __field(unsigned long, c_old) diff --git a/include/xen/interface/platform.h b/include/xen/interface/platform.h index 732efb08c3e1..744bc4135567 100644 --- a/include/xen/interface/platform.h +++ b/include/xen/interface/platform.h @@ -500,6 +500,8 @@ struct xenpf_symdata { }; DEFINE_GUEST_HANDLE_STRUCT(xenpf_symdata);

+#define XENPF_get_dom0_console 64 + struct xen_platform_op { uint32_t cmd; uint32_t interface_version; /* XENPF_INTERFACE_VERSION */ @@ -523,6 +525,7 @@ struct xen_platform_op { struct xenpf_mem_hotadd mem_add; struct xenpf_core_parking core_parking; struct xenpf_symdata symdata; + struct dom0_vga_console_info dom0_console; uint8_t pad[128]; } u; }; diff --git a/kernel/compat.c b/kernel/compat.c index 55551989d9da..fb50f29d9b36 100644 --- a/kernel/compat.c +++ b/kernel/compat.c @@ -152,7 +152,7 @@ COMPAT_SYSCALL_DEFINE3(sched_getaffinity, compat_pid_t, pid, unsigned int, len, if (len & (sizeof(compat_ulong_t)-1)) return -EINVAL;

- if (!alloc_cpumask_var(&mask, GFP_KERNEL)) + if (!zalloc_cpumask_var(&mask, GFP_KERNEL)) return -ENOMEM;

ret = sched_getaffinity(pid, mask); diff --git a/kernel/kcsan/Makefile b/kernel/kcsan/Makefile index c2bb07f5bcc7..c4ddd189f3e0 100644 --- a/kernel/kcsan/Makefile +++ b/kernel/kcsan/Makefile @@ -13,5 +13,6 @@ CFLAGS_core.o := $(call cc-option,-fno-conserve-stack) \ obj-y := core.o debugfs.o report.o obj-$(CONFIG_KCSAN_SELFTEST) += selftest.o

-CFLAGS_kcsan_test.o := $(CFLAGS_KCSAN) -g -fno-omit-frame-pointer +CFLAGS_kcsan_test.o := $(CFLAGS_KCSAN) -fno-omit-frame-pointer +CFLAGS_kcsan_test.o += $(DISABLE_STRUCTLEAK_PLUGIN) obj-$(CONFIG_KCSAN_KUNIT_TEST) += kcsan_test.o diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 0c72459d5f42..acf7c09c9152 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -8185,14 +8185,14 @@ SYSCALL_DEFINE3(sched_getaffinity, pid_t, pid, unsigned int, len, if (len & (sizeof(unsigned long)-1)) return -EINVAL;

- if (!alloc_cpumask_var(&mask, GFP_KERNEL)) + if (!zalloc_cpumask_var(&mask, GFP_KERNEL)) return -ENOMEM;

ret = sched_getaffinity(pid, mask); if (ret == 0) { unsigned int retlen = min(len, cpumask_size());

- if (copy_to_user(user_mask_ptr, mask, retlen)) + if (copy_to_user(user_mask_ptr, cpumask_bits(mask), retlen)) ret = -EFAULT; else ret = retlen; diff --git a/kernel/trace/kprobe_event_gen_test.c b/kernel/trace/kprobe_event_gen_test.c index c736487fc0e4..e0c420eb0b2b 100644 --- a/kernel/trace/kprobe_event_gen_test.c +++ b/kernel/trace/kprobe_event_gen_test.c @@ -146,7 +146,7 @@ static int __init test_gen_kprobe_cmd(void) if (trace_event_file_is_valid(gen_kprobe_test)) gen_kprobe_test = NULL; /* We got an error after creating the event, delete it */ - ret = kprobe_event_delete("gen_kprobe_test"); + kprobe_event_delete("gen_kprobe_test"); goto out; }

@@ -211,7 +211,7 @@ static int __init test_gen_kretprobe_cmd(void) if (trace_event_file_is_valid(gen_kretprobe_test)) gen_kretprobe_test = NULL; /* We got an error after creating the event, delete it */ - ret = kprobe_event_delete("gen_kretprobe_test"); + kprobe_event_delete("gen_kretprobe_test"); goto out; }

diff --git a/net/can/bcm.c b/net/can/bcm.c index aab3a18f4a90..5727a073189b 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -936,6 +936,8 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,

cf = op->frames + op->cfsiz * i; err = memcpy_from_msg((u8 *)cf, msg, op->cfsiz); + if (err < 0) + goto free_op;

if (op->flags & CAN_FD_FRAME) { if (cf->len > 64) @@ -945,12 +947,8 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, err = -EINVAL; }

- if (err < 0) { - if (op->frames != &op->sframe) - kfree(op->frames); - kfree(op); - return err; - } + if (err < 0) + goto free_op;

if (msg_head->flags & TX_CP_CAN_ID) { /* copy can_id into frame */ @@ -1021,6 +1019,12 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, bcm_tx_start_timer(op);

return msg_head->nframes * op->cfsiz + MHSIZ; + +free_op: + if (op->frames != &op->sframe) + kfree(op->frames); + kfree(op); + return err; }

/* diff --git a/net/can/j1939/transport.c b/net/can/j1939/transport.c index 4177e9617070..848b60c9ef79 100644 --- a/net/can/j1939/transport.c +++ b/net/can/j1939/transport.c @@ -1124,8 +1124,6 @@ static void __j1939_session_cancel(struct j1939_session *session,

if (session->sk) j1939_sk_send_loop_abort(session->sk, session->err); - else - j1939_sk_errqueue(session, J1939_ERRQUEUE_RX_ABORT); }

static void j1939_session_cancel(struct j1939_session *session, @@ -1140,6 +1138,9 @@ static void j1939_session_cancel(struct j1939_session *session, }

j1939_session_list_unlock(session->priv); + + if (!session->sk) + j1939_sk_errqueue(session, J1939_ERRQUEUE_RX_ABORT); }

static enum hrtimer_restart j1939_tp_txtimer(struct hrtimer *hrtimer) @@ -1253,6 +1254,9 @@ static enum hrtimer_restart j1939_tp_rxtimer(struct hrtimer *hrtimer) __j1939_session_cancel(session, J1939_XTP_ABORT_TIMEOUT); } j1939_session_list_unlock(session->priv); + + if (!session->sk) + j1939_sk_errqueue(session, J1939_ERRQUEUE_RX_ABORT); }

j1939_session_put(session); diff --git a/net/hsr/hsr_framereg.c b/net/hsr/hsr_framereg.c index 414bf4d3d3c9..8c9a20e99f0f 100644 --- a/net/hsr/hsr_framereg.c +++ b/net/hsr/hsr_framereg.c @@ -385,7 +385,7 @@ void hsr_addr_subst_dest(struct hsr_node *node_src, struct sk_buff *skb, node_dst = find_node_by_addr_A(&port->hsr->node_db, eth_hdr(skb)->h_dest); if (!node_dst) { - if (net_ratelimit()) + if (port->hsr->prot_version != PRP_V1 && net_ratelimit()) netdev_err(skb->dev, "%s: Unknown node\n", __func__); return; } diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 897dfce7dd27..bf801adff63d 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -2140,6 +2140,7 @@ static void xs_tcp_shutdown(struct rpc_xprt *xprt) switch (skst) { case TCP_FIN_WAIT1: case TCP_FIN_WAIT2: + case TCP_LAST_ACK: break; case TCP_ESTABLISHED: case TCP_CLOSE_WAIT: diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 5fba82757ce5..eb0952dbf423 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -906,7 +906,9 @@ static int copy_to_user_aead(struct xfrm_algo_aead *aead, struct sk_buff *skb) return -EMSGSIZE;

ap = nla_data(nla); - memcpy(ap, aead, sizeof(*aead)); + strscpy_pad(ap->alg_name, aead->alg_name, sizeof(ap->alg_name)); + ap->alg_key_len = aead->alg_key_len; + ap->alg_icv_len = aead->alg_icv_len;

if (redact_secret && aead->alg_key_len) memset(ap->alg_key, 0, (aead->alg_key_len + 7) / 8); @@ -926,7 +928,8 @@ static int copy_to_user_ealg(struct xfrm_algo *ealg, struct sk_buff *skb) return -EMSGSIZE;

ap = nla_data(nla); - memcpy(ap, ealg, sizeof(*ealg)); + strscpy_pad(ap->alg_name, ealg->alg_name, sizeof(ap->alg_name)); + ap->alg_key_len = ealg->alg_key_len;

if (redact_secret && ealg->alg_key_len) memset(ap->alg_key, 0, (ealg->alg_key_len + 7) / 8); @@ -937,6 +940,40 @@ static int copy_to_user_ealg(struct xfrm_algo *ealg, struct sk_buff *skb) return 0; }

+static int copy_to_user_calg(struct xfrm_algo *calg, struct sk_buff *skb) +{ + struct nlattr *nla = nla_reserve(skb, XFRMA_ALG_COMP, sizeof(*calg)); + struct xfrm_algo *ap; + + if (!nla) + return -EMSGSIZE; + + ap = nla_data(nla); + strscpy_pad(ap->alg_name, calg->alg_name, sizeof(ap->alg_name)); + ap->alg_key_len = 0; + + return 0; +} + +static int copy_to_user_encap(struct xfrm_encap_tmpl *ep, struct sk_buff *skb) +{ + struct nlattr *nla = nla_reserve(skb, XFRMA_ENCAP, sizeof(*ep)); + struct xfrm_encap_tmpl *uep; + + if (!nla) + return -EMSGSIZE; + + uep = nla_data(nla); + memset(uep, 0, sizeof(*uep)); + + uep->encap_type = ep->encap_type; + uep->encap_sport = ep->encap_sport; + uep->encap_dport = ep->encap_dport; + uep->encap_oa = ep->encap_oa; + + return 0; +} + static int xfrm_smark_put(struct sk_buff *skb, struct xfrm_mark *m) { int ret = 0; @@ -992,12 +1029,12 @@ static int copy_to_user_state_extra(struct xfrm_state *x, goto out; } if (x->calg) { - ret = nla_put(skb, XFRMA_ALG_COMP, sizeof(*(x->calg)), x->calg); + ret = copy_to_user_calg(x->calg, skb); if (ret) goto out; } if (x->encap) { - ret = nla_put(skb, XFRMA_ENCAP, sizeof(*x->encap), x->encap); + ret = copy_to_user_encap(x->encap, skb); if (ret) goto out; } diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 491064f55515..8947c988b6d3 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -2137,6 +2137,8 @@ int pcm_lib_apply_appl_ptr(struct snd_pcm_substream *substream, ret = substream->ops->ack(substream); if (ret < 0) { runtime->control->appl_ptr = old_appl_ptr; + if (ret == -EPIPE) + __snd_pcm_xrun(substream); return ret; } } diff --git a/sound/pci/asihpi/hpi6205.c b/sound/pci/asihpi/hpi6205.c index 3d6914c64c4a..4cdaeefeb688 100644 --- a/sound/pci/asihpi/hpi6205.c +++ b/sound/pci/asihpi/hpi6205.c @@ -430,7 +430,7 @@ void HPI_6205(struct hpi_message *phm, struct hpi_response *phr) pao = hpi_find_adapter(phm->adapter_index); } else { /* subsys messages don't address an adapter */ - _HPI_6205(NULL, phm, phr); + phr->error = HPI_ERROR_INVALID_OBJ_INDEX; return; }

diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c index c0cb6e49a9b6..2646663e0342 100644 --- a/sound/pci/hda/patch_ca0132.c +++ b/sound/pci/hda/patch_ca0132.c @@ -4231,8 +4231,10 @@ static int tuning_ctl_set(struct hda_codec *codec, hda_nid_t nid,

for (i = 0; i < TUNING_CTLS_COUNT; i++) if (nid == ca0132_tuning_ctls[i].nid) - break; + goto found;

+ return -EINVAL; +found: snd_hda_power_up(codec); dspio_set_param(codec, ca0132_tuning_ctls[i].mid, 0x20, ca0132_tuning_ctls[i].req, diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 9d6464ded63e..deff4a3d7a78 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -980,7 +980,10 @@ static const struct snd_pci_quirk cxt5066_fixups[] = { SND_PCI_QUIRK(0x17aa, 0x3905, "Lenovo G50-30", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x17aa, 0x390b, "Lenovo G50-80", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x17aa, 0x3975, "Lenovo U300s", CXT_FIXUP_STEREO_DMIC), - SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_PINCFG_LENOVO_NOTEBOOK), + /* NOTE: we'd need to extend the quirk for 17aa:3977 as the same + * PCI SSID is used on multiple Lenovo models + */ + SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x17aa, 0x3978, "Lenovo G50-70", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x17aa, 0x397b, "Lenovo S205", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK_VENDOR(0x17aa, "Thinkpad", CXT_FIXUP_THINKPAD_ACPI), @@ -1003,6 +1006,7 @@ static const struct hda_model_fixup cxt5066_fixup_models[] = { { .id = CXT_FIXUP_MUTE_LED_GPIO, .name = "mute-led-gpio" }, { .id = CXT_FIXUP_HP_ZBOOK_MUTE_LED, .name = "hp-zbook-mute-led" }, { .id = CXT_FIXUP_HP_MIC_NO_PRESENCE, .name = "hp-mic-fix" }, + { .id = CXT_PINCFG_LENOVO_NOTEBOOK, .name = "lenovo-20149" }, {} };

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 21ad6f9e59b0..c81c7671589d 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -2625,6 +2625,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x1558, 0x65e5, "Clevo PC50D[PRS](?:-D|-G)?", ALC1220_FIXUP_CLEVO_PB51ED_PINS), SND_PCI_QUIRK(0x1558, 0x65f1, "Clevo PC50HS", ALC1220_FIXUP_CLEVO_PB51ED_PINS), SND_PCI_QUIRK(0x1558, 0x65f5, "Clevo PD50PN[NRT]", ALC1220_FIXUP_CLEVO_PB51ED_PINS), + SND_PCI_QUIRK(0x1558, 0x66a2, "Clevo PE60RNE", ALC1220_FIXUP_CLEVO_PB51ED_PINS), SND_PCI_QUIRK(0x1558, 0x67d1, "Clevo PB71[ER][CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS), SND_PCI_QUIRK(0x1558, 0x67e1, "Clevo PB71[DE][CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS), SND_PCI_QUIRK(0x1558, 0x67e5, "Clevo PC70D[PRS](?:-D|-G)?", ALC1220_FIXUP_CLEVO_PB51ED_PINS), @@ -2645,6 +2646,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x1558, 0x96e1, "Clevo P960[ER][CDFN]-K", ALC1220_FIXUP_CLEVO_P950), SND_PCI_QUIRK(0x1558, 0x97e1, "Clevo P970[ER][CDFN]", ALC1220_FIXUP_CLEVO_P950), SND_PCI_QUIRK(0x1558, 0x97e2, "Clevo P970RC-M", ALC1220_FIXUP_CLEVO_P950), + SND_PCI_QUIRK(0x1558, 0xd502, "Clevo PD50SNE", ALC1220_FIXUP_CLEVO_PB51ED_PINS), SND_PCI_QUIRK_VENDOR(0x1558, "Clevo laptop", ALC882_FIXUP_EAPD), SND_PCI_QUIRK(0x161f, 0x2054, "Medion laptop", ALC883_FIXUP_EAPD), SND_PCI_QUIRK(0x17aa, 0x3a0d, "Lenovo Y530", ALC882_FIXUP_LENOVO_Y530), @@ -9201,6 +9203,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1558, 0x5101, "Clevo S510WU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0x5157, "Clevo W517GU1", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0x51a1, "Clevo NS50MU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1558, 0x5630, "Clevo NP50RNJS", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0x70a1, "Clevo NB70T[HJK]", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0x70b3, "Clevo NK70SB", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0x70f2, "Clevo NH79EPY", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), @@ -9235,6 +9238,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1558, 0x971d, "Clevo N970T[CDF]", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0xa500, "Clevo NL5[03]RU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0xa600, "Clevo NL50NU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1558, 0xa671, "Clevo NP70SN[CDE]", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0xb018, "Clevo NP50D[BE]", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0xb019, "Clevo NH77D[BE]Q", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1558, 0xb022, "Clevo NH77D[DC][QW]", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE), @@ -9328,6 +9332,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x511e, "Thinkpad", ALC298_FIXUP_TPT470_DOCK), SND_PCI_QUIRK(0x17aa, 0x511f, "Thinkpad", ALC298_FIXUP_TPT470_DOCK), SND_PCI_QUIRK(0x17aa, 0x9e54, "LENOVO NB", ALC269_FIXUP_LENOVO_EAPD), + SND_PCI_QUIRK(0x17aa, 0x9e56, "Lenovo ZhaoYang CF4620Z", ALC286_FIXUP_SONY_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1849, 0x1233, "ASRock NUC Box 1100", ALC233_FIXUP_NO_AUDIO_JACK), SND_PCI_QUIRK(0x1849, 0xa233, "Positivo Master C6300", ALC269_FIXUP_HEADSET_MIC), SND_PCI_QUIRK(0x19e5, 0x3204, "Huawei MACH-WX9", ALC256_FIXUP_HUAWEI_MACH_WX9_PINS), diff --git a/sound/pci/ymfpci/ymfpci.c b/sound/pci/ymfpci/ymfpci.c index 1e198e4d57b8..82d4e0fda91b 100644 --- a/sound/pci/ymfpci/ymfpci.c +++ b/sound/pci/ymfpci/ymfpci.c @@ -170,7 +170,7 @@ static int snd_card_ymfpci_probe(struct pci_dev *pci, return -ENOENT; }

- err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, + err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, sizeof(*chip), &card); if (err < 0) return err; diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c index c80114c0ad7b..b492c32ce070 100644 --- a/sound/pci/ymfpci/ymfpci_main.c +++ b/sound/pci/ymfpci/ymfpci_main.c @@ -2165,7 +2165,7 @@ static int snd_ymfpci_memalloc(struct snd_ymfpci *chip) chip->work_base = ptr; chip->work_base_addr = ptr_addr; - snd_BUG_ON(ptr + chip->work_size != + snd_BUG_ON(ptr + PAGE_ALIGN(chip->work_size) != chip->work_ptr->area + chip->work_ptr->bytes);

snd_ymfpci_writel(chip, YDSXGR_PLAYCTRLBASE, chip->bank_base_playback_addr); diff --git a/sound/soc/codecs/lpass-tx-macro.c b/sound/soc/codecs/lpass-tx-macro.c index 2b7ba78551fa..35d148e60c33 100644 --- a/sound/soc/codecs/lpass-tx-macro.c +++ b/sound/soc/codecs/lpass-tx-macro.c @@ -239,7 +239,7 @@ enum {

struct tx_mute_work { struct tx_macro *tx; - u32 decimator; + u8 decimator; struct delayed_work dwork; };

@@ -632,7 +632,7 @@ static int tx_macro_mclk_enable(struct tx_macro *tx, return 0; }

-static bool is_amic_enabled(struct snd_soc_component *component, int decimator) +static bool is_amic_enabled(struct snd_soc_component *component, u8 decimator) { u16 adc_mux_reg, adc_reg, adc_n;

@@ -843,7 +843,7 @@ static int tx_macro_enable_dec(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); - unsigned int decimator; + u8 decimator; u16 tx_vol_ctl_reg, dec_cfg_reg, hpf_gate_reg, tx_gain_ctl_reg; u8 hpf_cut_off_freq; int hpf_delay = TX_MACRO_DMIC_HPF_DELAY_MS; @@ -1058,7 +1058,8 @@ static int tx_macro_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_component *component = dai->component; - u32 decimator, sample_rate; + u32 sample_rate; + u8 decimator; int tx_fs_rate; struct tx_macro *tx = snd_soc_component_get_drvdata(component);

@@ -1122,7 +1123,7 @@ static int tx_macro_digital_mute(struct snd_soc_dai *dai, int mute, int stream) { struct snd_soc_component *component = dai->component; struct tx_macro *tx = snd_soc_component_get_drvdata(component); - u16 decimator; + u8 decimator;

decimator = tx->active_decimator[dai->id];

diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index 092350eb5f4e..6c7d842d0496 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -444,8 +444,8 @@ static void push_back_to_ready_list(struct snd_usb_endpoint *ep, * This function is used both for implicit feedback endpoints and in low- * latency playback mode. */ -void snd_usb_queue_pending_output_urbs(struct snd_usb_endpoint *ep, - bool in_stream_lock) +int snd_usb_queue_pending_output_urbs(struct snd_usb_endpoint *ep, + bool in_stream_lock) { bool implicit_fb = snd_usb_endpoint_implicit_feedback_sink(ep);

@@ -469,7 +469,7 @@ void snd_usb_queue_pending_output_urbs(struct snd_usb_endpoint *ep, spin_unlock_irqrestore(&ep->lock, flags);

if (ctx == NULL) - return; + break;

/* copy over the length information */ if (implicit_fb) { @@ -484,11 +484,14 @@ void snd_usb_queue_pending_output_urbs(struct snd_usb_endpoint *ep, break; if (err < 0) { /* push back to ready list again for -EAGAIN */ - if (err == -EAGAIN) + if (err == -EAGAIN) { push_back_to_ready_list(ep, ctx); - else + break; + } + + if (!in_stream_lock) notify_xrun(ep); - return; + return -EPIPE; }

err = usb_submit_urb(ctx->urb, GFP_ATOMIC); @@ -496,13 +499,16 @@ void snd_usb_queue_pending_output_urbs(struct snd_usb_endpoint *ep, usb_audio_err(ep->chip, "Unable to submit urb #%d: %d at %s\n", ctx->index, err, __func__); - notify_xrun(ep); - return; + if (!in_stream_lock) + notify_xrun(ep); + return -EPIPE; }

set_bit(ctx->index, &ep->active_mask); atomic_inc(&ep->submitted_urbs); } + + return 0; }

/* diff --git a/sound/usb/endpoint.h b/sound/usb/endpoint.h index 6a9af04cf175..daa7ba063d85 100644 --- a/sound/usb/endpoint.h +++ b/sound/usb/endpoint.h @@ -49,7 +49,7 @@ int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep); int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep, struct snd_urb_ctx *ctx, int idx, unsigned int avail); -void snd_usb_queue_pending_output_urbs(struct snd_usb_endpoint *ep, - bool in_stream_lock); +int snd_usb_queue_pending_output_urbs(struct snd_usb_endpoint *ep, + bool in_stream_lock);

#endif /* __USBAUDIO_ENDPOINT_H */ diff --git a/sound/usb/format.c b/sound/usb/format.c index 405dc0bf6678..4b1c5ba121f3 100644 --- a/sound/usb/format.c +++ b/sound/usb/format.c @@ -39,8 +39,12 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip, case UAC_VERSION_1: default: { struct uac_format_type_i_discrete_descriptor *fmt = _fmt; - if (format >= 64) - return 0; /* invalid format */ + if (format >= 64) { + usb_audio_info(chip, + "%u:%d: invalid format type 0x%llx is detected, processed as PCM\n", + fp->iface, fp->altsetting, format); + format = UAC_FORMAT_TYPE_I_PCM; + } sample_width = fmt->bBitResolution; sample_bytes = fmt->bSubframeSize; format = 1ULL << format; diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 87a30be64324..de0964dbf7a9 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -1557,7 +1557,7 @@ static int snd_usb_pcm_playback_ack(struct snd_pcm_substream *substream) * outputs here */ if (!ep->active_mask) - snd_usb_queue_pending_output_urbs(ep, true); + return snd_usb_queue_pending_output_urbs(ep, true); return 0; }

diff --git a/tools/lib/bpf/btf_dump.c b/tools/lib/bpf/btf_dump.c index f620911ad3bb..8b1ba4b725e3 100644 --- a/tools/lib/bpf/btf_dump.c +++ b/tools/lib/bpf/btf_dump.c @@ -821,14 +821,9 @@ static bool btf_is_struct_packed(const struct btf *btf, __u32 id, const struct btf_type *t) { const struct btf_member *m; - int align, i, bit_sz; + int max_align = 1, align, i, bit_sz; __u16 vlen;

- align = btf__align_of(btf, id); - /* size of a non-packed struct has to be a multiple of its alignment*/ - if (align && t->size % align) - return true; - m = btf_members(t); vlen = btf_vlen(t); /* all non-bitfield fields have to be naturally aligned */ @@ -837,8 +832,11 @@ static bool btf_is_struct_packed(const struct btf *btf, __u32 id, bit_sz = btf_member_bitfield_size(t, i); if (align && bit_sz == 0 && m->offset % (8 * align) != 0) return true; + max_align = max(align, max_align); } - + /* size of a non-packed struct has to be a multiple of its alignment */ + if (t->size % max_align != 0) + return true; /* * if original struct was marked as packed, but its layout is * naturally aligned, we'll detect that it's not packed @@ -846,44 +844,97 @@ static bool btf_is_struct_packed(const struct btf *btf, __u32 id, return false; }

-static int chip_away_bits(int total, int at_most) -{ - return total % at_most ? : at_most; -} - static void btf_dump_emit_bit_padding(const struct btf_dump *d, - int cur_off, int m_off, int m_bit_sz, - int align, int lvl) + int cur_off, int next_off, int next_align, + bool in_bitfield, int lvl) { - int off_diff = m_off - cur_off; - int ptr_bits = d->ptr_sz * 8; + const struct { + const char *name; + int bits; + } pads[] = { + {"long", d->ptr_sz * 8}, {"int", 32}, {"short", 16}, {"char", 8} + }; + int new_off, pad_bits, bits, i; + const char *pad_type; + + if (cur_off >= next_off) + return; /* no gap */ + + /* For filling out padding we want to take advantage of + * natural alignment rules to minimize unnecessary explicit + * padding. First, we find the largest type (among long, int, + * short, or char) that can be used to force naturally aligned + * boundary. Once determined, we'll use such type to fill in + * the remaining padding gap. In some cases we can rely on + * compiler filling some gaps, but sometimes we need to force + * alignment to close natural alignment with markers like + * `long: 0` (this is always the case for bitfields). Note + * that even if struct itself has, let's say 4-byte alignment + * (i.e., it only uses up to int-aligned types), using `long: + * X;` explicit padding doesn't actually change struct's + * overall alignment requirements, but compiler does take into + * account that type's (long, in this example) natural + * alignment requirements when adding implicit padding. We use + * this fact heavily and don't worry about ruining correct + * struct alignment requirement. + */ + for (i = 0; i < ARRAY_SIZE(pads); i++) { + pad_bits = pads[i].bits; + pad_type = pads[i].name;

- if (off_diff <= 0) - /* no gap */ - return; - if (m_bit_sz == 0 && off_diff < align * 8) - /* natural padding will take care of a gap */ - return; + new_off = roundup(cur_off, pad_bits); + if (new_off <= next_off) + break; + }

- while (off_diff > 0) { - const char *pad_type; - int pad_bits; - - if (ptr_bits > 32 && off_diff > 32) { - pad_type = "long"; - pad_bits = chip_away_bits(off_diff, ptr_bits); - } else if (off_diff > 16) { - pad_type = "int"; - pad_bits = chip_away_bits(off_diff, 32); - } else if (off_diff > 8) { - pad_type = "short"; - pad_bits = chip_away_bits(off_diff, 16); - } else { - pad_type = "char"; - pad_bits = chip_away_bits(off_diff, 8); + if (new_off > cur_off && new_off <= next_off) { + /* We need explicit `<type>: 0` aligning mark if next + * field is right on alignment offset and its + * alignment requirement is less strict than <type>'s + * alignment (so compiler won't naturally align to the + * offset we expect), or if subsequent `<type>: X`, + * will actually completely fit in the remaining hole, + * making compiler basically ignore `<type>: X` + * completely. + */ + if (in_bitfield || + (new_off == next_off && roundup(cur_off, next_align * 8) != new_off) || + (new_off != next_off && next_off - new_off <= new_off - cur_off)) + /* but for bitfields we'll emit explicit bit count */ + btf_dump_printf(d, "\n%s%s: %d;", pfx(lvl), pad_type, + in_bitfield ? new_off - cur_off : 0); + cur_off = new_off; + } + + /* Now we know we start at naturally aligned offset for a chosen + * padding type (long, int, short, or char), and so the rest is just + * a straightforward filling of remaining padding gap with full + * `<type>: sizeof(<type>);` markers, except for the last one, which + * might need smaller than sizeof(<type>) padding. + */ + while (cur_off != next_off) { + bits = min(next_off - cur_off, pad_bits); + if (bits == pad_bits) { + btf_dump_printf(d, "\n%s%s: %d;", pfx(lvl), pad_type, pad_bits); + cur_off += bits; + continue; + } + /* For the remainder padding that doesn't cover entire + * pad_type bit length, we pick the smallest necessary type. + * This is pure aesthetics, we could have just used `long`, + * but having smallest necessary one communicates better the + * scale of the padding gap. + */ + for (i = ARRAY_SIZE(pads) - 1; i >= 0; i--) { + pad_type = pads[i].name; + pad_bits = pads[i].bits; + if (pad_bits < bits) + continue; + + btf_dump_printf(d, "\n%s%s: %d;", pfx(lvl), pad_type, bits); + cur_off += bits; + break; } - btf_dump_printf(d, "\n%s%s: %d;", pfx(lvl), pad_type, pad_bits); - off_diff -= pad_bits; } }

@@ -903,9 +954,11 @@ static void btf_dump_emit_struct_def(struct btf_dump *d, { const struct btf_member *m = btf_members(t); bool is_struct = btf_is_struct(t); - int align, i, packed, off = 0; + bool packed, prev_bitfield = false; + int align, i, off = 0; __u16 vlen = btf_vlen(t);

+ align = btf__align_of(d->btf, id); packed = is_struct ? btf_is_struct_packed(d->btf, id, t) : 0;

btf_dump_printf(d, "%s%s%s {", @@ -915,33 +968,36 @@ static void btf_dump_emit_struct_def(struct btf_dump *d,

for (i = 0; i < vlen; i++, m++) { const char *fname; - int m_off, m_sz; + int m_off, m_sz, m_align; + bool in_bitfield;

fname = btf_name_of(d, m->name_off); m_sz = btf_member_bitfield_size(t, i); m_off = btf_member_bit_offset(t, i); - align = packed ? 1 : btf__align_of(d->btf, m->type); + m_align = packed ? 1 : btf__align_of(d->btf, m->type);

- btf_dump_emit_bit_padding(d, off, m_off, m_sz, align, lvl + 1); + in_bitfield = prev_bitfield && m_sz != 0; + + btf_dump_emit_bit_padding(d, off, m_off, m_align, in_bitfield, lvl + 1); btf_dump_printf(d, "\n%s", pfx(lvl + 1)); btf_dump_emit_type_decl(d, m->type, fname, lvl + 1);

if (m_sz) { btf_dump_printf(d, ": %d", m_sz); off = m_off + m_sz; + prev_bitfield = true; } else { m_sz = max((__s64)0, btf__resolve_size(d->btf, m->type)); off = m_off + m_sz * 8; + prev_bitfield = false; } + btf_dump_printf(d, ";"); }

/* pad at the end, if necessary */ - if (is_struct) { - align = packed ? 1 : btf__align_of(d->btf, id); - btf_dump_emit_bit_padding(d, off, t->size * 8, 0, align, - lvl + 1); - } + if (is_struct) + btf_dump_emit_bit_padding(d, off, t->size * 8, align, false, lvl + 1);

if (vlen) btf_dump_printf(d, "\n"); diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8 index 9b17097bc3d7..b3d4bf08e70b 100644 --- a/tools/power/x86/turbostat/turbostat.8 +++ b/tools/power/x86/turbostat/turbostat.8 @@ -296,6 +296,8 @@ Alternatively, non-root users can be enabled to run turbostat this way:

# chmod +r /dev/cpu/*/msr

+# chmod +r /dev/cpu_dma_latency + .B "turbostat " reads hardware counters, but doesn't write them. So it will not interfere with the OS or other programs, including diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 4f176bbf29f4..a3197efe52c6 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -4241,7 +4241,7 @@ int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p)

fprintf(outf, "cpu%d: MSR_HWP_STATUS: 0x%08llx " "(%sGuaranteed_Perf_Change, %sExcursion_Min)\n", - cpu, msr, ((msr) & 0x1) ? "" : "No-", ((msr) & 0x2) ? "" : "No-"); + cpu, msr, ((msr) & 0x1) ? "" : "No-", ((msr) & 0x4) ? "" : "No-");

return 0; } @@ -5237,7 +5237,7 @@ void print_dev_latency(void)

retval = read(fd, (void *)&value, sizeof(int)); if (retval != sizeof(int)) { - warn("read %s\n", path); + warn("read failed %s\n", path); close(fd); return; } diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_bitfields.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_bitfields.c index 8f44767a75fa..22a7cd8fd9ac 100644 --- a/tools/testing/selftests/bpf/progs/btf_dump_test_case_bitfields.c +++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_bitfields.c @@ -53,7 +53,7 @@ struct bitfields_only_mixed_types { */ /* ------ END-EXPECTED-OUTPUT ------ */ struct bitfield_mixed_with_others { - long: 4; /* char is enough as a backing field */ + char: 4; /* char is enough as a backing field */ int a: 4; /* 8-bit implicit padding */ short b; /* combined with previous bitfield */ diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_packing.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_packing.c index 1cef3bec1dc7..22dbd1213434 100644 --- a/tools/testing/selftests/bpf/progs/btf_dump_test_case_packing.c +++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_packing.c @@ -58,7 +58,81 @@ union jump_code_union { } __attribute__((packed)); };

-/*------ END-EXPECTED-OUTPUT ------ */ +/* ----- START-EXPECTED-OUTPUT ----- */ +/* + *struct nested_packed_but_aligned_struct { + * int x1; + * int x2; + *}; + * + *struct outer_implicitly_packed_struct { + * char y1; + * struct nested_packed_but_aligned_struct y2; + *} __attribute__((packed)); + * + */ +/* ------ END-EXPECTED-OUTPUT ------ */ + +struct nested_packed_but_aligned_struct { + int x1; + int x2; +} __attribute__((packed)); + +struct outer_implicitly_packed_struct { + char y1; + struct nested_packed_but_aligned_struct y2; +}; +/* ----- START-EXPECTED-OUTPUT ----- */ +/* + *struct usb_ss_ep_comp_descriptor { + * char: 8; + * char bDescriptorType; + * char bMaxBurst; + * short wBytesPerInterval; + *}; + * + *struct usb_host_endpoint { + * long: 64; + * char: 8; + * struct usb_ss_ep_comp_descriptor ss_ep_comp; + * long: 0; + *} __attribute__((packed)); + * + */ +/* ------ END-EXPECTED-OUTPUT ------ */ + +struct usb_ss_ep_comp_descriptor { + char: 8; + char bDescriptorType; + char bMaxBurst; + int: 0; + short wBytesPerInterval; +} __attribute__((packed)); + +struct usb_host_endpoint { + long: 64; + char: 8; + struct usb_ss_ep_comp_descriptor ss_ep_comp; + long: 0; +}; + +/* ----- START-EXPECTED-OUTPUT ----- */ +struct nested_packed_struct { + int a; + char b; +} __attribute__((packed)); + +struct outer_nonpacked_struct { + short a; + struct nested_packed_struct b; +}; + +struct outer_packed_struct { + short a; + struct nested_packed_struct b; +} __attribute__((packed)); + +/* ------ END-EXPECTED-OUTPUT ------ */

int f(struct { struct packed_trailing_space _1; @@ -69,6 +143,10 @@ int f(struct { union union_is_never_packed _6; union union_does_not_need_packing _7; union jump_code_union _8; + struct outer_implicitly_packed_struct _9; + struct usb_host_endpoint _10; + struct outer_nonpacked_struct _11; + struct outer_packed_struct _12; } *_) { return 0; diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_padding.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_padding.c index 35c512818a56..0b3cdffbfcf7 100644 --- a/tools/testing/selftests/bpf/progs/btf_dump_test_case_padding.c +++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_padding.c @@ -19,7 +19,7 @@ struct padded_implicitly { /* *struct padded_explicitly { * int a; - * int: 32; + * long: 0; * int b; *}; * @@ -28,41 +28,28 @@ struct padded_implicitly {

struct padded_explicitly { int a; - int: 1; /* algo will explicitly pad with full 32 bits here */ + int: 1; /* algo will emit aligning `long: 0;` here */ int b; };

/* ----- START-EXPECTED-OUTPUT ----- */ -/* - *struct padded_a_lot { - * int a; - * long: 32; - * long: 64; - * long: 64; - * int b; - *}; - * - */ -/* ------ END-EXPECTED-OUTPUT ------ */ - struct padded_a_lot { int a; - /* 32 bit of implicit padding here, which algo will make explicit */ long: 64; long: 64; int b; };

+/* ------ END-EXPECTED-OUTPUT ------ */ + /* ----- START-EXPECTED-OUTPUT ----- */ /* *struct padded_cache_line { * int a; - * long: 32; * long: 64; * long: 64; * long: 64; * int b; - * long: 32; * long: 64; * long: 64; * long: 64; @@ -85,7 +72,7 @@ struct padded_cache_line { *struct zone { * int a; * short b; - * short: 16; + * long: 0; * struct zone_padding __pad__; *}; * @@ -102,12 +89,160 @@ struct zone { struct zone_padding __pad__; };

+/* ----- START-EXPECTED-OUTPUT ----- */ +struct padding_wo_named_members { + long: 64; + long: 64; +}; + +struct padding_weird_1 { + int a; + long: 64; + short: 16; + short b; +}; + +/* ------ END-EXPECTED-OUTPUT ------ */ + +/* ----- START-EXPECTED-OUTPUT ----- */ +/* + *struct padding_weird_2 { + * long: 56; + * char a; + * long: 56; + * char b; + * char: 8; + *}; + * + */ +/* ------ END-EXPECTED-OUTPUT ------ */ +struct padding_weird_2 { + int: 32; /* these paddings will be collapsed into `long: 56;` */ + short: 16; + char: 8; + char a; + int: 32; /* these paddings will be collapsed into `long: 56;` */ + short: 16; + char: 8; + char b; + char: 8; +}; + +/* ----- START-EXPECTED-OUTPUT ----- */ +struct exact_1byte { + char x; +}; + +struct padded_1byte { + char: 8; +}; + +struct exact_2bytes { + short x; +}; + +struct padded_2bytes { + short: 16; +}; + +struct exact_4bytes { + int x; +}; + +struct padded_4bytes { + int: 32; +}; + +struct exact_8bytes { + long x; +}; + +struct padded_8bytes { + long: 64; +}; + +struct ff_periodic_effect { + int: 32; + short magnitude; + long: 0; + short phase; + long: 0; + int: 32; + int custom_len; + short *custom_data; +}; + +struct ib_wc { + long: 64; + long: 64; + int: 32; + int byte_len; + void *qp; + union {} ex; + long: 64; + int slid; + int wc_flags; + long: 64; + char smac[6]; + long: 0; + char network_hdr_type; +}; + +struct acpi_object_method { + long: 64; + char: 8; + char type; + short reference_count; + char flags; + short: 0; + char: 8; + char sync_level; + long: 64; + void *node; + void *aml_start; + union {} dispatch; + long: 64; + int aml_length; +}; + +struct nested_unpacked { + int x; +}; + +struct nested_packed { + struct nested_unpacked a; + char c; +} __attribute__((packed)); + +struct outer_mixed_but_unpacked { + struct nested_packed b1; + short a1; + struct nested_packed b2; +}; + +/* ------ END-EXPECTED-OUTPUT ------ */ + int f(struct { struct padded_implicitly _1; struct padded_explicitly _2; struct padded_a_lot _3; struct padded_cache_line _4; struct zone _5; + struct padding_wo_named_members _6; + struct padding_weird_1 _7; + struct padding_weird_2 _8; + struct exact_1byte _100; + struct padded_1byte _101; + struct exact_2bytes _102; + struct padded_2bytes _103; + struct exact_4bytes _104; + struct padded_4bytes _105; + struct exact_8bytes _106; + struct padded_8bytes _107; + struct ff_periodic_effect _200; + struct ib_wc _201; + struct acpi_object_method _202; + struct outer_mixed_but_unpacked _203; } *_) { return 0;