May 2018 - Linux-stable-mirror

[Linux-stable-mirror] [PATCH] MIPS: Fix arch_trigger_cpumask_backtrace()

by Huacai Chen

SysRq-L and RCU stall detector call arch_trigger_cpumask_backtrace() to trigger other CPU's backtrace, but its behavior is totally broken. The root cause is arch_trigger_cpumask_backtrace() use call-function IPI in irq context, which trigger deadlocks in smp_call_function_single() and smp_call_function_many(). This patch fix arch_trigger_cpumask_backtrace() by: 1, Use a dedecated IPI (SMP_CPU_BACKTRACE) to trigger backtraces; 2, If myself is in target cpumask, do backtrace and clear myself; 3, Use a spinlock to avoid parallel backtrace output; 4, Handle SMP_CPU_BACKTRACE IPI for Loongson-3. I have attempted to implement SMP_CPU_BACKTRACE for all MIPS CPUs, but I failed because some of their IPIs are not extensible. :( Cc: stable(a)vger.kernel.org Signed-off-by: Huacai Chen <chenhc(a)lemote.com> --- arch/mips/include/asm/smp.h | 3 +++ arch/mips/kernel/process.c | 23 ++++++++++++++++++----- arch/mips/loongson64/loongson-3/smp.c | 6 ++++++ 3 files changed, 27 insertions(+), 5 deletions(-) diff --git a/arch/mips/include/asm/smp.h b/arch/mips/include/asm/smp.h index 88ebd83..b0521f4 100644 --- a/arch/mips/include/asm/smp.h +++ b/arch/mips/include/asm/smp.h @@ -43,6 +43,7 @@ extern int __cpu_logical_map[NR_CPUS]; /* Octeon - Tell another core to flush its icache */ #define SMP_ICACHE_FLUSH 0x4 #define SMP_ASK_C0COUNT 0x8 +#define SMP_CPU_BACKTRACE 0x10 /* Mask of CPUs which are currently definitely operating coherently */ extern cpumask_t cpu_coherent_mask; @@ -81,6 +82,8 @@ static inline void __cpu_die(unsigned int cpu) extern void play_dead(void); #endif +void arch_dump_stack(void); + /* * This function will set up the necessary IPIs for Linux to communicate * with the CPUs in mask. diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 57028d4..647e15d 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -655,26 +655,39 @@ unsigned long arch_align_stack(unsigned long sp) return sp & ALMASK; } -static void arch_dump_stack(void *info) +void arch_dump_stack(void) { struct pt_regs *regs; + static arch_spinlock_t lock = __ARCH_SPIN_LOCK_UNLOCKED; + arch_spin_lock(&lock); regs = get_irq_regs(); if (regs) show_regs(regs); dump_stack(); + arch_spin_unlock(&lock); } void arch_trigger_cpumask_backtrace(const cpumask_t *mask, bool exclude_self) { long this_cpu = get_cpu(); + struct cpumask backtrace_mask; + extern const struct plat_smp_ops *mp_ops; + + cpumask_copy(&backtrace_mask, mask); + if (cpumask_test_cpu(this_cpu, mask)) { + if (!exclude_self) { + struct pt_regs *regs = get_irq_regs(); + if (regs) + show_regs(regs); + dump_stack(); + } + cpumask_clear_cpu(this_cpu, &backtrace_mask); + } - if (cpumask_test_cpu(this_cpu, mask) && !exclude_self) - dump_stack(); - - smp_call_function_many(mask, arch_dump_stack, NULL, 1); + mp_ops->send_ipi_mask(&backtrace_mask, SMP_CPU_BACKTRACE); put_cpu(); } diff --git a/arch/mips/loongson64/loongson-3/smp.c b/arch/mips/loongson64/loongson-3/smp.c index 8501109..0655114 100644 --- a/arch/mips/loongson64/loongson-3/smp.c +++ b/arch/mips/loongson64/loongson-3/smp.c @@ -291,6 +291,12 @@ void loongson3_ipi_interrupt(struct pt_regs *regs) __wbflush(); /* Let others see the result ASAP */ } + if (action & SMP_CPU_BACKTRACE) { + irq_enter(); + arch_dump_stack(); + irq_exit(); + } + if (irqs) { int irq; while ((irq = ffs(irqs))) { -- 2.7.0

5 years, 10 months

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[PATCH] blkdev_report_zones_ioctl(): Use vmalloc() to allocate large buffers

by Bart Van Assche

Avoid that complaints similar to the following appear in the kernel log if the number of zones is sufficiently large: fio: page allocation failure: order:9, mode:0x140c0c0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null) Call Trace: dump_stack+0x63/0x88 warn_alloc+0xf5/0x190 __alloc_pages_slowpath+0x8f0/0xb0d __alloc_pages_nodemask+0x242/0x260 alloc_pages_current+0x6a/0xb0 kmalloc_order+0x18/0x50 kmalloc_order_trace+0x26/0xb0 __kmalloc+0x20e/0x220 blkdev_report_zones_ioctl+0xa5/0x1a0 blkdev_ioctl+0x1ba/0x930 block_ioctl+0x41/0x50 do_vfs_ioctl+0xaa/0x610 SyS_ioctl+0x79/0x90 do_syscall_64+0x79/0x1b0 entry_SYSCALL_64_after_hwframe+0x3d/0xa2 Fixes: 3ed05a987e0f ("blk-zoned: implement ioctls") Signed-off-by: Bart Van Assche <bart.vanassche(a)wdc.com> Cc: Shaun Tancheff <shaun.tancheff(a)seagate.com> Cc: Damien Le Moal <damien.lemoal(a)hgst.com> Cc: Christoph Hellwig <hch(a)lst.de> Cc: Martin K. Petersen <martin.petersen(a)oracle.com> Cc: Hannes Reinecke <hare(a)suse.com> Cc: <stable(a)vger.kernel.org> --- block/blk-zoned.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/block/blk-zoned.c b/block/blk-zoned.c index 20bfc37e1852..92e6108487c4 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -328,7 +328,11 @@ int blkdev_report_zones_ioctl(struct block_device *bdev, fmode_t mode, if (!rep.nr_zones) return -EINVAL; - zones = kcalloc(rep.nr_zones, sizeof(struct blk_zone), GFP_KERNEL); + if (rep.nr_zones > INT_MAX / sizeof(struct blk_zone)) + return -ERANGE; + + zones = kvmalloc(rep.nr_zones * sizeof(struct blk_zone), + GFP_KERNEL | __GFP_ZERO); if (!zones) return -ENOMEM; @@ -350,7 +354,7 @@ int blkdev_report_zones_ioctl(struct block_device *bdev, fmode_t mode, } out: - kfree(zones); + kvfree(zones); return ret; } -- 2.16.3

5 years, 10 months

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[PATCH v11 0/7] dax: fix dma vs truncate/hole-punch

by Dan Williams

Changes since v9 [1] and v10 [2] * Resend the full series with the reworked "mm: introduce MEMORY_DEVICE_FS_DAX and CONFIG_DEV_PAGEMAP_OPS" (Christoph) * Move generic_dax_pagefree() into the pmem driver (Christoph) * Cleanup __bdev_dax_supported() (Christoph) * Cleanup some stale SRCU bits leftover from other iterations (Jan) * Cleanup xfs_break_layouts() (Jan) [1]: https://lists.01.org/pipermail/linux-nvdimm/2018-April/015457.html [2]: https://lists.01.org/pipermail/linux-nvdimm/2018-May/015885.html --- Background: get_user_pages() in the filesystem pins file backed memory pages for access by devices performing dma. However, it only pins the memory pages not the page-to-file offset association. If a file is truncated the pages are mapped out of the file and dma may continue indefinitely into a page that is owned by a device driver. This breaks coherency of the file vs dma, but the assumption is that if userspace wants the file-space truncated it does not matter what data is inbound from the device, it is not relevant anymore. The only expectation is that dma can safely continue while the filesystem reallocates the block(s). Problem: This expectation that dma can safely continue while the filesystem changes the block map is broken by dax. With dax the target dma page *is* the filesystem block. The model of leaving the page pinned for dma, but truncating the file block out of the file, means that the filesytem is free to reallocate a block under active dma to another file and now the expected data-incoherency situation has turned into active data-corruption. Solution: Defer all filesystem operations (fallocate(), truncate()) on a dax mode file while any page/block in the file is under active dma. This solution assumes that dma is transient. Cases where dma operations are known to not be transient, like RDMA, have been explicitly disabled via commits like 5f1d43de5416 "IB/core: disable memory registration of filesystem-dax vmas". The dax_layout_busy_page() routine is called by filesystems with a lock held against mm faults (i_mmap_lock) to find pinned / busy dax pages. The process of looking up a busy page invalidates all mappings to trigger any subsequent get_user_pages() to block on i_mmap_lock. The filesystem continues to call dax_layout_busy_page() until it finally returns no more active pages. This approach assumes that the page pinning is transient, if that assumption is violated the system would have likely hung from the uncompleted I/O. --- Dan Williams (7): memremap: split devm_memremap_pages() and memremap() infrastructure mm: introduce MEMORY_DEVICE_FS_DAX and CONFIG_DEV_PAGEMAP_OPS mm: fix __gup_device_huge vs unmap mm, fs, dax: handle layout changes to pinned dax mappings xfs: prepare xfs_break_layouts() to be called with XFS_MMAPLOCK_EXCL xfs: prepare xfs_break_layouts() for another layout type xfs, dax: introduce xfs_break_dax_layouts() drivers/dax/super.c | 14 ++- drivers/nvdimm/pfn_devs.c | 2 drivers/nvdimm/pmem.c | 25 +++++ fs/Kconfig | 1 fs/dax.c | 97 +++++++++++++++++++++ fs/xfs/xfs_file.c | 72 ++++++++++++++-- fs/xfs/xfs_inode.h | 16 +++ fs/xfs/xfs_ioctl.c | 8 -- fs/xfs/xfs_iops.c | 16 ++- fs/xfs/xfs_pnfs.c | 15 ++- fs/xfs/xfs_pnfs.h | 5 + include/linux/dax.h | 7 ++ include/linux/memremap.h | 36 ++------ include/linux/mm.h | 71 +++++++++++---- kernel/Makefile | 3 - kernel/iomem.c | 167 ++++++++++++++++++++++++++++++++++++ kernel/memremap.c | 209 ++++++--------------------------------------- mm/Kconfig | 5 + mm/gup.c | 36 ++++++-- mm/hmm.c | 13 --- mm/swap.c | 3 - 21 files changed, 542 insertions(+), 279 deletions(-) create mode 100644 kernel/iomem.c

5 years, 10 months

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[PATCH v3 1/4] NFC: st21nfca: Fix out of bounds kernel access when handling ATR_REQ

by Amit Pundir

From: Suren Baghdasaryan <surenb(a)google.com> Out of bounds kernel accesses in st21nfca's NFC HCI layer might happen when handling ATR_REQ events if user-specified atr_req->length is bigger than the buffer size. In that case memcpy() inside st21nfca_tm_send_atr_res() will read extra bytes resulting in OOB read from the kernel heap. cc: Stable <stable(a)vger.kernel.org> Signed-off-by: Suren Baghdasaryan <surenb(a)google.com> Signed-off-by: Amit Pundir <amit.pundir(a)linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> --- v3..v1: Resend. No changes. drivers/nfc/st21nfca/dep.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/nfc/st21nfca/dep.c b/drivers/nfc/st21nfca/dep.c index fd08be2917e6..3420c5104c94 100644 --- a/drivers/nfc/st21nfca/dep.c +++ b/drivers/nfc/st21nfca/dep.c @@ -217,7 +217,8 @@ static int st21nfca_tm_recv_atr_req(struct nfc_hci_dev *hdev, atr_req = (struct st21nfca_atr_req *)skb->data; - if (atr_req->length < sizeof(struct st21nfca_atr_req)) { + if (atr_req->length < sizeof(struct st21nfca_atr_req) || + atr_req->length > skb->len) { r = -EPROTO; goto exit; } -- 2.7.4

5 years, 10 months

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[PATCH] x86/spectre_v1: Disable compiler optimizations over array_index_mask_nospec()

by Dan Williams

Mark notes that gcc optimization passes have the potential to elide necessary invocations of this instruction sequence, so include an optimization barrier. > I think that either way, we have a potential problem if the compiler > generates a branch dependent on the result of validate_index_nospec(). > > In that case, we could end up with codegen approximating: > > bool safe = false; > > if (idx < bound) { > idx = array_index_nospec(idx, bound); > safe = true; > } > > // this branch can be mispredicted > if (safe) { > foo = array[idx]; > } > > ... and thus we lose the nospec protection. I see GCC do this at -O0, but so far I haven't tricked it into doing this at -O1 or above. Regardless, I worry this is fragile -- GCC *can* generate code as per the above, even if it's unlikely to. Cc: <stable(a)vger.kernel.org> Fixes: babdde2698d4 ("x86: Implement array_index_mask_nospec") Cc: Thomas Gleixner <tglx(a)linutronix.de> Cc: Peter Zijlstra <peterz(a)infradead.org> Cc: Linus Torvalds <torvalds(a)linux-foundation.org> Cc: Ingo Molnar <mingo(a)kernel.org> Reported-by: Mark Rutland <mark.rutland(a)arm.com> Signed-off-by: Dan Williams <dan.j.williams(a)intel.com> --- arch/x86/include/asm/barrier.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h index 042b5e892ed1..41f7435c84a7 100644 --- a/arch/x86/include/asm/barrier.h +++ b/arch/x86/include/asm/barrier.h @@ -38,10 +38,11 @@ static inline unsigned long array_index_mask_nospec(unsigned long index, { unsigned long mask; - asm ("cmp %1,%2; sbb %0,%0;" + asm volatile ("cmp %1,%2; sbb %0,%0;" :"=r" (mask) :"g"(size),"r" (index) :"cc"); + barrier(); return mask; }

5 years, 11 months

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[PATCH] KVM: VMX: Expose SSBD properly to guests.

by Konrad Rzeszutek Wilk

The X86_FEATURE_SSBD is an synthetic CPU feature - that is it bit location has no relevance to the real CPUID 0x7.EBX[31] bit position. For that we need the new CPU feature name. Fixes: 52817587e706 ("x86/cpufeatures: Disentangle SSBD enumeration") CC: Paolo Bonzini <pbonzini(a)redhat.com> Cc: "Radim Krčmář" <rkrcmar(a)redhat.com> Cc: Thomas Gleixner <tglx(a)linutronix.de> Cc: Ingo Molnar <mingo(a)redhat.com> Cc: "H. Peter Anvin" <hpa(a)zytor.com> Cc: stable(a)vger.kernel.org Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk(a)oracle.com> --- arch/x86/kvm/cpuid.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index ced851169730..598461e24be3 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -407,8 +407,8 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, /* cpuid 7.0.edx*/ const u32 kvm_cpuid_7_0_edx_x86_features = - F(AVX512_4VNNIW) | F(AVX512_4FMAPS) | F(SPEC_CTRL) | F(SSBD) | - F(ARCH_CAPABILITIES); + F(AVX512_4VNNIW) | F(AVX512_4FMAPS) | F(SPEC_CTRL) | + F(SPEC_CTRL_SSBD) | F(ARCH_CAPABILITIES); /* all calls to cpuid_count() should be made on the same cpu */ get_cpu(); -- 2.13.4

5 years, 11 months

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[PATCH 4.16 000/272] 4.16.13-stable review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 4.16.13 release. There are 272 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Wed May 30 10:01:02 UTC 2018. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.16.13-rc… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.16.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 4.16.13-rc1 Deepak Rawat <drawat(a)vmware.com> drm/vmwgfx: Set dmabuf_size when vmw_dmabuf_init is successful Randy Dunlap <rdunlap(a)infradead.org> kdb: make "mdr" command repeat Jan Kundrát <jan.kundrat(a)cesnet.cz> pinctrl: mcp23s08: spi: Fix regmap debugfs entries Bjorn Andersson <bjorn.andersson(a)linaro.org> pinctrl: msm: Use dynamic GPIO numbering Christophe JAILLET <christophe.jaillet(a)wanadoo.fr> regulator: of: Add a missing 'of_node_put()' in an error handling path of 'of_regulator_match()' Laurent Pinchart <laurent.pinchart+renesas(a)ideasonboard.com> ARM: dts: porter: Fix HDMI output routing Aapo Vienamo <aapo(a)tuxera.com> ARM: dts: imx7d: cl-som-imx7: fix pinctrl_enet Filip Sadowski <filip.sadowski(a)intel.com> i40e: Add delay after EMP reset for firmware to recover Heiner Kallweit <hkallweit1(a)gmail.com> soc: amlogic: meson-gx-pwrc-vpu: fix error on shutdown when domain is powered off Charles Keepax <ckeepax(a)opensource.cirrus.com> regmap: Correct comparison in regmap_cached Peter Rosin <peda(a)axentia.se> ARM: dts: at91: tse850: use the correct compatible for the eeprom Peter Rosin <peda(a)axentia.se> ARM: dts: at91: nattis: use the correct compatible for the eeprom David Ahern <dsahern(a)gmail.com> selftests: Add FIB onlink tests Sergei Shtylyov <sergei.shtylyov(a)cogentembedded.com> drm: rcar-du: lvds: Fix LVDS startup on R-Car Gen2 Sergei Shtylyov <sergei.shtylyov(a)cogentembedded.com> drm: rcar-du: lvds: Fix LVDS startup on R-Car Gen3 Richard Haines <richard_c_haines(a)btinternet.com> netlabel: If PF_INET6, check sk_buff ip header version Dhinakaran Pandiyan <dhinakaran.pandiyan(a)intel.com> drm/vblank: Data type fixes for 64-bit vblank sequences. Prashant Bhole <bhole_prashant_q7(a)lab.ntt.co.jp> selftests/net: fixes psock_fanout eBPF test case Jiri Olsa <jolsa(a)kernel.org> perf tests: Fix dwarf unwind for stripped binaries Jiri Olsa <jolsa(a)redhat.com> perf report: Fix memory corruption in --branch-history mode --branch-history Jiri Olsa <jolsa(a)kernel.org> perf tests: Use arch__compare_symbol_names to compare symbols Jin Yao <yao.jin(a)linux.intel.com> perf report: Fix wrong jump arrow Thomas Richter <tmricht(a)linux.vnet.ibm.com> perf test: Fix test case inet_pton to accept inlines. Baoquan He <bhe(a)redhat.com> x86/apic: Set up through-local-APIC mode on the boot CPU if 'noapic' specified Ørjan Eide <orjan.eide(a)arm.com> drm/rockchip: Respect page offset for PRIME mmap calls Sergei Shtylyov <sergei.shtylyov(a)cogentembedded.com> soc: renesas: r8a77970-sysc: fix power area parents Joe Perches <joe(a)perches.com> MIPS: Octeon: Fix logging messages with spurious periods after newlines Jake Moroni <mail(a)jakemoroni.com> dpaa_eth: fix pause capability advertisement logic Tao <xtao(a)amd.com> drm/amd/display: Set vsc pack revision when DPCD revision is >= 1.2 Archit Taneja <architt(a)codeaurora.org> dt-bindings: display: msm/dsi: Fix the PHY regulator supply props Takeshi Kihara <takeshi.kihara.df(a)renesas.com> pinctrl: sh-pfc: r8a7796: Fix MOD_SEL register pin assignment for SSI pins group Tejun Heo <tj(a)kernel.org> rcu: Call touch_nmi_watchdog() while printing stall warnings Niklas Cassel <niklas.cassel(a)axis.com> net: stmmac: call correct function in stmmac_mac_config_rx_queues_routing() Richard Guy Briggs <rgb(a)redhat.com> audit: return on memory error to avoid null pointer dereference Stefan Wahren <stefan.wahren(a)i2se.com> hwrng: bcm2835 - Handle deferred clock properly Rafael J. Wysocki <rafael.j.wysocki(a)intel.com> PCMCIA / PM: Avoid noirq suspend aborts during suspend-to-idle Henry Zhang <henryzhang62(a)gmail.com> ARM: dts: bcm283x: Fix pin function of JTAG pins Stefan Wahren <stefan.wahren(a)i2se.com> ARM: dts: bcm283x: Fix probing of bcm2835-i2s Ladislav Michl <ladis(a)linux-mips.org> power: supply: ltc2941-battery-gauge: Fix temperature units Sergei Shtylyov <sergei.shtylyov(a)cogentembedded.com> sh_eth: fix TSU init on SH7734/R8A7740 Jacob Keller <jacob.e.keller(a)intel.com> ixgbe: prevent ptp_rx_hang from running when in FILTER_ALL mode Jan Kara <jack(a)suse.cz> fanotify: Avoid lost events due to ENOMEM for unlimited queues Jan Kara <jack(a)suse.cz> udf: Provide saner default for invalid uid / gid Thomas Vincent-Cross <me(a)tvc.id.au> PCI: Add function 1 DMA alias quirk for Marvell 88SE9220 Madalin Bucur <madalin.bucur(a)nxp.com> dpaa_eth: fix SG mapping Viresh Kumar <viresh.kumar(a)linaro.org> cpufreq: Reorder cpufreq_online() error code path Niklas Cassel <niklas.cassel(a)axis.com> net: stmmac: ensure that the MSS desc is the last desc to set the own bit Niklas Cassel <niklas.cassel(a)axis.com> net: stmmac: ensure that the device has released ownership before reading data Thomas Falcon <tlfalcon(a)linux.vnet.ibm.com> ibmvnic: Allocate statistics buffers during probe Monk Liu <Monk.Liu(a)amd.com> drm/amdgpu: adjust timeout for ib_ring_tests(v2) Monk Liu <Monk.Liu(a)amd.com> drm/amdgpu: disable GFX ring and disable PQ wptr in hw_fini Ravikumar Kattekola <rk(a)ti.com> ARM: dts: dra71-evm: Correct evm_sd regulator max voltage Laurent Pinchart <laurent.pinchart(a)ideasonboard.com> drm: omapdrm: dss: Move initialization code from component bind to probe Srinivas Kandagatla <srinivas.kandagatla(a)linaro.org> dmaengine: qcom: bam_dma: get num-channels and num-ees from dt Cornelia Huck <cohuck(a)redhat.com> vfio-ccw: fence off transport mode Niklas Cassel <niklas.cassel(a)axis.com> pinctrl: artpec6: dt: add missing pin group uart5nocts Richard Fitzgerald <rf(a)opensource.cirrus.com> pinctrl: devicetree: Fix dt_to_map_one_config handling of hogs lionel.debieve(a)st.com <lionel.debieve(a)st.com> hwrng: stm32 - add reset during probe Alexey Khoroshilov <khoroshilov(a)ispras.ru> watchdog: asm9260_wdt: fix error handling in asm9260_wdt_probe() Govindarajulu Varadarajan <gvaradar(a)cisco.com> enic: enable rq before updating rq descriptors Yoshihiro Shimoda <yoshihiro.shimoda.uh(a)renesas.com> dmaengine: rcar-dmac: Check the done lists in rcar_dmac_chan_get_residue() Christophe Leroy <christophe.leroy(a)c-s.fr> powerpc/mm/slice: Fix hugepage allocation at hint address on 8xx Christophe Leroy <christophe.leroy(a)c-s.fr> powerpc/mm/slice: Enhance for supporting PPC32 Christophe Leroy <christophe.leroy(a)c-s.fr> powerpc/mm/slice: create header files dedicated to slices Christophe Leroy <christophe.leroy(a)c-s.fr> powerpc/mm/slice: Remove intermediate bitmap copy Suman Anna <s-anna(a)ti.com> ARM: dts: keystone-k2e-clocks: Fix missing unit address separator Qi Hou <qi.hou(a)windriver.com> dmaengine: pl330: fix a race condition in case of threaded irqs Ming Lei <ming.lei(a)redhat.com> block: null_blk: fix 'Invalid parameters' when loading module Dexuan Cui <decui(a)microsoft.com> tools: hv: fix compiler warnings about major/target_fname Emily Deng <Emily.Deng(a)amd.com> drm/amdgpu: Clean sdma wptr register when only enable wptr polling Linus Walleij <linus.walleij(a)linaro.org> drm/bridge: sii902x: Retry status read after DDI I2C Vivek Gautam <vivek.gautam(a)codeaurora.org> phy: qcom-qmp: Fix phy pipe clock gating Takashi Iwai <tiwai(a)suse.de> ALSA: vmaster: Propagate slave error Shawn Lin <shawn.lin(a)rock-chips.com> phy: rockchip-emmc: retry calpad busy trimming Ivan Gorinov <ivan.gorinov(a)intel.com> x86/devicetree: Fix device IRQ settings in DT Ivan Gorinov <ivan.gorinov(a)intel.com> x86/devicetree: Initialize device tree before using it Andreas Gruenbacher <agruenba(a)redhat.com> gfs2: Fix fallocate chunk size Bjorn Andersson <bjorn.andersson(a)linaro.org> soc: qcom: wcnss_ctrl: Fix increment in NV upload Ilia Lin <ilialin(a)codeaurora.org> arm64: dts: qcom: Fix SPI5 config on MSM8996 Kan Liang <kan.liang(a)linux.intel.com> perf/x86/intel: Fix event update for auto-reload Kan Liang <kan.liang(a)linux.intel.com> perf/x86/intel: Fix large period handling on Broadwell CPUs Mark Rutland <mark.rutland(a)arm.com> efi/arm*: Only register page tables when they exist Maurizio Lombardi <mlombard(a)redhat.com> cdrom: do not call check_disk_change() inside cdrom_open() Kan Liang <kan.liang(a)linux.intel.com> perf/x86/intel: Properly save/restore the PMU state in the NMI handler Guenter Roeck <linux(a)roeck-us.net> hwmon: (pmbus/adm1275) Accept negative page register values Guenter Roeck <linux(a)roeck-us.net> hwmon: (pmbus/max8688) Accept negative page register values Eric Anholt <eric(a)anholt.net> drm/panel: simple: Fix the bus format for the Ontat panel Peter Zijlstra <peterz(a)infradead.org> perf/core: Fix perf_output_read_group() Pierre Bourdon <delroth(a)google.com> max17042: propagate of_node to power supply device leilei.lin <leilei.lin(a)alibaba-inc.com> perf/core: Fix installing cgroup events on CPU Chao Yu <yuchao0(a)huawei.com> f2fs: fix to check extent cache in f2fs_drop_extent_tree Chao Yu <yuchao0(a)huawei.com> f2fs: fix to clear CP_TRIMMED_FLAG Chao Yu <yuchao0(a)huawei.com> f2fs: fix to set KEEP_SIZE bit in f2fs_zero_range Vaibhav Jain <vaibhav(a)linux.vnet.ibm.com> cxl: Check if PSL data-cache is available before issue flush request Gao Xiang <hsiangkao(a)aol.com> f2fs: flush cp pack except cp pack 2 page at first Alistair Popple <alistair(a)popple.id.au> powerpc/powernv/npu: Fix deadlock in mmio_invalidate() Mathieu Malaterre <malat(a)debian.org> powerpc: Add missing prototype for arch_irq_work_raise() Christophe JAILLET <christophe.jaillet(a)wanadoo.fr> drm/meson: Fix an un-handled error path in 'meson_drv_bind_master()' Christophe JAILLET <christophe.jaillet(a)wanadoo.fr> drm/meson: Fix some error handling paths in 'meson_drv_bind_master()' Kamlakant Patel <kamlakant.patel(a)cavium.com> ipmi_ssif: Fix kernel panic at msg_done_handler Milton Miller <miltonm(a)us.ibm.com> watchdog: aspeed: Fix translation of reset mode to ctrl register Brian Norris <briannorris(a)chromium.org> watchdog: dw: RMW the control register Alexey Khoroshilov <khoroshilov(a)ispras.ru> watchdog: sprd_wdt: Fix error handling in sprd_wdt_enable() Rafael J. Wysocki <rjw(a)rjwysocki.net> PCI: Restore config space on runtime resume despite being unbound Sukadev Bhattiprolu <sukadev(a)linux.vnet.ibm.com> powerpc/vas: Fix cleanup when VAS is not configured Mathias Kresin <dev(a)kresin.me> MIPS: ath79: Fix AR724X_PLL_REG_PCIE_CONFIG offset Ursula Braun <ubraun(a)linux.vnet.ibm.com> net/smc: pay attention to MAX_ORDER for CQ entries Christophe Jaillet <christophe.jaillet(a)wanadoo.fr> spi: bcm-qspi: fIX some error handling paths Christophe Jaillet <christophe.jaillet(a)wanadoo.fr> regulator: gpio: Fix some error handling paths in 'gpio_regulator_probe()' John Allen <jallen(a)linux.vnet.ibm.com> ibmvnic: Fix reset return from closed state Leo Yan <leo.yan(a)linaro.org> coresight: Use %px to print pcsr instead of %p Oded Gabbay <oded.gabbay(a)gmail.com> drm/amdkfd: add missing include of mm.h Parav Pandit <parav(a)mellanox.com> IB/core: Honor port_num while resolving GID for IB link layer Thomas Richter <tmricht(a)linux.vnet.ibm.com> perf stat: Fix core dump when flag T is used Yisheng Xie <xieyisheng1(a)huawei.com> perf top: Fix top.call-graph config option reading Vitaly Kuznetsov <vkuznets(a)redhat.com> KVM: lapic: stop advertising DIRECTED_EOI when in-kernel IOAPIC is in use Gregory CLEMENT <gregory.clement(a)bootlin.com> i2c: mv64xxx: Apply errata delay only in standard mode Arjun Vynipadath <arjun(a)chelsio.com> cxgb4: Fix queue free path of ULD drivers Seunghun Han <kkamagui(a)gmail.com> ACPICA: acpi: acpica: fix acpi operand cache leak in nseval.c Coly Li <colyli(a)suse.de> bcache: stop dc->writeback_rate_update properly Bob Moore <robert.moore(a)intel.com> ACPICA: Fix memory leak on unusual memory leak Erik Schmauss <erik.schmauss(a)intel.com> ACPICA: Events: add a return on failure from acpi_hw_register_read Coly Li <colyli(a)suse.de> bcache: fix cached_dev->count usage for bch_cache_set_error() Icenowy Zheng <icenowy(a)aosc.io> dt-bindings: add device tree binding for Allwinner H6 main CCU Christophe JAILLET <christophe.jaillet(a)wanadoo.fr> remoteproc: imx_rproc: Fix an error handling path in 'imx_rproc_probe()' Coly Li <colyli(a)suse.de> bcache: quit dc->writeback_thread when BCACHE_DEV_DETACHING is set Michael Schmitz <schmitzmic(a)gmail.com> zorro: Set up z->dev.dma_mask for the DMA API Honggang Li <honli(a)redhat.com> IB/mlx5: Set the default active rate and width to QDR and 4X Luis R. Rodriguez <mcgrof(a)kernel.org> firmware: fix checking for return values for fw_add_devm_name() Chunyu Hu <chuhu(a)redhat.com> cpufreq: cppc_cpufreq: Fix cppc_cpufreq_init() failure path Yong Wu <yong.wu(a)mediatek.com> iommu/mediatek: Fix protect memory setting Thomas Hellstrom <thellstrom(a)vmware.com> drm/vmwgfx: Unpin the screen object backup buffer when not used Eric Sandeen <sandeen(a)redhat.com> ext4: don't complain about incorrect features when probing Mimi Zohar <zohar(a)linux.vnet.ibm.com> ima: clear IMA_HASH Philipp Puschmann <pp(a)emlix.com> arm: dts: socfpga: fix GIC PPI warning Jay Vosburgh <jay.vosburgh(a)canonical.com> virtio-net: Fix operstate for virtio when no VIRTIO_NET_F_STATUS Andreas Gruenbacher <agruenba(a)redhat.com> gfs2: Check for the end of metadata in punch_hole Milton Miller <miltonm(a)us.ibm.com> watchdog: aspeed: Allow configuring for alternate boot Petr Vorel <pvorel(a)suse.cz> ima: Fallback to the builtin hash algorithm Jiandi An <anjiandi(a)codeaurora.org> ima: Fix Kconfig to select TPM 2.0 CRB interface Haiyang Zhang <haiyangz(a)microsoft.com> hv_netvsc: Fix the return status in RX path Arjun Vynipadath <arjun(a)chelsio.com> cxgb4: Setup FW queues before registering netdev Anand Jain <anand.jain(a)oracle.com> btrfs: fix null pointer deref when target device is missing Sebastian Gottschall <s.gottschall(a)dd-wrt.com> ath9k: fix crash in spectral scan Jarosław Janik <jaroslaw.janik(a)gmail.com> nvme-pci: disable APST for Samsung NVMe SSD 960 EVO + ASUS PRIME Z370-A James Smart <jsmart2021(a)gmail.com> nvme_fc: fix abort race on teardown with lld reject Karthikeyan Periyasamy <periyasa(a)codeaurora.org> ath10k: Fix kernel panic while using worker (ath10k_sta_rc_update_wk) Colin Ian King <colin.king(a)canonical.com> net: qualcomm: rmnet: check for null ep to avoid null pointer dereference Fuyun Liang <liangfuyun1(a)huawei.com> net: hns3: fix for returning wrong value problem in hns3_get_rss_key_size Fuyun Liang <liangfuyun1(a)huawei.com> net: hns3: fix for returning wrong value problem in hns3_get_rss_indir_size Fuyun Liang <liangfuyun1(a)huawei.com> net: hns3: fix for the wrong shift problem in hns3_set_txbd_baseinfo Alexey Khoroshilov <khoroshilov(a)ispras.ru> watchdog: davinci_wdt: fix error handling in davinci_wdt_probe() Leon Romanovsky <leonro(a)mellanox.com> net/mlx5: Protect from command bit overflow Jacob Keller <jacob.e.keller(a)intel.com> i40e: hold the RTNL lock while changing interrupt schemes Michael Ellerman <mpe(a)ellerman.id.au> selftests: Print the test we're running to /dev/kmsg Frank Asseg <frank.asseg(a)objecthunter.net> tools/thermal: tmon: fix for segfault Amitkumar Karwar <amit.karwar(a)redpinesignals.com> rsi: fix kernel panic observed on 64bit machine Michael Ellerman <mpe(a)ellerman.id.au> powerpc/perf: Fix kernel address leak via sampling registers Madhavan Srinivasan <maddy(a)linux.vnet.ibm.com> powerpc/perf: Prevent kernel address leak to userspace via BHRB buffer Lorenzo Bianconi <lorenzo.bianconi(a)redhat.com> mt76x2: fix warning in ieee80211_get_key_rx_seq() Lorenzo Bianconi <lorenzo.bianconi(a)redhat.com> mt76x2: fix possible NULL pointer dereferencing in mt76x2_tx() Guenter Roeck <linux(a)roeck-us.net> hwmon: (nct6775) Fix writing pwmX_mode Kan Liang <kan.liang(a)linux.intel.com> perf mmap: Fix accessing unmapped mmap in perf_mmap__read_done() Helge Deller <deller(a)gmx.de> parisc/pci: Switch LBA PCI bus from Hard Fail to Soft Fail mode Eran Ben Elisha <eranbe(a)mellanox.com> net/mlx5e: Move all TX timeout logic to be under state lock Sara Sharon <sara.sharon(a)intel.com> iwlwifi: mvm: take RCU lock before dereferencing Luca Coelho <luciano.coelho(a)intel.com> iwlwifi: mvm: check if mac80211_queue is valid in iwl_mvm_disable_txq Greg Ungerer <gerg(a)linux-m68k.org> m68k: set dma and coherent masks for platform FEC ethernets Alexander Shishkin <alexander.shishkin(a)linux.intel.com> intel_th: Use correct method of finding hub Sebastian Andrzej Siewior <bigeasy(a)linutronix.de> iommu/amd: Take into account that alloc_dev_data() may return NULL Anilkumar Kolli <akolli(a)codeaurora.org> ath10k: advertize beacon_int_min_gcd Harry Morris <h.morris(a)cascoda.com> ieee802154: ca8210: fix uninitialised data read Michael Ellerman <mpe(a)ellerman.id.au> powerpc/mpic: Check if cpu_possible() in mpic_physmask() Lenny Szubowicz <lszubowi(a)redhat.com> ACPI: acpi_pad: Fix memory leak in power saving threads Aaro Koskinen <aaro.koskinen(a)iki.fi> drivers: macintosh: rack-meter: really fix bogus memsets Dan Carpenter <dan.carpenter(a)oracle.com> xen/acpi: off by one in read_acpi_id() David Howells <dhowells(a)redhat.com> rxrpc: Don't treat call aborts as conn aborts David Howells <dhowells(a)redhat.com> rxrpc: Fix Tx ring annotation after initial Tx failure Marc Dionne <marc.dionne(a)auristor.com> rxrpc: Fix resend event time calculation Qu Wenruo <wqu(a)suse.com> btrfs: qgroup: Fix root item corruption when multiple same source snapshots are created with quota enabled Jeff Mahoney <jeffm(a)suse.com> btrfs: fix lockdep splat in btrfs_alloc_subvolume_writers Filipe Manana <fdmanana(a)suse.com> Btrfs: fix copy_items() return value when logging an inode Qu Wenruo <wqu(a)suse.com> btrfs: tests/qgroup: Fix wrong tree backref level Nicholas Piggin <npiggin(a)gmail.com> powerpc/64s: sreset panic if there is no debugger or crash dump handlers Scott Branden <scott.branden(a)broadcom.com> bnxt_en: fix clear flags in ethtool reset handling Florian Fainelli <f.fainelli(a)gmail.com> net: bgmac: Correctly annotate register space Florian Fainelli <f.fainelli(a)gmail.com> net: bgmac: Fix endian access in bgmac_dma_tx_ring_free() Dan Carpenter <dan.carpenter(a)oracle.com> platform/x86: dell-smbios: Fix memory leaks in build_tokens_sysfs() Andrea Parri <parri.andrea(a)gmail.com> riscv/spinlock: Strengthen implementations with fences David S. Miller <davem(a)davemloft.net> sparc64: Make atomic_xchg() an inline function rather than a macro. Geert Uytterhoeven <geert+renesas(a)glider.be> dmaengine: rcar-dmac: Fix too early/late system suspend/resume callbacks David Howells <dhowells(a)redhat.com> fscache: Fix hanging wait on page discarded by writeback Alexander Graf <agraf(a)suse.de> lan78xx: Connect phy early Sean Christopherson <sean.j.christopherson(a)intel.com> KVM: VMX: raise internal error for exception during invalid protected mode state Sai Praneeth <sai.praneeth.prakhya(a)intel.com> x86/mm: Fix bogus warning during EFI bootup, use boot_cpu_has() instead of this_cpu_has() in build_cr3_noflush() Davidlohr Bueso <dave(a)stgolabs.net> sched/rt: Fix rq->clock_update_flags < RQCF_ACT_SKIP warning Nicholas Piggin <npiggin(a)gmail.com> powerpc/64s/idle: Fix restore of AMOR on POWER9 after deep sleep Jun Piao <piaojun(a)huawei.com> ocfs2/dlm: don't handle migrate lockres if already in shutdown Mikhail Malygin <mikhail(a)malygin.me> IB/rxe: Fix for oops in rxe_register_device on ppc64le arch Nikolay Borisov <nborisov(a)suse.com> btrfs: Fix possible softlock on single core machines Liu Bo <bo.liu(a)linux.alibaba.com> Btrfs: fix NULL pointer dereference in log_dir_items Liu Bo <bo.liu(a)linux.alibaba.com> Btrfs: bail out on error during replay_dir_deletes Yang Shi <yang.shi(a)linux.alibaba.com> mm: thp: fix potential clearing to referenced flag in page_idle_clear_pte_refs_one() Huang Ying <ying.huang(a)intel.com> mm: fix races between address_space dereference and free in page_evicatable Claudio Imbrenda <imbrenda(a)linux.vnet.ibm.com> mm/ksm: fix interaction with THP Thomas Gleixner <tglx(a)linutronix.de> genirq/affinity: Don't return with empty affinity masks on error Thomas Falcon <tlfalcon(a)linux.vnet.ibm.com> ibmvnic: Zero used TX descriptor counter on reset Esben Haabendal <eha(a)deif.com> dp83640: Ensure against premature access to PHY registers after reset Sandipan Das <sandipan(a)linux.vnet.ibm.com> perf clang: Add support for recent clang versions Sandipan Das <sandipan(a)linux.vnet.ibm.com> perf tools: Fix perf builds with clang support Anshuman Khandual <khandual(a)linux.vnet.ibm.com> powerpc/fscr: Enable interrupts earlier before calling get_user() Shunyong Yang <shunyong.yang(a)hxt-semitech.com> cpufreq: CPPC: Initialize shared perf capabilities of CPUs Carlos Maiolino <cmaiolino(a)redhat.com> Force log to disk before reading the AGF during a fstrim Jens Axboe <axboe(a)kernel.dk> sr: get/drop reference to device in revalidate and check_events Xidong Wang <wangxidong_97(a)163.com> z3fold: fix memory leak Tom Abraham <tabraham(a)suse.com> swap: divide-by-zero when zero length swap file on ssd Andrey Konovalov <andreyknvl(a)google.com> kasan, slub: fix handling of kasan_slab_free hook Andrey Konovalov <andreyknvl(a)google.com> kasan: fix invalid-free test crashing the kernel Danilo Krummrich <danilokrummrich(a)dk-develop.de> fs/proc/proc_sysctl.c: fix potential page fault while unregistering sysctl table James Smart <jsmart2021(a)gmail.com> nvme: expand nvmf_check_if_ready checks Sriharsha Basavapatna <sriharsha.basavapatna(a)broadcom.com> bnxt_en: Ignore src port field in decap filter nodes Dave Hansen <dave.hansen(a)linux.intel.com> x86/mm: Do not forbid _PAGE_RW before init for __ro_after_init Joerg Roedel <joro(a)8bytes.org> x86/pgtable: Don't set huge PUD/PMD on non-leaf entries Filipe Manana <fdmanana(a)suse.com> Btrfs: fix loss of prealloc extents past i_size after fsync log replay Liu Bo <bo.liu(a)linux.alibaba.com> Btrfs: clean up resources during umount after trans is aborted Johannes Thumshirn <jthumshirn(a)suse.de> nvme: don't send keep-alives to the discovery controller Jean Delvare <jdelvare(a)suse.de> firmware: dmi_scan: Fix UUID length safety check Rich Felker <dalias(a)libc.org> sh: fix debug trap failure to process signals before return to user Pascal Roeleven <dev(a)pascalroeleven.nl> ARM: dts: sun4i: Fix incorrect clocks for displays David Vrabel <david.vrabel(a)nutanix.com> x86/kvm: fix LAPIC timer drift when guest uses periodic mode Jim Mattson <jmattson(a)google.com> kvm: x86: IA32_ARCH_CAPABILITIES is always supported Wei Huang <wei(a)redhat.com> KVM: x86: Update cpuid properly when CR4.OSXAVE or CR4.PKE is changed David Hildenbrand <david(a)redhat.com> KVM: s390: vsie: fix < 8k check for the itdba Konrad Rzeszutek Wilk <konrad.wilk(a)oracle.com> KVM/VMX: Expose SSBD properly to guests Rafael J. Wysocki <rafael.j.wysocki(a)intel.com> PM / core: Fix direct_complete handling for devices with no callbacks Gustavo A. R. Silva <gustavo(a)embeddedor.com> kernel/sys.c: fix potential Spectre v1 issue David Hildenbrand <david(a)redhat.com> kasan: fix memory hotplug during boot David Hildenbrand <david(a)redhat.com> kasan: free allocated shadow memory on MEM_CANCEL_ONLINE Andrey Ryabinin <aryabinin(a)virtuozzo.com> mm/kasan: don't vfree() nonexistent vm_area Davidlohr Bueso <dave(a)stgolabs.net> ipc/shm: fix shmat() nil address after round-down when remapping Davidlohr Bueso <dave(a)stgolabs.net> Revert "ipc/shm: Fix shmat mmap nil-page protection" Matthew Wilcox <mawilcox(a)microsoft.com> idr: fix invalid ptr dereference on item delete Rafał Miłecki <rafal(a)milecki.pl> bcma: fix buffer size caused crash in bcma_core_mips_print_irq() Jens Axboe <axboe(a)kernel.dk> sr: pass down correctly sized SCSI sense buffer Lidong Chen <jemmy858585(a)gmail.com> IB/umem: Use the correct mm during ib_umem_release Michael J. Ruhl <michael.j.ruhl(a)intel.com> IB/hfi1: Use after free race condition in send context error path Michael Neuling <mikey(a)neuling.org> powerpc/64s: Clear PCR on boot Jason A. Donenfeld <Jason(a)zx2c4.com> arm64: export tishift functions to modules Will Deacon <will.deacon(a)arm.com> arm64: lse: Add early clobbers to some input/output asm operands Thomas Hellstrom <thellstrom(a)vmware.com> drm/vmwgfx: Fix 32-bit VMW_PORT_HB_[IN|OUT] macros Joe Jin <joe.jin(a)oracle.com> xen-swiotlb: fix the check condition for xen_swiotlb_free_coherent Sudip Mukherjee <sudipm.mukherjee(a)gmail.com> libata: blacklist Micron 500IT SSD with MU01 firmware Tejun Heo <tj(a)kernel.org> libata: Blacklist some Sandisk SSDs for NCQ Mika Westerberg <mika.westerberg(a)linux.intel.com> ahci: Add PCI ID for Cannon Lake PCH-LP AHCI Corneliu Doban <corneliu.doban(a)broadcom.com> mmc: sdhci-iproc: add SDHCI_QUIRK2_HOST_OFF_CARD_ON for cygnus Corneliu Doban <corneliu.doban(a)broadcom.com> mmc: sdhci-iproc: fix 32bit writes for TRANSFER_MODE register Srinath Mannam <srinath.mannam(a)broadcom.com> mmc: sdhci-iproc: remove hard coded mmc cap 1.8v Mathieu Malaterre <malat(a)debian.org> mmc: block: propagate correct returned value in mmc_rpmb_ioctl Al Viro <viro(a)zeniv.linux.org.uk> do d_instantiate/unlock_new_inode combinations safely Ben Hutchings <ben.hutchings(a)codethink.co.uk> ALSA: timer: Fix pause event notification Omar Sandoval <osandov(a)fb.com> Btrfs: fix error handling in btrfs_truncate() Al Viro <viro(a)zeniv.linux.org.uk> aio: fix io_destroy(2) vs. lookup_ioctx() race Dave Chinner <dchinner(a)redhat.com> fs: don't scan the inode cache before SB_BORN is set Al Viro <viro(a)zeniv.linux.org.uk> fix breakage caused by d_find_alias() semantics change Al Viro <viro(a)zeniv.linux.org.uk> affs_lookup(): close a race with affs_remove_link() Colin Ian King <colin.king(a)canonical.com> KVM: Fix spelling mistake: "cop_unsuable" -> "cop_unusable" Maciej W. Rozycki <macro(a)mips.com> MIPS: Fix ptrace(2) PTRACE_PEEKUSR and PTRACE_POKEUSR accesses to o32 FGRs Maciej W. Rozycki <macro(a)mips.com> MIPS: ptrace: Expose FIR register through FP regset Paul Cercueil <paul(a)crapouillou.net> MIPS: Fix build with DEBUG_ZBOOT and MACH_JZ4770 NeilBrown <neil(a)brown.name> MIPS: c-r4k: Fix data corruption related to cache coherence Alexandre Belloni <alexandre.belloni(a)bootlin.com> MIPS: xilfpga: Actually include FDT in fitImage Alexandre Belloni <alexandre.belloni(a)bootlin.com> MIPS: xilfpga: Stop generating useless dtb.o ------------- Diffstat: .../devicetree/bindings/clock/sunxi-ccu.txt | 4 + .../devicetree/bindings/display/msm/dsi.txt | 4 + .../bindings/pinctrl/axis,artpec6-pinctrl.txt | 5 +- Makefile | 4 +- arch/arm/boot/dts/at91-nattis-2-natte-2.dts | 2 +- arch/arm/boot/dts/at91-tse850-3.dts | 2 +- arch/arm/boot/dts/bcm283x.dtsi | 6 +- arch/arm/boot/dts/dra71-evm.dts | 4 +- arch/arm/boot/dts/imx7d-cl-som-imx7.dts | 52 +-- arch/arm/boot/dts/keystone-k2e-clocks.dtsi | 2 +- arch/arm/boot/dts/r8a7791-porter.dts | 2 +- arch/arm/boot/dts/socfpga.dtsi | 2 +- arch/arm/boot/dts/sun4i-a10.dtsi | 6 +- arch/arm64/boot/dts/qcom/msm8996.dtsi | 4 +- arch/arm64/include/asm/atomic_lse.h | 24 +- arch/arm64/kernel/arm64ksyms.c | 8 + arch/arm64/lib/tishift.S | 15 +- arch/m68k/coldfire/device.c | 12 +- arch/mips/boot/compressed/uart-16550.c | 6 +- arch/mips/boot/dts/xilfpga/Makefile | 2 - arch/mips/cavium-octeon/octeon-irq.c | 10 +- arch/mips/generic/Platform | 1 + arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 2 +- arch/mips/kernel/ptrace.c | 22 +- arch/mips/kernel/ptrace32.c | 4 +- arch/mips/kvm/mips.c | 2 +- arch/mips/mm/c-r4k.c | 9 +- arch/powerpc/include/asm/book3s/64/slice.h | 27 ++ arch/powerpc/include/asm/irq_work.h | 1 + arch/powerpc/include/asm/mmu-8xx.h | 6 + arch/powerpc/include/asm/nohash/32/slice.h | 18 + arch/powerpc/include/asm/nohash/64/slice.h | 12 + arch/powerpc/include/asm/page.h | 1 + arch/powerpc/include/asm/page_64.h | 59 ---- arch/powerpc/include/asm/slice.h | 42 +++ arch/powerpc/kernel/cpu_setup_power.S | 6 + arch/powerpc/kernel/dt_cpu_ftrs.c | 1 + arch/powerpc/kernel/idle_book3s.S | 2 + arch/powerpc/kernel/setup-common.c | 2 + arch/powerpc/kernel/traps.c | 47 ++- arch/powerpc/mm/8xx_mmu.c | 2 +- arch/powerpc/mm/hugetlbpage.c | 2 + arch/powerpc/mm/mmu_context_nohash.c | 18 +- arch/powerpc/mm/slice.c | 49 ++- arch/powerpc/perf/core-book3s.c | 25 ++ arch/powerpc/platforms/Kconfig.cputype | 1 + arch/powerpc/platforms/powernv/npu-dma.c | 229 ++++++++----- arch/powerpc/platforms/powernv/vas-debug.c | 11 + arch/powerpc/platforms/powernv/vas.c | 6 +- arch/powerpc/sysdev/mpic.c | 2 +- arch/riscv/include/asm/fence.h | 12 + arch/riscv/include/asm/spinlock.h | 29 +- arch/s390/kvm/vsie.c | 2 +- arch/sh/kernel/entry-common.S | 2 +- arch/sparc/include/asm/atomic_64.h | 6 +- arch/x86/events/core.c | 15 +- arch/x86/events/intel/core.c | 12 +- arch/x86/events/intel/ds.c | 92 ++++- arch/x86/events/perf_event.h | 2 +- arch/x86/include/asm/tlbflush.h | 7 +- arch/x86/kernel/apic/apic.c | 2 +- arch/x86/kernel/devicetree.c | 21 +- arch/x86/kvm/cpuid.c | 9 +- arch/x86/kvm/lapic.c | 26 +- arch/x86/kvm/vmx.c | 20 +- arch/x86/kvm/x86.c | 5 +- arch/x86/mm/pageattr.c | 6 +- arch/x86/mm/pgtable.c | 9 + drivers/acpi/acpi_pad.c | 3 + drivers/acpi/acpica/evevent.c | 9 +- drivers/acpi/acpica/nseval.c | 8 + drivers/acpi/acpica/psargs.c | 4 + drivers/ata/ahci.c | 1 + drivers/ata/libata-core.c | 6 + drivers/base/firmware_class.c | 12 +- drivers/base/power/main.c | 7 +- drivers/base/regmap/regmap.c | 2 +- drivers/bcma/driver_mips.c | 2 +- drivers/block/null_blk.c | 46 +-- drivers/block/paride/pcd.c | 2 + drivers/cdrom/cdrom.c | 3 - drivers/cdrom/gdrom.c | 3 + drivers/char/hw_random/bcm2835-rng.c | 2 + drivers/char/hw_random/stm32-rng.c | 9 + drivers/char/ipmi/ipmi_ssif.c | 4 +- drivers/cpufreq/cppc_cpufreq.c | 23 +- drivers/cpufreq/cpufreq.c | 6 +- drivers/dma/pl330.c | 6 +- drivers/dma/qcom/bam_dma.c | 27 +- drivers/dma/sh/rcar-dmac.c | 13 +- drivers/firmware/dmi_scan.c | 2 +- drivers/firmware/efi/arm-runtime.c | 3 + drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 33 +- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 8 +- drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 7 +- drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 4 +- drivers/gpu/drm/bridge/sii902x.c | 20 +- drivers/gpu/drm/drm_vblank.c | 8 +- drivers/gpu/drm/meson/meson_drv.c | 29 +- drivers/gpu/drm/omapdrm/dss/dss.c | 193 ++++++----- drivers/gpu/drm/panel/panel-simple.c | 2 +- drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c | 18 +- drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 7 +- drivers/gpu/drm/vmwgfx/vmwgfx_msg.h | 25 +- drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c | 31 +- drivers/hwmon/nct6775.c | 10 +- drivers/hwmon/pmbus/adm1275.c | 4 +- drivers/hwmon/pmbus/max8688.c | 2 +- drivers/hwtracing/coresight/coresight-cpu-debug.c | 2 +- drivers/hwtracing/intel_th/core.c | 2 +- drivers/i2c/busses/i2c-mv64xxx.c | 8 +- drivers/ide/ide-cd.c | 2 + drivers/infiniband/core/multicast.c | 26 +- drivers/infiniband/core/umem.c | 7 +- drivers/infiniband/hw/hfi1/chip.c | 4 + drivers/infiniband/hw/mlx5/main.c | 3 + drivers/infiniband/sw/rxe/rxe_verbs.c | 2 +- drivers/iommu/amd_iommu.c | 2 + drivers/iommu/mtk_iommu.c | 15 +- drivers/iommu/mtk_iommu.h | 1 + drivers/macintosh/rack-meter.c | 4 +- drivers/md/bcache/bcache.h | 9 +- drivers/md/bcache/super.c | 39 ++- drivers/md/bcache/sysfs.c | 3 +- drivers/md/bcache/writeback.c | 60 +++- drivers/md/bcache/writeback.h | 2 - drivers/misc/cxl/cxl.h | 4 + drivers/misc/cxl/native.c | 11 +- drivers/misc/cxl/pci.c | 19 +- drivers/mmc/core/block.c | 2 +- drivers/mmc/host/sdhci-iproc.c | 33 +- drivers/net/ethernet/broadcom/bgmac.c | 3 +- drivers/net/ethernet/broadcom/bgmac.h | 6 +- drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 8 +- drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c | 4 +- drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 11 +- drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c | 1 + drivers/net/ethernet/cisco/enic/enic_main.c | 10 +- drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 23 +- drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c | 2 +- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 2 +- drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 4 +- drivers/net/ethernet/ibm/ibmvnic.c | 30 +- drivers/net/ethernet/intel/i40e/i40e_main.c | 30 +- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 3 +- drivers/net/ethernet/mellanox/mlx5/core/cmd.c | 2 +- drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 61 ++-- drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c | 2 + drivers/net/ethernet/renesas/sh_eth.c | 6 +- drivers/net/ethernet/renesas/sh_eth.h | 1 + drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 16 +- drivers/net/hyperv/netvsc.c | 8 +- drivers/net/hyperv/netvsc_drv.c | 2 +- drivers/net/hyperv/rndis_filter.c | 4 +- drivers/net/ieee802154/ca8210.c | 14 +- drivers/net/phy/dp83640.c | 18 + drivers/net/usb/lan78xx.c | 34 +- drivers/net/virtio_net.c | 2 +- drivers/net/wireless/ath/ath10k/mac.c | 12 + drivers/net/wireless/ath/ath9k/common-spectral.c | 12 +- drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c | 6 +- drivers/net/wireless/intel/iwlwifi/mvm/utils.c | 11 +- drivers/net/wireless/mediatek/mt76/mt76x2_main.c | 11 + drivers/net/wireless/mediatek/mt76/mt76x2_tx.c | 5 +- drivers/net/wireless/rsi/rsi_91x_sdio.c | 32 +- drivers/net/wireless/rsi/rsi_sdio.h | 2 + drivers/nvme/host/core.c | 17 +- drivers/nvme/host/fabrics.c | 83 ++++- drivers/nvme/host/fabrics.h | 33 +- drivers/nvme/host/fc.c | 17 +- drivers/nvme/host/nvme.h | 1 + drivers/nvme/host/pci.c | 7 +- drivers/nvme/host/rdma.c | 14 +- drivers/nvme/target/loop.c | 11 +- drivers/parisc/lba_pci.c | 20 +- drivers/pci/pci-driver.c | 17 +- drivers/pci/quirks.c | 3 + drivers/pcmcia/cs.c | 10 +- drivers/pcmcia/cs_internal.h | 1 + drivers/phy/qualcomm/phy-qcom-qmp.c | 4 +- drivers/phy/rockchip/phy-rockchip-emmc.c | 27 +- drivers/pinctrl/devicetree.c | 6 +- drivers/pinctrl/pinctrl-mcp23s08.c | 37 +- drivers/pinctrl/qcom/pinctrl-msm.c | 2 +- drivers/pinctrl/sh-pfc/pfc-r8a7796.c | 40 +-- drivers/platform/x86/dell-smbios-base.c | 4 +- drivers/power/supply/ltc2941-battery-gauge.c | 8 +- drivers/power/supply/max17042_battery.c | 1 + drivers/regulator/gpio-regulator.c | 16 +- drivers/regulator/of_regulator.c | 1 + drivers/remoteproc/imx_rproc.c | 6 +- drivers/s390/cio/vfio_ccw_fsm.c | 5 + drivers/scsi/sr.c | 21 +- drivers/scsi/sr_ioctl.c | 10 +- drivers/soc/amlogic/meson-gx-pwrc-vpu.c | 6 +- drivers/soc/qcom/wcnss_ctrl.c | 2 +- drivers/soc/renesas/r8a77970-sysc.c | 12 +- drivers/spi/spi-bcm-qspi.c | 4 +- drivers/watchdog/asm9260_wdt.c | 8 +- drivers/watchdog/aspeed_wdt.c | 13 +- drivers/watchdog/davinci_wdt.c | 15 +- drivers/watchdog/dw_wdt.c | 23 +- drivers/watchdog/sprd_wdt.c | 4 +- drivers/xen/swiotlb-xen.c | 2 +- drivers/xen/xen-acpi-processor.c | 6 +- drivers/zorro/zorro.c | 12 + fs/affs/namei.c | 10 +- fs/aio.c | 4 +- fs/btrfs/dev-replace.c | 2 +- fs/btrfs/disk-io.c | 5 +- fs/btrfs/extent-tree.c | 1 + fs/btrfs/inode.c | 19 +- fs/btrfs/tests/qgroup-tests.c | 2 +- fs/btrfs/transaction.c | 10 +- fs/btrfs/tree-log.c | 75 ++++- fs/dcache.c | 22 ++ fs/ecryptfs/inode.c | 3 +- fs/ext2/namei.c | 6 +- fs/ext4/namei.c | 6 +- fs/ext4/super.c | 12 + fs/f2fs/checkpoint.c | 71 ++-- fs/f2fs/extent_cache.c | 3 + fs/f2fs/file.c | 8 +- fs/f2fs/namei.c | 12 +- fs/fscache/page.c | 13 +- fs/gfs2/bmap.c | 10 +- fs/gfs2/file.c | 5 +- fs/gfs2/quota.h | 2 + fs/jffs2/dir.c | 12 +- fs/jfs/namei.c | 12 +- fs/nilfs2/namei.c | 6 +- fs/notify/fanotify/fanotify.c | 19 +- fs/notify/fanotify/fanotify.h | 3 +- fs/notify/fanotify/fanotify_user.c | 2 +- fs/ocfs2/dlm/dlmdomain.c | 14 - fs/ocfs2/dlm/dlmdomain.h | 25 +- fs/ocfs2/dlm/dlmrecovery.c | 9 + fs/orangefs/namei.c | 9 +- fs/proc/proc_sysctl.c | 3 + fs/reiserfs/namei.c | 12 +- fs/super.c | 30 +- fs/udf/namei.c | 6 +- fs/udf/super.c | 5 +- fs/ufs/namei.c | 6 +- fs/xfs/xfs_discard.c | 14 +- include/drm/drm_vblank.h | 2 +- include/linux/dcache.h | 1 + include/rdma/ib_umem.h | 1 - ipc/shm.c | 19 +- kernel/audit.c | 2 + kernel/debug/kdb/kdb_main.c | 27 +- kernel/events/core.c | 49 ++- kernel/irq/affinity.c | 15 +- kernel/rcu/tree_plugin.h | 14 +- kernel/sched/rt.c | 2 + kernel/sys.c | 2 + lib/radix-tree.c | 4 +- lib/test_kasan.c | 8 + mm/kasan/kasan.c | 66 +++- mm/ksm.c | 28 ++ mm/page_idle.c | 12 +- mm/slub.c | 57 ++-- mm/swapfile.c | 4 + mm/vmscan.c | 8 +- mm/z3fold.c | 9 +- net/netlabel/netlabel_unlabeled.c | 10 + net/rxrpc/call_event.c | 2 +- net/rxrpc/input.c | 15 +- net/rxrpc/sendmsg.c | 4 +- net/smc/smc_ib.c | 10 +- net/smc/smc_wr.h | 1 - security/integrity/ima/Kconfig | 1 + security/integrity/ima/ima_crypto.c | 2 + security/integrity/ima/ima_main.c | 13 + security/integrity/ima/ima_policy.c | 2 +- security/selinux/hooks.c | 20 +- sound/core/timer.c | 4 +- sound/core/vmaster.c | 5 +- tools/hv/hv_fcopy_daemon.c | 3 +- tools/hv/hv_vss_daemon.c | 1 + tools/perf/Makefile.perf | 3 +- tools/perf/builtin-stat.c | 9 +- tools/perf/builtin-top.c | 6 +- tools/perf/tests/dwarf-unwind.c | 46 ++- .../perf/tests/shell/trace+probe_libc_inet_pton.sh | 6 +- tools/perf/tests/vmlinux-kallsyms.c | 2 +- tools/perf/ui/browsers/annotate.c | 9 +- tools/perf/util/c++/clang.cpp | 11 +- tools/perf/util/hist.c | 4 +- tools/perf/util/hist.h | 1 - tools/perf/util/mmap.c | 6 + tools/testing/radix-tree/idr-test.c | 7 + tools/testing/selftests/Makefile | 1 + tools/testing/selftests/net/fib-onlink-tests.sh | 375 +++++++++++++++++++++ tools/testing/selftests/net/psock_fanout.c | 3 +- tools/thermal/tmon/sysfs.c | 12 +- tools/thermal/tmon/tmon.c | 1 - 298 files changed, 3076 insertions(+), 1191 deletions(-)

5 years, 11 months

12
273
0 0

[PATCH v2 1/2] pwm: lpss: platform: Save/restore the ctrl register over a suspend/resume

by Hans de Goede

On some devices the contents of the ctrl register get lost over a suspend/resume and the PWM comes back up disabled after the resume. This is seen on some Bay Trail devices with the PWM in ACPI enumerated mode, so it shows up as a platform device instead of a PCI device. If we still think it is enabled and then try to change the duty-cycle after this, we end up with a "PWM_SW_UPDATE was not cleared" error and the PWM is stuck in that state from then on. This commit adds suspend and resume pm callbacks to the pwm-lpss-platform code, which save/restore the ctrl register over a suspend/resume, fixing this. Note that: 1) There is no need to do this over a runtime suspend, since we only runtime suspend when disabled and then we properly set the enable bit and reprogram the timings when we re-enable the PWM. 2) This may be happening on more systems then we realize, but has been covered up sofar by a bug in the acpi-lpss.c code which was save/restoring the regular device registers instead of the lpss private registers due to lpss_device_desc.prv_offset not being set. This is fixed by a later patch in this series. Cc: stable(a)vger.kernel.org Signed-off-by: Hans de Goede <hdegoede(a)redhat.com> --- Changes in v2: -Add Cc: stable(a)vger.kernel.org to make sure this goes into stable together with "ACPI / LPSS: Add missing prv_offset setting for byt/cht PWM devices" which depends on this --- drivers/pwm/pwm-lpss-platform.c | 5 +++++ drivers/pwm/pwm-lpss.c | 30 ++++++++++++++++++++++++++++++ drivers/pwm/pwm-lpss.h | 2 ++ 3 files changed, 37 insertions(+) diff --git a/drivers/pwm/pwm-lpss-platform.c b/drivers/pwm/pwm-lpss-platform.c index 5d6ed1507d29..5561b9e190f8 100644 --- a/drivers/pwm/pwm-lpss-platform.c +++ b/drivers/pwm/pwm-lpss-platform.c @@ -74,6 +74,10 @@ static int pwm_lpss_remove_platform(struct platform_device *pdev) return pwm_lpss_remove(lpwm); } +static SIMPLE_DEV_PM_OPS(pwm_lpss_platform_pm_ops, + pwm_lpss_suspend, + pwm_lpss_resume); + static const struct acpi_device_id pwm_lpss_acpi_match[] = { { "80860F09", (unsigned long)&pwm_lpss_byt_info }, { "80862288", (unsigned long)&pwm_lpss_bsw_info }, @@ -86,6 +90,7 @@ static struct platform_driver pwm_lpss_driver_platform = { .driver = { .name = "pwm-lpss", .acpi_match_table = pwm_lpss_acpi_match, + .pm = &pwm_lpss_platform_pm_ops, }, .probe = pwm_lpss_probe_platform, .remove = pwm_lpss_remove_platform, diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c index 8db0d40ccacd..4721a264bac2 100644 --- a/drivers/pwm/pwm-lpss.c +++ b/drivers/pwm/pwm-lpss.c @@ -32,10 +32,13 @@ /* Size of each PWM register space if multiple */ #define PWM_SIZE 0x400 +#define MAX_PWMS 4 + struct pwm_lpss_chip { struct pwm_chip chip; void __iomem *regs; const struct pwm_lpss_boardinfo *info; + u32 saved_ctrl[MAX_PWMS]; }; static inline struct pwm_lpss_chip *to_lpwm(struct pwm_chip *chip) @@ -177,6 +180,9 @@ struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r, unsigned long c; int ret; + if (WARN_ON(info->npwm > MAX_PWMS)) + return ERR_PTR(-ENODEV); + lpwm = devm_kzalloc(dev, sizeof(*lpwm), GFP_KERNEL); if (!lpwm) return ERR_PTR(-ENOMEM); @@ -212,6 +218,30 @@ int pwm_lpss_remove(struct pwm_lpss_chip *lpwm) } EXPORT_SYMBOL_GPL(pwm_lpss_remove); +int pwm_lpss_suspend(struct device *dev) +{ + struct pwm_lpss_chip *lpwm = dev_get_drvdata(dev); + int i; + + for (i = 0; i < lpwm->info->npwm; i++) + lpwm->saved_ctrl[i] = readl(lpwm->regs + i * PWM_SIZE + PWM); + + return 0; +} +EXPORT_SYMBOL_GPL(pwm_lpss_suspend); + +int pwm_lpss_resume(struct device *dev) +{ + struct pwm_lpss_chip *lpwm = dev_get_drvdata(dev); + int i; + + for (i = 0; i < lpwm->info->npwm; i++) + writel(lpwm->saved_ctrl[i], lpwm->regs + i * PWM_SIZE + PWM); + + return 0; +} +EXPORT_SYMBOL_GPL(pwm_lpss_resume); + MODULE_DESCRIPTION("PWM driver for Intel LPSS"); MODULE_AUTHOR("Mika Westerberg <mika.westerberg(a)linux.intel.com>"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/pwm/pwm-lpss.h b/drivers/pwm/pwm-lpss.h index 98306bb02cfe..7a4238ad1fcb 100644 --- a/drivers/pwm/pwm-lpss.h +++ b/drivers/pwm/pwm-lpss.h @@ -28,5 +28,7 @@ struct pwm_lpss_boardinfo { struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r, const struct pwm_lpss_boardinfo *info); int pwm_lpss_remove(struct pwm_lpss_chip *lpwm); +int pwm_lpss_suspend(struct device *dev); +int pwm_lpss_resume(struct device *dev); #endif /* __PWM_LPSS_H */ -- 2.17.0

5 years, 11 months

5
8
0 0

[PATCH v2 0/2] fixes for v4.4

by Jarkko Sakkinen

Decided to add Enric's commit because it is also a bug fix instead of modifying Chris commit. Chris Chiu (1): tpm: self test failure should not cause suspend to fail Enric Balletbo i Serra (1): tpm: do not suspend/resume if power stays on drivers/char/tpm/tpm-chip.c | 12 ++++++++++++ drivers/char/tpm/tpm-interface.c | 7 +++++++ drivers/char/tpm/tpm.h | 1 + 3 files changed, 20 insertions(+) -- v2: moved the check from tpm_of.c to tpm-chip.c as in v4.4 chip is unreachable otherwise. I did compilation test now with BuildRoot for power arch. 2.17.0

5 years, 11 months

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[PATCH for-rc 0/2] IB/hfi1: Fixes for rc or next if too late

by Dennis Dalessandro

Hi Doug and Jason, We have two more late breaking fix up patches. The DMA_RTAIL fix is the more serious of the two. I realize we are at the tail end of 4.17 so I would not be against holding off till 4.18 for these, but if there is another rdma pull request we may want to tack these on. --- Kaike Wan (1): IB/hfi1: Ensure VL index is within bounds Mike Marciniszyn (1): IB/hfi1: Fix user context tail allocation for DMA_RTAIL drivers/infiniband/hw/hfi1/chip.c | 8 ++++---- drivers/infiniband/hw/hfi1/file_ops.c | 2 +- drivers/infiniband/hw/hfi1/init.c | 9 ++++----- drivers/infiniband/hw/hfi1/sdma.c | 12 +++--------- 4 files changed, 12 insertions(+), 19 deletions(-) -- -Denny

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Linux-stable-mirror May 2018