diff --git a/Documentation/vm/memory-model.rst b/Documentation/vm/memory-model.rst index 9daadf9faba1..ce398a7dc6cd 100644 --- a/Documentation/vm/memory-model.rst +++ b/Documentation/vm/memory-model.rst @@ -51,8 +51,7 @@ call :c:func:`free_area_init` function. Yet, the mappings array is not usable until the call to :c:func:`memblock_free_all` that hands all the memory to the page allocator.
-If an architecture enables `CONFIG_ARCH_HAS_HOLES_MEMORYMODEL` option, -it may free parts of the `mem_map` array that do not cover the +An architecture may free parts of the `mem_map` array that do not cover the actual physical pages. In such case, the architecture specific :c:func:`pfn_valid` implementation should take the holes in the `mem_map` into account. diff --git a/Makefile b/Makefile index 86d3e137d7f2..c999de1b6a6b 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 10 -SUBLEVEL = 115 +SUBLEVEL = 116 EXTRAVERSION = NAME = Dare mighty things
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index a0eac00e2c81..b587ecc6f949 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -25,7 +25,7 @@ config ARM select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_HAVE_CUSTOM_GPIO_H select ARCH_HAS_GCOV_PROFILE_ALL - select ARCH_KEEP_MEMBLOCK if HAVE_ARCH_PFN_VALID || KEXEC + select ARCH_KEEP_MEMBLOCK select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_NO_SG_CHAIN if !ARM_HAS_SG_CHAIN select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX @@ -521,7 +521,6 @@ config ARCH_S3C24XX config ARCH_OMAP1 bool "TI OMAP1" depends on MMU - select ARCH_HAS_HOLES_MEMORYMODEL select ARCH_OMAP select CLKDEV_LOOKUP select CLKSRC_MMIO @@ -1481,9 +1480,6 @@ config OABI_COMPAT UNPREDICTABLE (in fact it can be predicted that it won't work at all). If in doubt say N.
-config ARCH_HAS_HOLES_MEMORYMODEL - bool - config ARCH_SELECT_MEMORY_MODEL bool
@@ -1495,7 +1491,7 @@ config ARCH_SPARSEMEM_ENABLE select SPARSEMEM_STATIC if SPARSEMEM
config HAVE_ARCH_PFN_VALID - def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM + def_bool y
config HIGHMEM bool "High Memory Support" diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig index ae790908fc74..9b594ae98153 100644 --- a/arch/arm/mach-bcm/Kconfig +++ b/arch/arm/mach-bcm/Kconfig @@ -211,7 +211,6 @@ config ARCH_BRCMSTB select BCM7038_L1_IRQ select BRCMSTB_L2_IRQ select BCM7120_L2_IRQ - select ARCH_HAS_HOLES_MEMORYMODEL select ZONE_DMA if ARM_LPAE select SOC_BRCMSTB select SOC_BUS diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig index f56ff8c24043..de11030748d0 100644 --- a/arch/arm/mach-davinci/Kconfig +++ b/arch/arm/mach-davinci/Kconfig @@ -5,7 +5,6 @@ menuconfig ARCH_DAVINCI depends on ARCH_MULTI_V5 select DAVINCI_TIMER select ZONE_DMA - select ARCH_HAS_HOLES_MEMORYMODEL select PM_GENERIC_DOMAINS if PM select PM_GENERIC_DOMAINS_OF if PM && OF select REGMAP_MMIO diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index 56314b1c7408..b5df98ee5d17 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -8,7 +8,6 @@ menuconfig ARCH_EXYNOS bool "Samsung Exynos" depends on ARCH_MULTI_V7 - select ARCH_HAS_HOLES_MEMORYMODEL select ARCH_SUPPORTS_BIG_ENDIAN select ARM_AMBA select ARM_GIC diff --git a/arch/arm/mach-highbank/Kconfig b/arch/arm/mach-highbank/Kconfig index 1bc68913d62c..9de38ce8124f 100644 --- a/arch/arm/mach-highbank/Kconfig +++ b/arch/arm/mach-highbank/Kconfig @@ -2,7 +2,6 @@ config ARCH_HIGHBANK bool "Calxeda ECX-1000/2000 (Highbank/Midway)" depends on ARCH_MULTI_V7 - select ARCH_HAS_HOLES_MEMORYMODEL select ARCH_SUPPORTS_BIG_ENDIAN select ARM_AMBA select ARM_ERRATA_764369 if SMP diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 3f62a0c9450d..164985505f9e 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -93,7 +93,6 @@ config SOC_DRA7XX config ARCH_OMAP2PLUS bool select ARCH_HAS_BANDGAP - select ARCH_HAS_HOLES_MEMORYMODEL select ARCH_HAS_RESET_CONTROLLER select ARCH_OMAP select CLKSRC_MMIO diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig index 95d4e8284866..d644b45bc29d 100644 --- a/arch/arm/mach-s5pv210/Kconfig +++ b/arch/arm/mach-s5pv210/Kconfig @@ -8,7 +8,6 @@ config ARCH_S5PV210 bool "Samsung S5PV210/S5PC110" depends on ARCH_MULTI_V7 - select ARCH_HAS_HOLES_MEMORYMODEL select ARM_VIC select CLKSRC_SAMSUNG_PWM select COMMON_CLK_SAMSUNG diff --git a/arch/arm/mach-tango/Kconfig b/arch/arm/mach-tango/Kconfig index 25b2fd434861..a9eeda36aeb1 100644 --- a/arch/arm/mach-tango/Kconfig +++ b/arch/arm/mach-tango/Kconfig @@ -3,7 +3,6 @@ config ARCH_TANGO bool "Sigma Designs Tango4 (SMP87xx)" depends on ARCH_MULTI_V7 # Cortex-A9 MPCore r3p0, PL310 r3p2 - select ARCH_HAS_HOLES_MEMORYMODEL select ARM_ERRATA_754322 select ARM_ERRATA_764369 if SMP select ARM_ERRATA_775420 diff --git a/arch/mips/bmips/setup.c b/arch/mips/bmips/setup.c index 19308df5f577..1b06b25aea87 100644 --- a/arch/mips/bmips/setup.c +++ b/arch/mips/bmips/setup.c @@ -167,7 +167,7 @@ void __init plat_mem_setup(void) dtb = phys_to_virt(fw_arg2); else if (fw_passed_dtb) /* UHI interface or appended dtb */ dtb = (void *)fw_passed_dtb; - else if (__dtb_start != __dtb_end) + else if (&__dtb_start != &__dtb_end) dtb = (void *)__dtb_start; else panic("no dtb found"); diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c index 51a218f04fe0..3f568f5aae2d 100644 --- a/arch/mips/lantiq/prom.c +++ b/arch/mips/lantiq/prom.c @@ -79,7 +79,7 @@ void __init plat_mem_setup(void)
if (fw_passed_dtb) /* UHI interface */ dtb = (void *)fw_passed_dtb; - else if (__dtb_start != __dtb_end) + else if (&__dtb_start != &__dtb_end) dtb = (void *)__dtb_start; else panic("no dtb found"); diff --git a/arch/mips/pic32/pic32mzda/init.c b/arch/mips/pic32/pic32mzda/init.c index 50f376f058f4..f232c77ff526 100644 --- a/arch/mips/pic32/pic32mzda/init.c +++ b/arch/mips/pic32/pic32mzda/init.c @@ -28,7 +28,7 @@ static ulong get_fdtaddr(void) if (fw_passed_dtb && !fw_arg2 && !fw_arg3) return (ulong)fw_passed_dtb;
- if (__dtb_start < __dtb_end) + if (&__dtb_start < &__dtb_end) ftaddr = (ulong)__dtb_start;
return ftaddr; diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c index a971f1aca096..3017263ac4f9 100644 --- a/arch/mips/ralink/of.c +++ b/arch/mips/ralink/of.c @@ -77,7 +77,7 @@ void __init plat_mem_setup(void) */ if (fw_passed_dtb) dtb = (void *)fw_passed_dtb; - else if (__dtb_start != __dtb_end) + else if (&__dtb_start != &__dtb_end) dtb = (void *)__dtb_start;
__dt_setup_arch(dtb); diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index f8d0146bf785..54f77b4a0b49 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -790,9 +790,11 @@ int drbd_adm_set_role(struct sk_buff *skb, struct genl_info *info) mutex_lock(&adm_ctx.resource->adm_mutex);
if (info->genlhdr->cmd == DRBD_ADM_PRIMARY) - retcode = drbd_set_role(adm_ctx.device, R_PRIMARY, parms.assume_uptodate); + retcode = (enum drbd_ret_code)drbd_set_role(adm_ctx.device, + R_PRIMARY, parms.assume_uptodate); else - retcode = drbd_set_role(adm_ctx.device, R_SECONDARY, 0); + retcode = (enum drbd_ret_code)drbd_set_role(adm_ctx.device, + R_SECONDARY, 0);
mutex_unlock(&adm_ctx.resource->adm_mutex); genl_lock(); @@ -1962,7 +1964,7 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info) drbd_flush_workqueue(&connection->sender_work);
rv = _drbd_request_state(device, NS(disk, D_ATTACHING), CS_VERBOSE); - retcode = rv; /* FIXME: Type mismatch. */ + retcode = (enum drbd_ret_code)rv; drbd_resume_io(device); if (rv < SS_SUCCESS) goto fail; @@ -2687,7 +2689,8 @@ int drbd_adm_connect(struct sk_buff *skb, struct genl_info *info) } rcu_read_unlock();
- retcode = conn_request_state(connection, NS(conn, C_UNCONNECTED), CS_VERBOSE); + retcode = (enum drbd_ret_code)conn_request_state(connection, + NS(conn, C_UNCONNECTED), CS_VERBOSE);
conn_reconfig_done(connection); mutex_unlock(&adm_ctx.resource->adm_mutex); @@ -2800,7 +2803,7 @@ int drbd_adm_disconnect(struct sk_buff *skb, struct genl_info *info) mutex_lock(&adm_ctx.resource->adm_mutex); rv = conn_try_disconnect(connection, parms.force_disconnect); if (rv < SS_SUCCESS) - retcode = rv; /* FIXME: Type mismatch. */ + retcode = (enum drbd_ret_code)rv; else retcode = NO_ERROR; mutex_unlock(&adm_ctx.resource->adm_mutex); diff --git a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c index 92280cc05e2d..dae8e489c8cf 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c @@ -53,8 +53,8 @@ */
struct gpio_service *dal_gpio_service_create( - enum dce_version dce_version_major, - enum dce_version dce_version_minor, + enum dce_version dce_version, + enum dce_environment dce_environment, struct dc_context *ctx) { struct gpio_service *service; @@ -67,14 +67,14 @@ struct gpio_service *dal_gpio_service_create( return NULL; }
- if (!dal_hw_translate_init(&service->translate, dce_version_major, - dce_version_minor)) { + if (!dal_hw_translate_init(&service->translate, dce_version, + dce_environment)) { BREAK_TO_DEBUGGER(); goto failure_1; }
- if (!dal_hw_factory_init(&service->factory, dce_version_major, - dce_version_minor)) { + if (!dal_hw_factory_init(&service->factory, dce_version, + dce_environment)) { BREAK_TO_DEBUGGER(); goto failure_1; } diff --git a/drivers/gpu/drm/amd/display/include/gpio_service_interface.h b/drivers/gpu/drm/amd/display/include/gpio_service_interface.h index 9c55d247227e..7e3240e73c1f 100644 --- a/drivers/gpu/drm/amd/display/include/gpio_service_interface.h +++ b/drivers/gpu/drm/amd/display/include/gpio_service_interface.h @@ -42,8 +42,8 @@ void dal_gpio_destroy( struct gpio **ptr);
struct gpio_service *dal_gpio_service_create( - enum dce_version dce_version_major, - enum dce_version dce_version_minor, + enum dce_version dce_version, + enum dce_environment dce_environment, struct dc_context *ctx);
struct gpio *dal_gpio_service_create_irq( diff --git a/drivers/net/ethernet/netronome/nfp/nfp_asm.c b/drivers/net/ethernet/netronome/nfp/nfp_asm.c index 2643ea5948f4..154399c5453f 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_asm.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_asm.c @@ -196,7 +196,7 @@ int swreg_to_unrestricted(swreg dst, swreg lreg, swreg rreg, }
reg->dst_lmextn = swreg_lmextn(dst); - reg->src_lmextn = swreg_lmextn(lreg) | swreg_lmextn(rreg); + reg->src_lmextn = swreg_lmextn(lreg) || swreg_lmextn(rreg);
return 0; } @@ -277,7 +277,7 @@ int swreg_to_restricted(swreg dst, swreg lreg, swreg rreg, }
reg->dst_lmextn = swreg_lmextn(dst); - reg->src_lmextn = swreg_lmextn(lreg) | swreg_lmextn(rreg); + reg->src_lmextn = swreg_lmextn(lreg) || swreg_lmextn(rreg);
return 0; } diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c index e502414b3556..4d2e64e9016c 100644 --- a/fs/proc/kcore.c +++ b/fs/proc/kcore.c @@ -193,8 +193,6 @@ kclist_add_private(unsigned long pfn, unsigned long nr_pages, void *arg) return 1;
p = pfn_to_page(pfn); - if (!memmap_valid_within(pfn, p, page_zone(p))) - return 1;
ent = kmalloc(sizeof(*ent), GFP_KERNEL); if (!ent) diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index f3016b8e698a..b2e4599b8883 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -1443,37 +1443,6 @@ struct mminit_pfnnid_cache { #define pfn_valid_within(pfn) (1) #endif
-#ifdef CONFIG_ARCH_HAS_HOLES_MEMORYMODEL -/* - * pfn_valid() is meant to be able to tell if a given PFN has valid memmap - * associated with it or not. This means that a struct page exists for this - * pfn. The caller cannot assume the page is fully initialized in general. - * Hotplugable pages might not have been onlined yet. pfn_to_online_page() - * will ensure the struct page is fully online and initialized. Special pages - * (e.g. ZONE_DEVICE) are never onlined and should be treated accordingly. - * - * In FLATMEM, it is expected that holes always have valid memmap as long as - * there is valid PFNs either side of the hole. In SPARSEMEM, it is assumed - * that a valid section has a memmap for the entire section. - * - * However, an ARM, and maybe other embedded architectures in the future - * free memmap backing holes to save memory on the assumption the memmap is - * never used. The page_zone linkages are then broken even though pfn_valid() - * returns true. A walker of the full memmap must then do this additional - * check to ensure the memmap they are looking at is sane by making sure - * the zone and PFN linkages are still valid. This is expensive, but walkers - * of the full memmap are extremely rare. - */ -bool memmap_valid_within(unsigned long pfn, - struct page *page, struct zone *zone); -#else -static inline bool memmap_valid_within(unsigned long pfn, - struct page *page, struct zone *zone) -{ - return true; -} -#endif /* CONFIG_ARCH_HAS_HOLES_MEMORYMODEL */ - #endif /* !__GENERATING_BOUNDS.H */ #endif /* !__ASSEMBLY__ */ #endif /* _LINUX_MMZONE_H */ diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 2024944fd2f7..20e84a84fb77 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -331,6 +331,12 @@ regulator_get_exclusive(struct device *dev, const char *id) return ERR_PTR(-ENODEV); }
+static inline struct regulator *__must_check +devm_regulator_get_exclusive(struct device *dev, const char *id) +{ + return ERR_PTR(-ENODEV); +} + static inline struct regulator *__must_check regulator_get_optional(struct device *dev, const char *id) { @@ -486,6 +492,11 @@ static inline int regulator_get_voltage(struct regulator *regulator) return -EINVAL; }
+static inline int regulator_sync_voltage(struct regulator *regulator) +{ + return -EINVAL; +} + static inline int regulator_is_supported_voltage(struct regulator *regulator, int min_uV, int max_uV) { @@ -578,6 +589,25 @@ static inline int devm_regulator_unregister_notifier(struct regulator *regulator return 0; }
+static inline int regulator_suspend_enable(struct regulator_dev *rdev, + suspend_state_t state) +{ + return -EINVAL; +} + +static inline int regulator_suspend_disable(struct regulator_dev *rdev, + suspend_state_t state) +{ + return -EINVAL; +} + +static inline int regulator_set_suspend_voltage(struct regulator *regulator, + int min_uV, int max_uV, + suspend_state_t state) +{ + return -EINVAL; +} + static inline void *regulator_get_drvdata(struct regulator *regulator) { return NULL; diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index a592a826e2fb..09104ca14a3e 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -35,6 +35,9 @@ /* HCI priority */ #define HCI_PRIO_MAX 7
+/* HCI maximum id value */ +#define HCI_MAX_ID 10000 + /* HCI Core structures */ struct inquiry_data { bdaddr_t bdaddr; diff --git a/mm/memory.c b/mm/memory.c index 14f91c7467d6..72236b1ce590 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -5295,6 +5295,8 @@ long copy_huge_page_from_user(struct page *dst_page, if (rc) break;
+ flush_dcache_page(subpage); + cond_resched(); } return ret_val; diff --git a/mm/migrate.c b/mm/migrate.c index 278e6f3fa62c..495bdac5cf92 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1010,9 +1010,12 @@ static int move_to_new_page(struct page *newpage, struct page *page, if (!PageMappingFlags(page)) page->mapping = NULL;
- if (likely(!is_zone_device_page(newpage))) - flush_dcache_page(newpage); + if (likely(!is_zone_device_page(newpage))) { + int i, nr = compound_nr(newpage);
+ for (i = 0; i < nr; i++) + flush_dcache_page(newpage + i); + } } out: return rc; diff --git a/mm/mmzone.c b/mm/mmzone.c index 4686fdc23bb9..f337831affc2 100644 --- a/mm/mmzone.c +++ b/mm/mmzone.c @@ -72,20 +72,6 @@ struct zoneref *__next_zones_zonelist(struct zoneref *z, return z; }
-#ifdef CONFIG_ARCH_HAS_HOLES_MEMORYMODEL -bool memmap_valid_within(unsigned long pfn, - struct page *page, struct zone *zone) -{ - if (page_to_pfn(page) != pfn) - return false; - - if (page_zone(page) != zone) - return false; - - return true; -} -#endif /* CONFIG_ARCH_HAS_HOLES_MEMORYMODEL */ - void lruvec_init(struct lruvec *lruvec) { enum lru_list lru; diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c index 9a3d451402d7..078d95cd32c5 100644 --- a/mm/userfaultfd.c +++ b/mm/userfaultfd.c @@ -83,6 +83,8 @@ static int mcopy_atomic_pte(struct mm_struct *dst_mm, /* don't free the page */ goto out; } + + flush_dcache_page(page); } else { page = *pagep; *pagep = NULL; @@ -595,6 +597,7 @@ static __always_inline ssize_t __mcopy_atomic(struct mm_struct *dst_mm, err = -EFAULT; goto out; } + flush_dcache_page(page); goto retry; } else BUG_ON(page); diff --git a/mm/vmstat.c b/mm/vmstat.c index 698bc0bc18d1..e292e63afebf 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1503,10 +1503,6 @@ static void pagetypeinfo_showblockcount_print(struct seq_file *m, if (!page) continue;
- /* Watch for unexpected holes punched in the memmap */ - if (!memmap_valid_within(pfn, page, zone)) - continue; - if (page_zone(page) != zone) continue;
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 2e7998bad133..c331b4176de7 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -3718,10 +3718,10 @@ int hci_register_dev(struct hci_dev *hdev) */ switch (hdev->dev_type) { case HCI_PRIMARY: - id = ida_simple_get(&hci_index_ida, 0, 0, GFP_KERNEL); + id = ida_simple_get(&hci_index_ida, 0, HCI_MAX_ID, GFP_KERNEL); break; case HCI_AMP: - id = ida_simple_get(&hci_index_ida, 1, 0, GFP_KERNEL); + id = ida_simple_get(&hci_index_ida, 1, HCI_MAX_ID, GFP_KERNEL); break; default: return -EINVAL; @@ -3730,7 +3730,7 @@ int hci_register_dev(struct hci_dev *hdev) if (id < 0) return id;
- sprintf(hdev->name, "hci%d", id); + snprintf(hdev->name, sizeof(hdev->name), "hci%d", id); hdev->id = id;
BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);