diff options
Diffstat (limited to 'arch/mips')
50 files changed, 184 insertions, 200 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index fc6fba925aea..bc8421859006 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -2878,33 +2878,11 @@ config HZ config SCHED_HRTICK def_bool HIGH_RES_TIMERS -config KEXEC - bool "Kexec system call" - select KEXEC_CORE - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot - but it is independent of the system firmware. And like a reboot - you can start any kernel with it, not just Linux. - - The name comes from the similarity to the exec system call. - - It is an ongoing process to be certain the hardware in a machine - is properly shutdown, so do not be surprised if this code does not - initially work for you. As of this writing the exact hardware - interface is strongly in flux, so no good recommendation can be - made. - -config CRASH_DUMP - bool "Kernel crash dumps" - help - Generate crash dump after being started by kexec. - This should be normally only set in special crash dump kernels - which are loaded in the main kernel with kexec-tools into - a specially reserved region and then later executed after - a crash by kdump/kexec. The crash dump kernel must be compiled - to a memory address not used by the main kernel or firmware using - PHYSICAL_START. +config ARCH_SUPPORTS_KEXEC + def_bool y + +config ARCH_SUPPORTS_CRASH_DUMP + def_bool y config PHYSICAL_START hex "Physical address where the kernel is loaded" diff --git a/arch/mips/alchemy/devboards/db1000.c b/arch/mips/alchemy/devboards/db1000.c index 79d66faa8482..012da042d0a4 100644 --- a/arch/mips/alchemy/devboards/db1000.c +++ b/arch/mips/alchemy/devboards/db1000.c @@ -14,7 +14,6 @@ #include <linux/interrupt.h> #include <linux/leds.h> #include <linux/mmc/host.h> -#include <linux/module.h> #include <linux/platform_device.h> #include <linux/pm.h> #include <linux/spi/spi.h> @@ -167,12 +166,7 @@ static struct platform_device db1x00_audio_dev = { static irqreturn_t db1100_mmc_cd(int irq, void *ptr) { - void (*mmc_cd)(struct mmc_host *, unsigned long); - /* link against CONFIG_MMC=m */ - mmc_cd = symbol_get(mmc_detect_change); - mmc_cd(ptr, msecs_to_jiffies(500)); - symbol_put(mmc_detect_change); - + mmc_detect_change(ptr, msecs_to_jiffies(500)); return IRQ_HANDLED; } diff --git a/arch/mips/alchemy/devboards/db1200.c b/arch/mips/alchemy/devboards/db1200.c index 1864eb935ca5..76080c71a2a7 100644 --- a/arch/mips/alchemy/devboards/db1200.c +++ b/arch/mips/alchemy/devboards/db1200.c @@ -10,7 +10,6 @@ #include <linux/gpio.h> #include <linux/i2c.h> #include <linux/init.h> -#include <linux/module.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/leds.h> @@ -340,14 +339,7 @@ static irqreturn_t db1200_mmc_cd(int irq, void *ptr) static irqreturn_t db1200_mmc_cdfn(int irq, void *ptr) { - void (*mmc_cd)(struct mmc_host *, unsigned long); - - /* link against CONFIG_MMC=m */ - mmc_cd = symbol_get(mmc_detect_change); - if (mmc_cd) { - mmc_cd(ptr, msecs_to_jiffies(200)); - symbol_put(mmc_detect_change); - } + mmc_detect_change(ptr, msecs_to_jiffies(200)); msleep(100); /* debounce */ if (irq == DB1200_SD0_INSERT_INT) @@ -431,14 +423,7 @@ static irqreturn_t pb1200_mmc1_cd(int irq, void *ptr) static irqreturn_t pb1200_mmc1_cdfn(int irq, void *ptr) { - void (*mmc_cd)(struct mmc_host *, unsigned long); - - /* link against CONFIG_MMC=m */ - mmc_cd = symbol_get(mmc_detect_change); - if (mmc_cd) { - mmc_cd(ptr, msecs_to_jiffies(200)); - symbol_put(mmc_detect_change); - } + mmc_detect_change(ptr, msecs_to_jiffies(200)); msleep(100); /* debounce */ if (irq == PB1200_SD1_INSERT_INT) diff --git a/arch/mips/alchemy/devboards/db1300.c b/arch/mips/alchemy/devboards/db1300.c index e70e529ddd91..ff61901329c6 100644 --- a/arch/mips/alchemy/devboards/db1300.c +++ b/arch/mips/alchemy/devboards/db1300.c @@ -17,7 +17,6 @@ #include <linux/interrupt.h> #include <linux/ata_platform.h> #include <linux/mmc/host.h> -#include <linux/module.h> #include <linux/mtd/mtd.h> #include <linux/mtd/platnand.h> #include <linux/platform_device.h> @@ -459,14 +458,7 @@ static irqreturn_t db1300_mmc_cd(int irq, void *ptr) static irqreturn_t db1300_mmc_cdfn(int irq, void *ptr) { - void (*mmc_cd)(struct mmc_host *, unsigned long); - - /* link against CONFIG_MMC=m. We can only be called once MMC core has - * initialized the controller, so symbol_get() should always succeed. - */ - mmc_cd = symbol_get(mmc_detect_change); - mmc_cd(ptr, msecs_to_jiffies(200)); - symbol_put(mmc_detect_change); + mmc_detect_change(ptr, msecs_to_jiffies(200)); msleep(100); /* debounce */ if (irq == DB1300_SD1_INSERT_INT) diff --git a/arch/mips/bcm47xx/prom.c b/arch/mips/bcm47xx/prom.c index a9bea411d928..99a1ba5394e0 100644 --- a/arch/mips/bcm47xx/prom.c +++ b/arch/mips/bcm47xx/prom.c @@ -116,7 +116,7 @@ void __init prom_init(void) #if defined(CONFIG_BCM47XX_BCMA) && defined(CONFIG_HIGHMEM) #define EXTVBASE 0xc0000000 -#define ENTRYLO(x) ((pte_val(pfn_pte((x) >> _PFN_SHIFT, PAGE_KERNEL_UNCACHED)) >> 6) | 1) +#define ENTRYLO(x) ((pte_val(pfn_pte((x) >> PFN_PTE_SHIFT, PAGE_KERNEL_UNCACHED)) >> 6) | 1) #include <asm/tlbflush.h> diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c index c5561016f577..1ad2602a0383 100644 --- a/arch/mips/cavium-octeon/setup.c +++ b/arch/mips/cavium-octeon/setup.c @@ -1240,7 +1240,7 @@ static int __init octeon_no_pci_init(void) */ octeon_dummy_iospace = vzalloc(IO_SPACE_LIMIT); set_io_port_base((unsigned long)octeon_dummy_iospace); - ioport_resource.start = MAX_RESOURCE; + ioport_resource.start = RESOURCE_SIZE_MAX; ioport_resource.end = 0; return 0; } diff --git a/arch/mips/configs/ath25_defconfig b/arch/mips/configs/ath25_defconfig index afd1c16242e9..1d939ba9738d 100644 --- a/arch/mips/configs/ath25_defconfig +++ b/arch/mips/configs/ath25_defconfig @@ -11,7 +11,7 @@ CONFIG_BLK_DEV_INITRD=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_FHANDLE is not set # CONFIG_AIO is not set -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/mips/configs/ath79_defconfig b/arch/mips/configs/ath79_defconfig index 0b741716c852..8caa03a41327 100644 --- a/arch/mips/configs/ath79_defconfig +++ b/arch/mips/configs/ath79_defconfig @@ -5,7 +5,7 @@ CONFIG_BLK_DEV_INITRD=y # CONFIG_RD_GZIP is not set # CONFIG_AIO is not set # CONFIG_KALLSYMS is not set -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/mips/configs/bcm47xx_defconfig b/arch/mips/configs/bcm47xx_defconfig index 62c462a23edc..6a68a96d13f8 100644 --- a/arch/mips/configs/bcm47xx_defconfig +++ b/arch/mips/configs/bcm47xx_defconfig @@ -2,7 +2,7 @@ CONFIG_SYSVIPC=y CONFIG_HIGH_RES_TIMERS=y CONFIG_BLK_DEV_INITRD=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y CONFIG_BCM47XX=y CONFIG_PCI=y # CONFIG_SUSPEND is not set diff --git a/arch/mips/configs/ci20_defconfig b/arch/mips/configs/ci20_defconfig index 812287a5b4fd..cdf2a782dee1 100644 --- a/arch/mips/configs/ci20_defconfig +++ b/arch/mips/configs/ci20_defconfig @@ -18,7 +18,7 @@ CONFIG_NAMESPACES=y CONFIG_USER_NS=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_KALLSYMS_ALL=y -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y CONFIG_MACH_INGENIC_SOC=y CONFIG_JZ4780_CI20=y CONFIG_HIGHMEM=y diff --git a/arch/mips/configs/cu1000-neo_defconfig b/arch/mips/configs/cu1000-neo_defconfig index afe39ce7568e..19517beaf540 100644 --- a/arch/mips/configs/cu1000-neo_defconfig +++ b/arch/mips/configs/cu1000-neo_defconfig @@ -15,7 +15,7 @@ CONFIG_NAMESPACES=y CONFIG_USER_NS=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_KALLSYMS_ALL=y -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_COMPAT_BRK is not set CONFIG_MACH_INGENIC_SOC=y diff --git a/arch/mips/configs/cu1830-neo_defconfig b/arch/mips/configs/cu1830-neo_defconfig index 347c9fd1c21d..b403e67ab105 100644 --- a/arch/mips/configs/cu1830-neo_defconfig +++ b/arch/mips/configs/cu1830-neo_defconfig @@ -15,7 +15,7 @@ CONFIG_NAMESPACES=y CONFIG_USER_NS=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_KALLSYMS_ALL=y -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_COMPAT_BRK is not set CONFIG_MACH_INGENIC_SOC=y diff --git a/arch/mips/configs/db1xxx_defconfig b/arch/mips/configs/db1xxx_defconfig index 08d29b56e175..b2d9253ff786 100644 --- a/arch/mips/configs/db1xxx_defconfig +++ b/arch/mips/configs/db1xxx_defconfig @@ -17,7 +17,7 @@ CONFIG_CGROUP_FREEZER=y CONFIG_CGROUP_DEVICE=y CONFIG_CGROUP_CPUACCT=y CONFIG_KALLSYMS_ALL=y -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y CONFIG_MIPS_ALCHEMY=y CONFIG_HZ_100=y CONFIG_PCI=y diff --git a/arch/mips/configs/gcw0_defconfig b/arch/mips/configs/gcw0_defconfig index 460683b52285..bc1ef66e3999 100644 --- a/arch/mips/configs/gcw0_defconfig +++ b/arch/mips/configs/gcw0_defconfig @@ -2,7 +2,7 @@ CONFIG_DEFAULT_HOSTNAME="gcw0" CONFIG_NO_HZ_IDLE=y CONFIG_HIGH_RES_TIMERS=y CONFIG_PREEMPT_VOLUNTARY=y -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y CONFIG_PROFILING=y CONFIG_MACH_INGENIC_SOC=y CONFIG_JZ4770_GCW0=y diff --git a/arch/mips/configs/generic_defconfig b/arch/mips/configs/generic_defconfig index c2cd2b181ef3..071e2205c7ed 100644 --- a/arch/mips/configs/generic_defconfig +++ b/arch/mips/configs/generic_defconfig @@ -17,7 +17,7 @@ CONFIG_SCHED_AUTOGROUP=y CONFIG_BLK_DEV_INITRD=y CONFIG_BPF_SYSCALL=y CONFIG_USERFAULTFD=y -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set CONFIG_CPU_LITTLE_ENDIAN=y diff --git a/arch/mips/configs/loongson2k_defconfig b/arch/mips/configs/loongson2k_defconfig index ec3ee8df737d..4b7f914d01d0 100644 --- a/arch/mips/configs/loongson2k_defconfig +++ b/arch/mips/configs/loongson2k_defconfig @@ -18,7 +18,7 @@ CONFIG_SCHED_AUTOGROUP=y CONFIG_SYSFS_DEPRECATED=y CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y CONFIG_MACH_LOONGSON64=y # CONFIG_CPU_LOONGSON3_CPUCFG_EMULATION is not set CONFIG_HZ_256=y diff --git a/arch/mips/configs/loongson3_defconfig b/arch/mips/configs/loongson3_defconfig index 129426351237..2b4133176930 100644 --- a/arch/mips/configs/loongson3_defconfig +++ b/arch/mips/configs/loongson3_defconfig @@ -26,7 +26,7 @@ CONFIG_SYSFS_DEPRECATED=y CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y CONFIG_BPF_SYSCALL=y -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y CONFIG_PERF_EVENTS=y CONFIG_MACH_LOONGSON64=y CONFIG_CPU_HAS_MSA=y diff --git a/arch/mips/configs/malta_qemu_32r6_defconfig b/arch/mips/configs/malta_qemu_32r6_defconfig index 82183ec6bc31..b21f48863d81 100644 --- a/arch/mips/configs/malta_qemu_32r6_defconfig +++ b/arch/mips/configs/malta_qemu_32r6_defconfig @@ -5,7 +5,7 @@ CONFIG_NO_HZ=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=15 -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y CONFIG_MIPS_MALTA=y CONFIG_CPU_LITTLE_ENDIAN=y CONFIG_CPU_MIPS32_R6=y diff --git a/arch/mips/configs/maltaaprp_defconfig b/arch/mips/configs/maltaaprp_defconfig index 9a199867a5e7..ecfa8a396c33 100644 --- a/arch/mips/configs/maltaaprp_defconfig +++ b/arch/mips/configs/maltaaprp_defconfig @@ -5,7 +5,7 @@ CONFIG_AUDIT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=15 -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y CONFIG_MIPS_MALTA=y CONFIG_CPU_LITTLE_ENDIAN=y CONFIG_CPU_MIPS32_R2=y diff --git a/arch/mips/configs/maltasmvp_defconfig b/arch/mips/configs/maltasmvp_defconfig index e5502d66a474..5cb4f262a4ea 100644 --- a/arch/mips/configs/maltasmvp_defconfig +++ b/arch/mips/configs/maltasmvp_defconfig @@ -5,7 +5,7 @@ CONFIG_NO_HZ=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=15 -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y CONFIG_MIPS_MALTA=y CONFIG_CPU_LITTLE_ENDIAN=y CONFIG_CPU_MIPS32_R2=y diff --git a/arch/mips/configs/maltasmvp_eva_defconfig b/arch/mips/configs/maltasmvp_eva_defconfig index a378aad97138..5e1498296782 100644 --- a/arch/mips/configs/maltasmvp_eva_defconfig +++ b/arch/mips/configs/maltasmvp_eva_defconfig @@ -5,7 +5,7 @@ CONFIG_NO_HZ=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=15 -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y CONFIG_MIPS_MALTA=y CONFIG_CPU_LITTLE_ENDIAN=y CONFIG_CPU_MIPS32_R2=y diff --git a/arch/mips/configs/maltaup_defconfig b/arch/mips/configs/maltaup_defconfig index fc6f88cae7be..c8594505d676 100644 --- a/arch/mips/configs/maltaup_defconfig +++ b/arch/mips/configs/maltaup_defconfig @@ -6,7 +6,7 @@ CONFIG_NO_HZ=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=15 -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y CONFIG_MIPS_MALTA=y CONFIG_CPU_LITTLE_ENDIAN=y CONFIG_CPU_MIPS32_R2=y diff --git a/arch/mips/configs/omega2p_defconfig b/arch/mips/configs/omega2p_defconfig index 91fe2822f897..7c1c1b974d8f 100644 --- a/arch/mips/configs/omega2p_defconfig +++ b/arch/mips/configs/omega2p_defconfig @@ -17,7 +17,7 @@ CONFIG_NAMESPACES=y CONFIG_USER_NS=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_KALLSYMS_ALL=y -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/mips/configs/pic32mzda_defconfig b/arch/mips/configs/pic32mzda_defconfig index 0e494c24246f..166d2ad372d1 100644 --- a/arch/mips/configs/pic32mzda_defconfig +++ b/arch/mips/configs/pic32mzda_defconfig @@ -7,7 +7,7 @@ CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_RELAY=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_COMPAT_BRK is not set CONFIG_MACH_PIC32=y CONFIG_DTB_PIC32_MZDA_SK=y diff --git a/arch/mips/configs/qi_lb60_defconfig b/arch/mips/configs/qi_lb60_defconfig index c27c8c7151a1..5f5b0254d75e 100644 --- a/arch/mips/configs/qi_lb60_defconfig +++ b/arch/mips/configs/qi_lb60_defconfig @@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y # CONFIG_CROSS_MEMORY_ATTACH is not set CONFIG_LOG_BUF_SHIFT=14 CONFIG_KALLSYMS_ALL=y -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_COMPAT_BRK is not set CONFIG_MACH_INGENIC_SOC=y diff --git a/arch/mips/configs/rs90_defconfig b/arch/mips/configs/rs90_defconfig index 85ea2a6775f5..4b9e36d6400e 100644 --- a/arch/mips/configs/rs90_defconfig +++ b/arch/mips/configs/rs90_defconfig @@ -15,7 +15,7 @@ CONFIG_LD_DEAD_CODE_DATA_ELIMINATION=y # CONFIG_IO_URING is not set # CONFIG_ADVISE_SYSCALLS is not set # CONFIG_KALLSYMS is not set -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_PERF_EVENTS is not set CONFIG_PROFILING=y CONFIG_MACH_INGENIC_SOC=y diff --git a/arch/mips/configs/rt305x_defconfig b/arch/mips/configs/rt305x_defconfig index bf017d493002..332f9094e847 100644 --- a/arch/mips/configs/rt305x_defconfig +++ b/arch/mips/configs/rt305x_defconfig @@ -7,7 +7,7 @@ CONFIG_BLK_DEV_INITRD=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_AIO is not set CONFIG_KALLSYMS_ALL=y -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/mips/configs/vocore2_defconfig b/arch/mips/configs/vocore2_defconfig index e47d4cc3353b..7c8ebb1b56da 100644 --- a/arch/mips/configs/vocore2_defconfig +++ b/arch/mips/configs/vocore2_defconfig @@ -17,7 +17,7 @@ CONFIG_NAMESPACES=y CONFIG_USER_NS=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_KALLSYMS_ALL=y -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/mips/configs/xway_defconfig b/arch/mips/configs/xway_defconfig index eb5acf1f24ae..08c0aa03fd56 100644 --- a/arch/mips/configs/xway_defconfig +++ b/arch/mips/configs/xway_defconfig @@ -7,7 +7,7 @@ CONFIG_BLK_DEV_INITRD=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_AIO is not set CONFIG_KALLSYMS_ALL=y -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/mips/include/asm/cacheflush.h b/arch/mips/include/asm/cacheflush.h index d8d3f80f9fc0..f36c2519ed97 100644 --- a/arch/mips/include/asm/cacheflush.h +++ b/arch/mips/include/asm/cacheflush.h @@ -36,12 +36,12 @@ */ #define PG_dcache_dirty PG_arch_1 -#define Page_dcache_dirty(page) \ - test_bit(PG_dcache_dirty, &(page)->flags) -#define SetPageDcacheDirty(page) \ - set_bit(PG_dcache_dirty, &(page)->flags) -#define ClearPageDcacheDirty(page) \ - clear_bit(PG_dcache_dirty, &(page)->flags) +#define folio_test_dcache_dirty(folio) \ + test_bit(PG_dcache_dirty, &(folio)->flags) +#define folio_set_dcache_dirty(folio) \ + set_bit(PG_dcache_dirty, &(folio)->flags) +#define folio_clear_dcache_dirty(folio) \ + clear_bit(PG_dcache_dirty, &(folio)->flags) extern void (*flush_cache_all)(void); extern void (*__flush_cache_all)(void); @@ -50,15 +50,24 @@ extern void (*flush_cache_mm)(struct mm_struct *mm); extern void (*flush_cache_range)(struct vm_area_struct *vma, unsigned long start, unsigned long end); extern void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn); -extern void __flush_dcache_page(struct page *page); +extern void __flush_dcache_pages(struct page *page, unsigned int nr); #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 +static inline void flush_dcache_folio(struct folio *folio) +{ + if (cpu_has_dc_aliases) + __flush_dcache_pages(&folio->page, folio_nr_pages(folio)); + else if (!cpu_has_ic_fills_f_dc) + folio_set_dcache_dirty(folio); +} +#define flush_dcache_folio flush_dcache_folio + static inline void flush_dcache_page(struct page *page) { if (cpu_has_dc_aliases) - __flush_dcache_page(page); + __flush_dcache_pages(page, 1); else if (!cpu_has_ic_fills_f_dc) - SetPageDcacheDirty(page); + folio_set_dcache_dirty(page_folio(page)); } #define flush_dcache_mmap_lock(mapping) do { } while (0) @@ -73,11 +82,6 @@ static inline void flush_anon_page(struct vm_area_struct *vma, __flush_anon_page(page, vmaddr); } -static inline void flush_icache_page(struct vm_area_struct *vma, - struct page *page) -{ -} - extern void (*flush_icache_range)(unsigned long start, unsigned long end); extern void (*local_flush_icache_range)(unsigned long start, unsigned long end); extern void (*__flush_icache_user_range)(unsigned long start, diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h index affd21e9c20b..062dd4e6b954 100644 --- a/arch/mips/include/asm/io.h +++ b/arch/mips/include/asm/io.h @@ -12,8 +12,6 @@ #ifndef _ASM_IO_H #define _ASM_IO_H -#define ARCH_HAS_IOREMAP_WC - #include <linux/compiler.h> #include <linux/kernel.h> #include <linux/types.h> @@ -25,7 +23,6 @@ #include <asm/byteorder.h> #include <asm/cpu.h> #include <asm/cpu-features.h> -#include <asm-generic/iomap.h> #include <asm/page.h> #include <asm/pgtable-bits.h> #include <asm/processor.h> @@ -210,6 +207,8 @@ void iounmap(const volatile void __iomem *addr); #define ioremap_wc(offset, size) \ ioremap_prot((offset), (size), boot_cpu_data.writecombine) +#include <asm-generic/iomap.h> + #if defined(CONFIG_CPU_CAVIUM_OCTEON) #define war_io_reorder_wmb() wmb() #else diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h index 75abfa834ab7..3a848e7e69f7 100644 --- a/arch/mips/include/asm/irq.h +++ b/arch/mips/include/asm/irq.h @@ -77,7 +77,7 @@ extern int cp0_fdc_irq; extern int get_c0_fdc_int(void); void arch_trigger_cpumask_backtrace(const struct cpumask *mask, - bool exclude_self); + int exclude_cpu); #define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace #endif /* _ASM_IRQ_H */ diff --git a/arch/mips/include/asm/local.h b/arch/mips/include/asm/local.h index 5daf6fe8e3e9..e6ae3df0349d 100644 --- a/arch/mips/include/asm/local.h +++ b/arch/mips/include/asm/local.h @@ -101,8 +101,8 @@ static __inline__ long local_cmpxchg(local_t *l, long old, long new) static __inline__ bool local_try_cmpxchg(local_t *l, long *old, long new) { - typeof(l->a.counter) *__old = (typeof(l->a.counter) *) old; - return try_cmpxchg_local(&l->a.counter, __old, new); + return try_cmpxchg_local(&l->a.counter, + (typeof(l->a.counter) *) old, new); } #define local_xchg(l, n) (atomic_long_xchg((&(l)->a), (n))) diff --git a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h index 9151dcd9d0d5..af9cea21c853 100644 --- a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h +++ b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h @@ -58,8 +58,6 @@ #define cpu_has_rixi (cpu_data[0].cputype != CPU_CAVIUM_OCTEON) -#define ARCH_HAS_SPINLOCK_PREFETCH 1 -#define spin_lock_prefetch(x) prefetch(x) #define PREFETCH_STRIDE 128 #ifdef __OCTEON__ diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h index f72e737dda21..40e40a7eb94a 100644 --- a/arch/mips/include/asm/pgalloc.h +++ b/arch/mips/include/asm/pgalloc.h @@ -51,13 +51,13 @@ extern pgd_t *pgd_alloc(struct mm_struct *mm); static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { - free_pages((unsigned long)pgd, PGD_TABLE_ORDER); + pagetable_free(virt_to_ptdesc(pgd)); } -#define __pte_free_tlb(tlb,pte,address) \ -do { \ - pgtable_pte_page_dtor(pte); \ - tlb_remove_page((tlb), pte); \ +#define __pte_free_tlb(tlb, pte, address) \ +do { \ + pagetable_pte_dtor(page_ptdesc(pte)); \ + tlb_remove_page_ptdesc((tlb), page_ptdesc(pte)); \ } while (0) #ifndef __PAGETABLE_PMD_FOLDED @@ -65,18 +65,18 @@ do { \ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) { pmd_t *pmd; - struct page *pg; + struct ptdesc *ptdesc; - pg = alloc_pages(GFP_KERNEL_ACCOUNT, PMD_TABLE_ORDER); - if (!pg) + ptdesc = pagetable_alloc(GFP_KERNEL_ACCOUNT, PMD_TABLE_ORDER); + if (!ptdesc) return NULL; - if (!pgtable_pmd_page_ctor(pg)) { - __free_pages(pg, PMD_TABLE_ORDER); + if (!pagetable_pmd_ctor(ptdesc)) { + pagetable_free(ptdesc); return NULL; } - pmd = (pmd_t *)page_address(pg); + pmd = ptdesc_address(ptdesc); pmd_init(pmd); return pmd; } @@ -90,10 +90,14 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long address) { pud_t *pud; + struct ptdesc *ptdesc = pagetable_alloc(GFP_KERNEL & ~__GFP_HIGHMEM, + PUD_TABLE_ORDER); - pud = (pud_t *) __get_free_pages(GFP_KERNEL, PUD_TABLE_ORDER); - if (pud) - pud_init(pud); + if (!ptdesc) + return NULL; + pud = ptdesc_address(ptdesc); + + pud_init(pud); return pud; } diff --git a/arch/mips/include/asm/pgtable-32.h b/arch/mips/include/asm/pgtable-32.h index ba0016709a1a..0e196650f4f4 100644 --- a/arch/mips/include/asm/pgtable-32.h +++ b/arch/mips/include/asm/pgtable-32.h @@ -153,7 +153,7 @@ static inline void pmd_clear(pmd_t *pmdp) #if defined(CONFIG_XPA) #define MAX_POSSIBLE_PHYSMEM_BITS 40 -#define pte_pfn(x) (((unsigned long)((x).pte_high >> _PFN_SHIFT)) | (unsigned long)((x).pte_low << _PAGE_PRESENT_SHIFT)) +#define pte_pfn(x) (((unsigned long)((x).pte_high >> PFN_PTE_SHIFT)) | (unsigned long)((x).pte_low << _PAGE_PRESENT_SHIFT)) static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot) { @@ -161,7 +161,7 @@ pfn_pte(unsigned long pfn, pgprot_t prot) pte.pte_low = (pfn >> _PAGE_PRESENT_SHIFT) | (pgprot_val(prot) & ~_PFNX_MASK); - pte.pte_high = (pfn << _PFN_SHIFT) | + pte.pte_high = (pfn << PFN_PTE_SHIFT) | (pgprot_val(prot) & ~_PFN_MASK); return pte; } @@ -184,9 +184,9 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot) #else #define MAX_POSSIBLE_PHYSMEM_BITS 32 -#define pte_pfn(x) ((unsigned long)((x).pte >> _PFN_SHIFT)) -#define pfn_pte(pfn, prot) __pte(((unsigned long long)(pfn) << _PFN_SHIFT) | pgprot_val(prot)) -#define pfn_pmd(pfn, prot) __pmd(((unsigned long long)(pfn) << _PFN_SHIFT) | pgprot_val(prot)) +#define pte_pfn(x) ((unsigned long)((x).pte >> PFN_PTE_SHIFT)) +#define pfn_pte(pfn, prot) __pte(((unsigned long long)(pfn) << PFN_PTE_SHIFT) | pgprot_val(prot)) +#define pfn_pmd(pfn, prot) __pmd(((unsigned long long)(pfn) << PFN_PTE_SHIFT) | pgprot_val(prot)) #endif /* defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32) */ #define pte_page(x) pfn_to_page(pte_pfn(x)) diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h index 98e24e3e7f2b..20ca48c1b606 100644 --- a/arch/mips/include/asm/pgtable-64.h +++ b/arch/mips/include/asm/pgtable-64.h @@ -298,9 +298,9 @@ static inline void pud_clear(pud_t *pudp) #define pte_page(x) pfn_to_page(pte_pfn(x)) -#define pte_pfn(x) ((unsigned long)((x).pte >> _PFN_SHIFT)) -#define pfn_pte(pfn, prot) __pte(((pfn) << _PFN_SHIFT) | pgprot_val(prot)) -#define pfn_pmd(pfn, prot) __pmd(((pfn) << _PFN_SHIFT) | pgprot_val(prot)) +#define pte_pfn(x) ((unsigned long)((x).pte >> PFN_PTE_SHIFT)) +#define pfn_pte(pfn, prot) __pte(((pfn) << PFN_PTE_SHIFT) | pgprot_val(prot)) +#define pfn_pmd(pfn, prot) __pmd(((pfn) << PFN_PTE_SHIFT) | pgprot_val(prot)) #ifndef __PAGETABLE_PMD_FOLDED static inline pmd_t *pud_pgtable(pud_t pud) diff --git a/arch/mips/include/asm/pgtable-bits.h b/arch/mips/include/asm/pgtable-bits.h index 1c576679aa87..421e78c30253 100644 --- a/arch/mips/include/asm/pgtable-bits.h +++ b/arch/mips/include/asm/pgtable-bits.h @@ -182,10 +182,10 @@ enum pgtable_bits { #if defined(CONFIG_CPU_R3K_TLB) # define _CACHE_UNCACHED (1 << _CACHE_UNCACHED_SHIFT) # define _CACHE_MASK _CACHE_UNCACHED -# define _PFN_SHIFT PAGE_SHIFT +# define PFN_PTE_SHIFT PAGE_SHIFT #else # define _CACHE_MASK (7 << _CACHE_SHIFT) -# define _PFN_SHIFT (PAGE_SHIFT - 12 + _CACHE_SHIFT + 3) +# define PFN_PTE_SHIFT (PAGE_SHIFT - 12 + _CACHE_SHIFT + 3) #endif #ifndef _PAGE_NO_EXEC @@ -195,7 +195,7 @@ enum pgtable_bits { #define _PAGE_SILENT_READ _PAGE_VALID #define _PAGE_SILENT_WRITE _PAGE_DIRTY -#define _PFN_MASK (~((1 << (_PFN_SHIFT)) - 1)) +#define _PFN_MASK (~((1 << (PFN_PTE_SHIFT)) - 1)) /* * The final layouts of the PTE bits are: diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index 574fa14ac8b2..cbb93a834f52 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -66,7 +66,7 @@ extern void paging_init(void); static inline unsigned long pmd_pfn(pmd_t pmd) { - return pmd_val(pmd) >> _PFN_SHIFT; + return pmd_val(pmd) >> PFN_PTE_SHIFT; } #ifndef CONFIG_MIPS_HUGE_TLB_SUPPORT @@ -105,9 +105,6 @@ do { \ } \ } while(0) -static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t pteval); - #if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32) #ifdef CONFIG_XPA @@ -157,7 +154,7 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *pt null.pte_low = null.pte_high = _PAGE_GLOBAL; } - set_pte_at(mm, addr, ptep, null); + set_pte(ptep, null); htw_start(); } #else @@ -196,28 +193,41 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *pt #if !defined(CONFIG_CPU_R3K_TLB) /* Preserve global status for the pair */ if (pte_val(*ptep_buddy(ptep)) & _PAGE_GLOBAL) - set_pte_at(mm, addr, ptep, __pte(_PAGE_GLOBAL)); + set_pte(ptep, __pte(_PAGE_GLOBAL)); else #endif - set_pte_at(mm, addr, ptep, __pte(0)); + set_pte(ptep, __pte(0)); htw_start(); } #endif -static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t pteval) +static inline void set_ptes(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte, unsigned int nr) { + unsigned int i; + bool do_sync = false; - if (!pte_present(pteval)) - goto cache_sync_done; + for (i = 0; i < nr; i++) { + if (!pte_present(pte)) + continue; + if (pte_present(ptep[i]) && + (pte_pfn(ptep[i]) == pte_pfn(pte))) + continue; + do_sync = true; + } - if (pte_present(*ptep) && (pte_pfn(*ptep) == pte_pfn(pteval))) - goto cache_sync_done; + if (do_sync) + __update_cache(addr, pte); - __update_cache(addr, pteval); -cache_sync_done: - set_pte(ptep, pteval); + for (;;) { + set_pte(ptep, pte); + if (--nr == 0) + break; + ptep++; + pte = __pte(pte_val(pte) + (1UL << PFN_PTE_SHIFT)); + } } +#define set_ptes set_ptes /* * (pmds are folded into puds so this doesn't get actually called, @@ -486,7 +496,7 @@ static inline int ptep_set_access_flags(struct vm_area_struct *vma, pte_t entry, int dirty) { if (!pte_same(*ptep, entry)) - set_pte_at(vma->vm_mm, address, ptep, entry); + set_pte(ptep, entry); /* * update_mmu_cache will unconditionally execute, handling both * the case that the PTE changed and the spurious fault case. @@ -568,12 +578,21 @@ static inline pte_t pte_swp_clear_exclusive(pte_t pte) extern void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte); -static inline void update_mmu_cache(struct vm_area_struct *vma, - unsigned long address, pte_t *ptep) -{ - pte_t pte = *ptep; - __update_tlb(vma, address, pte); +static inline void update_mmu_cache_range(struct vm_fault *vmf, + struct vm_area_struct *vma, unsigned long address, + pte_t *ptep, unsigned int nr) +{ + for (;;) { + pte_t pte = *ptep; + __update_tlb(vma, address, pte); + if (--nr == 0) + break; + ptep++; + address += PAGE_SIZE; + } } +#define update_mmu_cache(vma, address, ptep) \ + update_mmu_cache_range(NULL, vma, address, ptep, 1) #define __HAVE_ARCH_UPDATE_MMU_TLB #define update_mmu_tlb update_mmu_cache diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index a3225912c862..5387ed0a5186 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -750,9 +750,9 @@ static void raise_backtrace(cpumask_t *mask) } } -void arch_trigger_cpumask_backtrace(const cpumask_t *mask, bool exclude_self) +void arch_trigger_cpumask_backtrace(const cpumask_t *mask, int exclude_cpu) { - nmi_trigger_cpumask_backtrace(mask, exclude_self, raise_backtrace); + nmi_trigger_cpumask_backtrace(mask, exclude_cpu, raise_backtrace); } int mips_get_process_fp_mode(struct task_struct *task) diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl index 1976317d4e8b..152034b8e0a0 100644 --- a/arch/mips/kernel/syscalls/syscall_n32.tbl +++ b/arch/mips/kernel/syscalls/syscall_n32.tbl @@ -390,3 +390,4 @@ 449 n32 futex_waitv sys_futex_waitv 450 n32 set_mempolicy_home_node sys_set_mempolicy_home_node 451 n32 cachestat sys_cachestat +452 n32 fchmodat2 sys_fchmodat2 diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl index cfda2511badf..cb5e757f6621 100644 --- a/arch/mips/kernel/syscalls/syscall_n64.tbl +++ b/arch/mips/kernel/syscalls/syscall_n64.tbl @@ -366,3 +366,4 @@ 449 n64 futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node 451 n64 cachestat sys_cachestat +452 n64 fchmodat2 sys_fchmodat2 diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl index 7692234c3768..1a646813afdc 100644 --- a/arch/mips/kernel/syscalls/syscall_o32.tbl +++ b/arch/mips/kernel/syscalls/syscall_o32.tbl @@ -439,3 +439,4 @@ 449 o32 futex_waitv sys_futex_waitv 450 o32 set_mempolicy_home_node sys_set_mempolicy_home_node 451 o32 cachestat sys_cachestat +452 o32 fchmodat2 sys_fchmodat2 diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 4b6554b48923..187d1c16361c 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -568,13 +568,14 @@ static inline void local_r4k_flush_cache_page(void *args) if ((mm == current->active_mm) && (pte_val(*ptep) & _PAGE_VALID)) vaddr = NULL; else { + struct folio *folio = page_folio(page); /* * Use kmap_coherent or kmap_atomic to do flushes for * another ASID than the current one. */ map_coherent = (cpu_has_dc_aliases && - page_mapcount(page) && - !Page_dcache_dirty(page)); + folio_mapped(folio) && + !folio_test_dcache_dirty(folio)); if (map_coherent) vaddr = kmap_coherent(page, addr); else diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c index d21cf8c6cf6c..02042100e267 100644 --- a/arch/mips/mm/cache.c +++ b/arch/mips/mm/cache.c @@ -99,13 +99,15 @@ SYSCALL_DEFINE3(cacheflush, unsigned long, addr, unsigned long, bytes, return 0; } -void __flush_dcache_page(struct page *page) +void __flush_dcache_pages(struct page *page, unsigned int nr) { - struct address_space *mapping = page_mapping_file(page); + struct folio *folio = page_folio(page); + struct address_space *mapping = folio_flush_mapping(folio); unsigned long addr; + unsigned int i; if (mapping && !mapping_mapped(mapping)) { - SetPageDcacheDirty(page); + folio_set_dcache_dirty(folio); return; } @@ -114,25 +116,21 @@ void __flush_dcache_page(struct page *page) * case is for exec env/arg pages and those are %99 certainly going to * get faulted into the tlb (and thus flushed) anyways. */ - if (PageHighMem(page)) - addr = (unsigned long)kmap_atomic(page); - else - addr = (unsigned long)page_address(page); - - flush_data_cache_page(addr); - - if (PageHighMem(page)) - kunmap_atomic((void *)addr); + for (i = 0; i < nr; i++) { + addr = (unsigned long)kmap_local_page(page + i); + flush_data_cache_page(addr); + kunmap_local((void *)addr); + } } - -EXPORT_SYMBOL(__flush_dcache_page); +EXPORT_SYMBOL(__flush_dcache_pages); void __flush_anon_page(struct page *page, unsigned long vmaddr) { unsigned long addr = (unsigned long) page_address(page); + struct folio *folio = page_folio(page); if (pages_do_alias(addr, vmaddr)) { - if (page_mapcount(page) && !Page_dcache_dirty(page)) { + if (folio_mapped(folio) && !folio_test_dcache_dirty(folio)) { void *kaddr; kaddr = kmap_coherent(page, vmaddr); @@ -147,27 +145,29 @@ EXPORT_SYMBOL(__flush_anon_page); void __update_cache(unsigned long address, pte_t pte) { - struct page *page; + struct folio *folio; unsigned long pfn, addr; int exec = !pte_no_exec(pte) && !cpu_has_ic_fills_f_dc; + unsigned int i; pfn = pte_pfn(pte); if (unlikely(!pfn_valid(pfn))) return; - page = pfn_to_page(pfn); - if (Page_dcache_dirty(page)) { - if (PageHighMem(page)) - addr = (unsigned long)kmap_atomic(page); - else - addr = (unsigned long)page_address(page); - - if (exec || pages_do_alias(addr, address & PAGE_MASK)) - flush_data_cache_page(addr); - if (PageHighMem(page)) - kunmap_atomic((void *)addr); + folio = page_folio(pfn_to_page(pfn)); + address &= PAGE_MASK; + address -= offset_in_folio(folio, pfn << PAGE_SHIFT); + + if (folio_test_dcache_dirty(folio)) { + for (i = 0; i < folio_nr_pages(folio); i++) { + addr = (unsigned long)kmap_local_folio(folio, i); - ClearPageDcacheDirty(page); + if (exec || pages_do_alias(addr, address)) + flush_data_cache_page(addr); + kunmap_local((void *)addr); + address += PAGE_SIZE; + } + folio_clear_dcache_dirty(folio); } } diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 5a8002839550..5dcb525a8995 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -88,7 +88,7 @@ static void *__kmap_pgprot(struct page *page, unsigned long addr, pgprot_t prot) pte_t pte; int tlbidx; - BUG_ON(Page_dcache_dirty(page)); + BUG_ON(folio_test_dcache_dirty(page_folio(page))); preempt_disable(); pagefault_disable(); @@ -169,11 +169,12 @@ void kunmap_coherent(void) void copy_user_highpage(struct page *to, struct page *from, unsigned long vaddr, struct vm_area_struct *vma) { + struct folio *src = page_folio(from); void *vfrom, *vto; vto = kmap_atomic(to); if (cpu_has_dc_aliases && - page_mapcount(from) && !Page_dcache_dirty(from)) { + folio_mapped(src) && !folio_test_dcache_dirty(src)) { vfrom = kmap_coherent(from, vaddr); copy_page(vto, vfrom); kunmap_coherent(); @@ -194,15 +195,17 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page, unsigned long vaddr, void *dst, const void *src, unsigned long len) { + struct folio *folio = page_folio(page); + if (cpu_has_dc_aliases && - page_mapcount(page) && !Page_dcache_dirty(page)) { + folio_mapped(folio) && !folio_test_dcache_dirty(folio)) { void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK); memcpy(vto, src, len); kunmap_coherent(); } else { memcpy(dst, src, len); if (cpu_has_dc_aliases) - SetPageDcacheDirty(page); + folio_set_dcache_dirty(folio); } if (vma->vm_flags & VM_EXEC) flush_cache_page(vma, vaddr, page_to_pfn(page)); @@ -212,15 +215,17 @@ void copy_from_user_page(struct vm_area_struct *vma, struct page *page, unsigned long vaddr, void *dst, const void *src, unsigned long len) { + struct folio *folio = page_folio(page); + if (cpu_has_dc_aliases && - page_mapcount(page) && !Page_dcache_dirty(page)) { + folio_mapped(folio) && !folio_test_dcache_dirty(folio)) { void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK); memcpy(dst, vfrom, len); kunmap_coherent(); } else { memcpy(dst, src, len); if (cpu_has_dc_aliases) - SetPageDcacheDirty(page); + folio_set_dcache_dirty(folio); } } EXPORT_SYMBOL_GPL(copy_from_user_page); @@ -448,10 +453,10 @@ static inline void __init mem_init_free_highmem(void) void __init mem_init(void) { /* - * When _PFN_SHIFT is greater than PAGE_SHIFT we won't have enough PTE + * When PFN_PTE_SHIFT is greater than PAGE_SHIFT we won't have enough PTE * bits to hold a full 32b physical address on MIPS32 systems. */ - BUILD_BUG_ON(IS_ENABLED(CONFIG_32BIT) && (_PFN_SHIFT > PAGE_SHIFT)); + BUILD_BUG_ON(IS_ENABLED(CONFIG_32BIT) && (PFN_PTE_SHIFT > PAGE_SHIFT)); #ifdef CONFIG_HIGHMEM max_mapnr = highend_pfn ? highend_pfn : max_low_pfn; diff --git a/arch/mips/mm/pgtable-32.c b/arch/mips/mm/pgtable-32.c index f57fb69472f8..84dd5136d53a 100644 --- a/arch/mips/mm/pgtable-32.c +++ b/arch/mips/mm/pgtable-32.c @@ -35,7 +35,7 @@ pmd_t mk_pmd(struct page *page, pgprot_t prot) { pmd_t pmd; - pmd_val(pmd) = (page_to_pfn(page) << _PFN_SHIFT) | pgprot_val(prot); + pmd_val(pmd) = (page_to_pfn(page) << PFN_PTE_SHIFT) | pgprot_val(prot); return pmd; } diff --git a/arch/mips/mm/pgtable-64.c b/arch/mips/mm/pgtable-64.c index b4386a0e2ef8..c76d21f7dffb 100644 --- a/arch/mips/mm/pgtable-64.c +++ b/arch/mips/mm/pgtable-64.c @@ -93,7 +93,7 @@ pmd_t mk_pmd(struct page *page, pgprot_t prot) { pmd_t pmd; - pmd_val(pmd) = (page_to_pfn(page) << _PFN_SHIFT) | pgprot_val(prot); + pmd_val(pmd) = (page_to_pfn(page) << PFN_PTE_SHIFT) | pgprot_val(prot); return pmd; } diff --git a/arch/mips/mm/pgtable.c b/arch/mips/mm/pgtable.c index b13314be5d0e..1506e458040d 100644 --- a/arch/mips/mm/pgtable.c +++ b/arch/mips/mm/pgtable.c @@ -10,10 +10,12 @@ pgd_t *pgd_alloc(struct mm_struct *mm) { - pgd_t *ret, *init; + pgd_t *init, *ret = NULL; + struct ptdesc *ptdesc = pagetable_alloc(GFP_KERNEL & ~__GFP_HIGHMEM, + PGD_TABLE_ORDER); - ret = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_TABLE_ORDER); - if (ret) { + if (ptdesc) { + ret = ptdesc_address(ptdesc); init = pgd_offset(&init_mm, 0UL); pgd_init(ret); memcpy(ret + USER_PTRS_PER_PGD, init + USER_PTRS_PER_PGD, diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 8d514a9082c6..b4e1c783e617 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -253,7 +253,7 @@ static void output_pgtable_bits_defines(void) pr_define("_PAGE_GLOBAL_SHIFT %d\n", _PAGE_GLOBAL_SHIFT); pr_define("_PAGE_VALID_SHIFT %d\n", _PAGE_VALID_SHIFT); pr_define("_PAGE_DIRTY_SHIFT %d\n", _PAGE_DIRTY_SHIFT); - pr_define("_PFN_SHIFT %d\n", _PFN_SHIFT); + pr_define("PFN_PTE_SHIFT %d\n", PFN_PTE_SHIFT); pr_debug("\n"); } |