diff options
Diffstat (limited to 'arch')
42 files changed, 206 insertions, 92 deletions
diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi index 77e8436beed4..3a1c6b45c9a1 100644 --- a/arch/arm/boot/dts/sun4i-a10.dtsi +++ b/arch/arm/boot/dts/sun4i-a10.dtsi @@ -76,7 +76,7 @@ allwinner,pipeline = "de_fe0-de_be0-lcd0-hdmi"; clocks = <&ccu CLK_AHB_LCD0>, <&ccu CLK_AHB_HDMI0>, <&ccu CLK_AHB_DE_BE0>, <&ccu CLK_AHB_DE_FE0>, - <&ccu CLK_DE_BE0>, <&ccu CLK_AHB_DE_FE0>, + <&ccu CLK_DE_BE0>, <&ccu CLK_DE_FE0>, <&ccu CLK_TCON0_CH1>, <&ccu CLK_HDMI>, <&ccu CLK_DRAM_DE_FE0>, <&ccu CLK_DRAM_DE_BE0>; status = "disabled"; @@ -88,7 +88,7 @@ allwinner,pipeline = "de_fe0-de_be0-lcd0"; clocks = <&ccu CLK_AHB_LCD0>, <&ccu CLK_AHB_DE_BE0>, <&ccu CLK_AHB_DE_FE0>, <&ccu CLK_DE_BE0>, - <&ccu CLK_AHB_DE_FE0>, <&ccu CLK_TCON0_CH0>, + <&ccu CLK_DE_FE0>, <&ccu CLK_TCON0_CH0>, <&ccu CLK_DRAM_DE_FE0>, <&ccu CLK_DRAM_DE_BE0>; status = "disabled"; }; @@ -99,7 +99,7 @@ allwinner,pipeline = "de_fe0-de_be0-lcd0-tve0"; clocks = <&ccu CLK_AHB_TVE0>, <&ccu CLK_AHB_LCD0>, <&ccu CLK_AHB_DE_BE0>, <&ccu CLK_AHB_DE_FE0>, - <&ccu CLK_DE_BE0>, <&ccu CLK_AHB_DE_FE0>, + <&ccu CLK_DE_BE0>, <&ccu CLK_DE_FE0>, <&ccu CLK_TCON0_CH1>, <&ccu CLK_DRAM_TVE0>, <&ccu CLK_DRAM_DE_FE0>, <&ccu CLK_DRAM_DE_BE0>; status = "disabled"; diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts index 3328fe583c9b..232f124ce62c 100644 --- a/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts +++ b/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts @@ -117,6 +117,7 @@ phy-handle = <&int_mii_phy>; phy-mode = "mii"; allwinner,leds-active-low; + status = "okay"; }; &hdmi { diff --git a/arch/arm/boot/dts/sun8i-v3s-licheepi-zero-dock.dts b/arch/arm/boot/dts/sun8i-v3s-licheepi-zero-dock.dts index d1311098ea45..ad173605b1b8 100644 --- a/arch/arm/boot/dts/sun8i-v3s-licheepi-zero-dock.dts +++ b/arch/arm/boot/dts/sun8i-v3s-licheepi-zero-dock.dts @@ -51,7 +51,7 @@ leds { /* The LEDs use PG0~2 pins, which conflict with MMC1 */ - status = "disbaled"; + status = "disabled"; }; }; diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index e70feec6fad5..0581ffbedddd 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -323,7 +323,7 @@ void __init ep93xx_register_eth(struct ep93xx_eth_data *data, int copy_addr) /* All EP93xx devices use the same two GPIO pins for I2C bit-banging */ static struct gpiod_lookup_table ep93xx_i2c_gpiod_table = { - .dev_id = "i2c-gpio", + .dev_id = "i2c-gpio.0", .table = { /* Use local offsets on gpiochip/port "G" */ GPIO_LOOKUP_IDX("G", 1, NULL, 0, diff --git a/arch/arm/mach-ixp4xx/avila-setup.c b/arch/arm/mach-ixp4xx/avila-setup.c index 77def6169f50..44cbbce6bda6 100644 --- a/arch/arm/mach-ixp4xx/avila-setup.c +++ b/arch/arm/mach-ixp4xx/avila-setup.c @@ -51,7 +51,7 @@ static struct platform_device avila_flash = { }; static struct gpiod_lookup_table avila_i2c_gpiod_table = { - .dev_id = "i2c-gpio", + .dev_id = "i2c-gpio.0", .table = { GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", AVILA_SDA_PIN, NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), diff --git a/arch/arm/mach-ixp4xx/dsmg600-setup.c b/arch/arm/mach-ixp4xx/dsmg600-setup.c index 0f5c99941a7d..397190f3a8da 100644 --- a/arch/arm/mach-ixp4xx/dsmg600-setup.c +++ b/arch/arm/mach-ixp4xx/dsmg600-setup.c @@ -70,7 +70,7 @@ static struct platform_device dsmg600_flash = { }; static struct gpiod_lookup_table dsmg600_i2c_gpiod_table = { - .dev_id = "i2c-gpio", + .dev_id = "i2c-gpio.0", .table = { GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", DSMG600_SDA_PIN, NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), diff --git a/arch/arm/mach-ixp4xx/fsg-setup.c b/arch/arm/mach-ixp4xx/fsg-setup.c index 033f79b35d51..f0a152e365b1 100644 --- a/arch/arm/mach-ixp4xx/fsg-setup.c +++ b/arch/arm/mach-ixp4xx/fsg-setup.c @@ -56,7 +56,7 @@ static struct platform_device fsg_flash = { }; static struct gpiod_lookup_table fsg_i2c_gpiod_table = { - .dev_id = "i2c-gpio", + .dev_id = "i2c-gpio.0", .table = { GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", FSG_SDA_PIN, NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), diff --git a/arch/arm/mach-ixp4xx/ixdp425-setup.c b/arch/arm/mach-ixp4xx/ixdp425-setup.c index b168e2fbdbeb..3ec829d52cdd 100644 --- a/arch/arm/mach-ixp4xx/ixdp425-setup.c +++ b/arch/arm/mach-ixp4xx/ixdp425-setup.c @@ -124,7 +124,7 @@ static struct platform_device ixdp425_flash_nand = { #endif /* CONFIG_MTD_NAND_PLATFORM */ static struct gpiod_lookup_table ixdp425_i2c_gpiod_table = { - .dev_id = "i2c-gpio", + .dev_id = "i2c-gpio.0", .table = { GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", IXDP425_SDA_PIN, NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), diff --git a/arch/arm/mach-ixp4xx/nas100d-setup.c b/arch/arm/mach-ixp4xx/nas100d-setup.c index 76dfff03cb71..4138d6aa4c52 100644 --- a/arch/arm/mach-ixp4xx/nas100d-setup.c +++ b/arch/arm/mach-ixp4xx/nas100d-setup.c @@ -102,7 +102,7 @@ static struct platform_device nas100d_leds = { }; static struct gpiod_lookup_table nas100d_i2c_gpiod_table = { - .dev_id = "i2c-gpio", + .dev_id = "i2c-gpio.0", .table = { GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", NAS100D_SDA_PIN, NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c index 91da63a7d7b5..341b263482ef 100644 --- a/arch/arm/mach-ixp4xx/nslu2-setup.c +++ b/arch/arm/mach-ixp4xx/nslu2-setup.c @@ -70,7 +70,7 @@ static struct platform_device nslu2_flash = { }; static struct gpiod_lookup_table nslu2_i2c_gpiod_table = { - .dev_id = "i2c-gpio", + .dev_id = "i2c-gpio.0", .table = { GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", NSLU2_SDA_PIN, NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), diff --git a/arch/arm/mach-pxa/palmz72.c b/arch/arm/mach-pxa/palmz72.c index 5877e547cecd..0adb1bd6208e 100644 --- a/arch/arm/mach-pxa/palmz72.c +++ b/arch/arm/mach-pxa/palmz72.c @@ -322,7 +322,7 @@ static struct soc_camera_link palmz72_iclink = { }; static struct gpiod_lookup_table palmz72_i2c_gpiod_table = { - .dev_id = "i2c-gpio", + .dev_id = "i2c-gpio.0", .table = { GPIO_LOOKUP_IDX("gpio-pxa", 118, NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c index 90d0f277de55..207dcc2e94e7 100644 --- a/arch/arm/mach-pxa/viper.c +++ b/arch/arm/mach-pxa/viper.c @@ -460,7 +460,7 @@ static struct platform_device smc91x_device = { /* i2c */ static struct gpiod_lookup_table viper_i2c_gpiod_table = { - .dev_id = "i2c-gpio", + .dev_id = "i2c-gpio.1", .table = { GPIO_LOOKUP_IDX("gpio-pxa", VIPER_RTC_I2C_SDA_GPIO, NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), @@ -789,7 +789,7 @@ static int __init viper_tpm_setup(char *str) __setup("tpm=", viper_tpm_setup); struct gpiod_lookup_table viper_tpm_i2c_gpiod_table = { - .dev_id = "i2c-gpio", + .dev_id = "i2c-gpio.2", .table = { GPIO_LOOKUP_IDX("gpio-pxa", VIPER_TPM_I2C_SDA_GPIO, NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c index ace010479eb6..f45aed2519ba 100644 --- a/arch/arm/mach-sa1100/simpad.c +++ b/arch/arm/mach-sa1100/simpad.c @@ -327,7 +327,7 @@ static struct platform_device simpad_gpio_leds = { * i2c */ static struct gpiod_lookup_table simpad_i2c_gpiod_table = { - .dev_id = "i2c-gpio", + .dev_id = "i2c-gpio.0", .table = { GPIO_LOOKUP_IDX("gpio", 21, NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts index 724a0d3b7683..edb4ee0b8896 100644 --- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts +++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts @@ -299,7 +299,6 @@ /* GPIO blocks 16 thru 19 do not appear to be routed to pins */ dwmmc_0: dwmmc0@f723d000 { - max-frequency = <150000000>; cap-mmc-highspeed; mmc-hs200-1_8v; non-removable; diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index b9e9bf628849..3775a8d694fb 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -721,6 +721,10 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value) if (value & ~known_bits) return -EOPNOTSUPP; + /* Setting FRE without FR is not supported. */ + if ((value & (PR_FP_MODE_FR | PR_FP_MODE_FRE)) == PR_FP_MODE_FRE) + return -EOPNOTSUPP; + /* Avoid inadvertently triggering emulation */ if ((value & PR_FP_MODE_FR) && raw_cpu_has_fpu && !(raw_current_cpu_data.fpu_id & MIPS_FPIR_F64)) diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index 8d098b9f395c..0c0c23c9c9f5 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -818,7 +818,7 @@ long arch_ptrace(struct task_struct *child, long request, break; } #endif - tmp = get_fpr32(&fregs[addr - FPR_BASE], 0); + tmp = get_fpr64(&fregs[addr - FPR_BASE], 0); break; case PC: tmp = regs->cp0_epc; diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c index 656a137c1fe2..f30c381d3e1c 100644 --- a/arch/mips/kernel/ptrace32.c +++ b/arch/mips/kernel/ptrace32.c @@ -109,7 +109,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, addr & 1); break; } - tmp = get_fpr32(&fregs[addr - FPR_BASE], 0); + tmp = get_fpr64(&fregs[addr - FPR_BASE], 0); break; case PC: tmp = regs->cp0_epc; diff --git a/arch/nds32/Kconfig b/arch/nds32/Kconfig index 249f38d3388f..b7404f2dcf5b 100644 --- a/arch/nds32/Kconfig +++ b/arch/nds32/Kconfig @@ -9,6 +9,12 @@ config NDS32 select CLKSRC_MMIO select CLONE_BACKWARDS select COMMON_CLK + select GENERIC_ASHLDI3 + select GENERIC_ASHRDI3 + select GENERIC_LSHRDI3 + select GENERIC_CMPDI2 + select GENERIC_MULDI3 + select GENERIC_UCMPDI2 select GENERIC_ATOMIC64 select GENERIC_CPU_DEVICES select GENERIC_CLOCKEVENTS @@ -82,6 +88,7 @@ endmenu menu "Kernel Features" source "kernel/Kconfig.preempt" +source "kernel/Kconfig.freezer" source "mm/Kconfig" source "kernel/Kconfig.hz" endmenu diff --git a/arch/nds32/Kconfig.cpu b/arch/nds32/Kconfig.cpu index ba44cc539da9..b8c8984d1456 100644 --- a/arch/nds32/Kconfig.cpu +++ b/arch/nds32/Kconfig.cpu @@ -1,10 +1,11 @@ comment "Processor Features" config CPU_BIG_ENDIAN - bool "Big endian" + def_bool !CPU_LITTLE_ENDIAN config CPU_LITTLE_ENDIAN - def_bool !CPU_BIG_ENDIAN + bool "Little endian" + default y config HWZOL bool "hardware zero overhead loop support" diff --git a/arch/nds32/Makefile b/arch/nds32/Makefile index 91f933d5a962..513bb2e9baf9 100644 --- a/arch/nds32/Makefile +++ b/arch/nds32/Makefile @@ -23,9 +23,6 @@ export TEXTADDR # If we have a machine-specific directory, then include it in the build. core-y += arch/nds32/kernel/ arch/nds32/mm/ libs-y += arch/nds32/lib/ -LIBGCC_PATH := \ - $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name) -libs-y += $(LIBGCC_PATH) ifneq '$(CONFIG_NDS32_BUILTIN_DTB)' '""' BUILTIN_DTB := y @@ -35,8 +32,12 @@ endif ifdef CONFIG_CPU_LITTLE_ENDIAN KBUILD_CFLAGS += $(call cc-option, -EL) +KBUILD_AFLAGS += $(call cc-option, -EL) +LDFLAGS += $(call cc-option, -EL) else KBUILD_CFLAGS += $(call cc-option, -EB) +KBUILD_AFLAGS += $(call cc-option, -EB) +LDFLAGS += $(call cc-option, -EB) endif boot := arch/nds32/boot diff --git a/arch/nds32/include/asm/Kbuild b/arch/nds32/include/asm/Kbuild index 06bdf8167f5a..142e612aa639 100644 --- a/arch/nds32/include/asm/Kbuild +++ b/arch/nds32/include/asm/Kbuild @@ -16,6 +16,7 @@ generic-y += dma.h generic-y += emergency-restart.h generic-y += errno.h generic-y += exec.h +generic-y += export.h generic-y += fb.h generic-y += fcntl.h generic-y += ftrace.h @@ -49,6 +50,7 @@ generic-y += switch_to.h generic-y += timex.h generic-y += topology.h generic-y += trace_clock.h +generic-y += xor.h generic-y += unaligned.h generic-y += user.h generic-y += vga.h diff --git a/arch/nds32/include/asm/bitfield.h b/arch/nds32/include/asm/bitfield.h index c73f71d67744..8e84fc385b94 100644 --- a/arch/nds32/include/asm/bitfield.h +++ b/arch/nds32/include/asm/bitfield.h @@ -336,7 +336,7 @@ #define INT_MASK_mskIDIVZE ( 0x1 << INT_MASK_offIDIVZE ) #define INT_MASK_mskDSSIM ( 0x1 << INT_MASK_offDSSIM ) -#define INT_MASK_INITAIAL_VAL 0x10003 +#define INT_MASK_INITAIAL_VAL (INT_MASK_mskDSSIM|INT_MASK_mskIDIVZE) /****************************************************************************** * ir15: INT_PEND (Interrupt Pending Register) @@ -396,6 +396,7 @@ #define MMU_CTL_D8KB 1 #define MMU_CTL_UNA ( 0x1 << MMU_CTL_offUNA ) +#define MMU_CTL_CACHEABLE_NON 0 #define MMU_CTL_CACHEABLE_WB 2 #define MMU_CTL_CACHEABLE_WT 3 diff --git a/arch/nds32/include/asm/cacheflush.h b/arch/nds32/include/asm/cacheflush.h index 1240f148ec0f..10b48f0d8e85 100644 --- a/arch/nds32/include/asm/cacheflush.h +++ b/arch/nds32/include/asm/cacheflush.h @@ -32,6 +32,8 @@ void flush_anon_page(struct vm_area_struct *vma, #define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE void flush_kernel_dcache_page(struct page *page); +void flush_kernel_vmap_range(void *addr, int size); +void invalidate_kernel_vmap_range(void *addr, int size); void flush_icache_range(unsigned long start, unsigned long end); void flush_icache_page(struct vm_area_struct *vma, struct page *page); #define flush_dcache_mmap_lock(mapping) xa_lock_irq(&(mapping)->i_pages) diff --git a/arch/nds32/include/asm/io.h b/arch/nds32/include/asm/io.h index 966e71b3c960..71cd226d6863 100644 --- a/arch/nds32/include/asm/io.h +++ b/arch/nds32/include/asm/io.h @@ -4,6 +4,8 @@ #ifndef __ASM_NDS32_IO_H #define __ASM_NDS32_IO_H +#include <linux/types.h> + extern void iounmap(volatile void __iomem *addr); #define __raw_writeb __raw_writeb static inline void __raw_writeb(u8 val, volatile void __iomem *addr) diff --git a/arch/nds32/include/asm/page.h b/arch/nds32/include/asm/page.h index e27365c097b6..947f0491c9a7 100644 --- a/arch/nds32/include/asm/page.h +++ b/arch/nds32/include/asm/page.h @@ -27,6 +27,9 @@ extern void copy_user_highpage(struct page *to, struct page *from, unsigned long vaddr, struct vm_area_struct *vma); extern void clear_user_highpage(struct page *page, unsigned long vaddr); +void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, + struct page *to); +void clear_user_page(void *addr, unsigned long vaddr, struct page *page); #define __HAVE_ARCH_COPY_USER_HIGHPAGE #define clear_user_highpage clear_user_highpage #else diff --git a/arch/nds32/include/asm/pgtable.h b/arch/nds32/include/asm/pgtable.h index 6783937edbeb..d3e19a55cf53 100644 --- a/arch/nds32/include/asm/pgtable.h +++ b/arch/nds32/include/asm/pgtable.h @@ -152,6 +152,7 @@ extern void __pgd_error(const char *file, int line, unsigned long val); #define PAGE_CACHE_L1 __pgprot(_HAVE_PAGE_L | _PAGE_V | _PAGE_M_KRW | _PAGE_D | _PAGE_E | _PAGE_G | _PAGE_CACHE) #define PAGE_MEMORY __pgprot(_HAVE_PAGE_L | _PAGE_V | _PAGE_M_KRW | _PAGE_D | _PAGE_E | _PAGE_G | _PAGE_CACHE_SHRD) #define PAGE_KERNEL __pgprot(_PAGE_V | _PAGE_M_KRW | _PAGE_D | _PAGE_E | _PAGE_G | _PAGE_CACHE_SHRD) +#define PAGE_SHARED __pgprot(_PAGE_V | _PAGE_M_URW_KRW | _PAGE_D | _PAGE_CACHE_SHRD) #define PAGE_DEVICE __pgprot(_PAGE_V | _PAGE_M_KRW | _PAGE_D | _PAGE_G | _PAGE_C_DEV) #endif /* __ASSEMBLY__ */ diff --git a/arch/nds32/kernel/ex-entry.S b/arch/nds32/kernel/ex-entry.S index a72e83d804f5..b8ae4e9a6b93 100644 --- a/arch/nds32/kernel/ex-entry.S +++ b/arch/nds32/kernel/ex-entry.S @@ -118,7 +118,7 @@ common_exception_handler: /* interrupt */ 2: #ifdef CONFIG_TRACE_IRQFLAGS - jal arch_trace_hardirqs_off + jal trace_hardirqs_off #endif move $r0, $sp sethi $lp, hi20(ret_from_intr) diff --git a/arch/nds32/kernel/head.S b/arch/nds32/kernel/head.S index 71f57bd70f3b..c5fdae174ced 100644 --- a/arch/nds32/kernel/head.S +++ b/arch/nds32/kernel/head.S @@ -57,14 +57,32 @@ _nodtb: isb mtsr $r4, $L1_PPTB ! load page table pointer\n" -/* set NTC0 cacheable/writeback, mutliple page size in use */ +#ifdef CONFIG_CPU_DCACHE_DISABLE + #define MMU_CTL_NTCC MMU_CTL_CACHEABLE_NON +#else + #ifdef CONFIG_CPU_DCACHE_WRITETHROUGH + #define MMU_CTL_NTCC MMU_CTL_CACHEABLE_WT + #else + #define MMU_CTL_NTCC MMU_CTL_CACHEABLE_WB + #endif +#endif + +/* set NTC cacheability, mutliple page size in use */ mfsr $r3, $MMU_CTL - li $r0, #~MMU_CTL_mskNTC0 - and $r3, $r3, $r0 +#if CONFIG_MEMORY_START >= 0xc0000000 + ori $r3, $r3, (MMU_CTL_NTCC << MMU_CTL_offNTC3) +#elif CONFIG_MEMORY_START >= 0x80000000 + ori $r3, $r3, (MMU_CTL_NTCC << MMU_CTL_offNTC2) +#elif CONFIG_MEMORY_START >= 0x40000000 + ori $r3, $r3, (MMU_CTL_NTCC << MMU_CTL_offNTC1) +#else + ori $r3, $r3, (MMU_CTL_NTCC << MMU_CTL_offNTC0) +#endif + #ifdef CONFIG_ANDES_PAGE_SIZE_4KB - ori $r3, $r3, #(MMU_CTL_mskMPZIU|(MMU_CTL_CACHEABLE_WB << MMU_CTL_offNTC0)) + ori $r3, $r3, #(MMU_CTL_mskMPZIU) #else - ori $r3, $r3, #(MMU_CTL_mskMPZIU|(MMU_CTL_CACHEABLE_WB << MMU_CTL_offNTC0)|MMU_CTL_D8KB) + ori $r3, $r3, #(MMU_CTL_mskMPZIU|MMU_CTL_D8KB) #endif #ifdef CONFIG_HW_SUPPORT_UNALIGNMENT_ACCESS li $r0, #MMU_CTL_UNA diff --git a/arch/nds32/kernel/setup.c b/arch/nds32/kernel/setup.c index ba910e9e4ecb..2f5b2ccebe47 100644 --- a/arch/nds32/kernel/setup.c +++ b/arch/nds32/kernel/setup.c @@ -293,6 +293,9 @@ void __init setup_arch(char **cmdline_p) /* paging_init() sets up the MMU and marks all pages as reserved */ paging_init(); + /* invalidate all TLB entries because the new mapping is created */ + __nds32__tlbop_flua(); + /* use generic way to parse */ parse_early_param(); diff --git a/arch/nds32/kernel/stacktrace.c b/arch/nds32/kernel/stacktrace.c index bc70113c0e84..8b231e910ea6 100644 --- a/arch/nds32/kernel/stacktrace.c +++ b/arch/nds32/kernel/stacktrace.c @@ -9,6 +9,7 @@ void save_stack_trace(struct stack_trace *trace) { save_stack_trace_tsk(current, trace); } +EXPORT_SYMBOL_GPL(save_stack_trace); void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) { @@ -45,3 +46,4 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) fpn = (unsigned long *)fpp; } } +EXPORT_SYMBOL_GPL(save_stack_trace_tsk); diff --git a/arch/nds32/kernel/vdso.c b/arch/nds32/kernel/vdso.c index f1198d7a5654..016f15891f6d 100644 --- a/arch/nds32/kernel/vdso.c +++ b/arch/nds32/kernel/vdso.c @@ -23,7 +23,7 @@ #include <asm/vdso_timer_info.h> #include <asm/cache_info.h> extern struct cache_info L1_cache_info[2]; -extern char vdso_start, vdso_end; +extern char vdso_start[], vdso_end[]; static unsigned long vdso_pages __ro_after_init; static unsigned long timer_mapping_base; @@ -66,16 +66,16 @@ static int __init vdso_init(void) int i; struct page **vdso_pagelist; - if (memcmp(&vdso_start, "\177ELF", 4)) { + if (memcmp(vdso_start, "\177ELF", 4)) { pr_err("vDSO is not a valid ELF object!\n"); return -EINVAL; } /* Creat a timer io mapping to get clock cycles counter */ get_timer_node_info(); - vdso_pages = (&vdso_end - &vdso_start) >> PAGE_SHIFT; + vdso_pages = (vdso_end - vdso_start) >> PAGE_SHIFT; pr_info("vdso: %ld pages (%ld code @ %p, %ld data @ %p)\n", - vdso_pages + 1, vdso_pages, &vdso_start, 1L, vdso_data); + vdso_pages + 1, vdso_pages, vdso_start, 1L, vdso_data); /* Allocate the vDSO pagelist */ vdso_pagelist = kcalloc(vdso_pages, sizeof(struct page *), GFP_KERNEL); @@ -83,7 +83,7 @@ static int __init vdso_init(void) return -ENOMEM; for (i = 0; i < vdso_pages; i++) - vdso_pagelist[i] = virt_to_page(&vdso_start + i * PAGE_SIZE); + vdso_pagelist[i] = virt_to_page(vdso_start + i * PAGE_SIZE); vdso_spec[1].pages = &vdso_pagelist[0]; return 0; diff --git a/arch/nds32/lib/copy_page.S b/arch/nds32/lib/copy_page.S index 4a2ff85f17ee..f8701ed161a8 100644 --- a/arch/nds32/lib/copy_page.S +++ b/arch/nds32/lib/copy_page.S @@ -2,6 +2,7 @@ // Copyright (C) 2005-2017 Andes Technology Corporation #include <linux/linkage.h> +#include <asm/export.h> #include <asm/page.h> .text @@ -16,6 +17,7 @@ ENTRY(copy_page) popm $r2, $r10 ret ENDPROC(copy_page) +EXPORT_SYMBOL(copy_page) ENTRY(clear_page) pushm $r1, $r9 @@ -35,3 +37,4 @@ ENTRY(clear_page) popm $r1, $r9 ret ENDPROC(clear_page) +EXPORT_SYMBOL(clear_page) diff --git a/arch/nds32/mm/alignment.c b/arch/nds32/mm/alignment.c index b96a01b10ca7..e1aed9dc692d 100644 --- a/arch/nds32/mm/alignment.c +++ b/arch/nds32/mm/alignment.c @@ -19,7 +19,7 @@ #define RA(inst) (((inst) >> 15) & 0x1FUL) #define RB(inst) (((inst) >> 10) & 0x1FUL) #define SV(inst) (((inst) >> 8) & 0x3UL) -#define IMM(inst) (((inst) >> 0) & 0x3FFFUL) +#define IMM(inst) (((inst) >> 0) & 0x7FFFUL) #define RA3(inst) (((inst) >> 3) & 0x7UL) #define RT3(inst) (((inst) >> 6) & 0x7UL) @@ -28,6 +28,9 @@ #define RA5(inst) (((inst) >> 0) & 0x1FUL) #define RT4(inst) (((inst) >> 5) & 0xFUL) +#define GET_IMMSVAL(imm_value) \ + (((imm_value >> 14) & 0x1) ? (imm_value - 0x8000) : imm_value) + #define __get8_data(val,addr,err) \ __asm__( \ "1: lbi.bi %1, [%2], #1\n" \ @@ -467,7 +470,7 @@ static inline int do_32(unsigned long inst, struct pt_regs *regs) } if (imm) - shift = IMM(inst) * len; + shift = GET_IMMSVAL(IMM(inst)) * len; else shift = *idx_to_addr(regs, RB(inst)) << SV(inst); @@ -552,7 +555,7 @@ static struct ctl_table alignment_tbl[3] = { static struct ctl_table nds32_sysctl_table[2] = { { - .procname = "unaligned_acess", + .procname = "unaligned_access", .mode = 0555, .child = alignment_tbl}, {} diff --git a/arch/nds32/mm/cacheflush.c b/arch/nds32/mm/cacheflush.c index 6eb786a399a2..ce8fd34497bf 100644 --- a/arch/nds32/mm/cacheflush.c +++ b/arch/nds32/mm/cacheflush.c @@ -147,6 +147,25 @@ void flush_cache_vunmap(unsigned long start, unsigned long end) cpu_icache_inval_all(); } +void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, + struct page *to) +{ + cpu_dcache_wbinval_page((unsigned long)vaddr); + cpu_icache_inval_page((unsigned long)vaddr); + copy_page(vto, vfrom); + cpu_dcache_wbinval_page((unsigned long)vto); + cpu_icache_inval_page((unsigned long)vto); +} + +void clear_user_page(void *addr, unsigned long vaddr, struct page *page) +{ + cpu_dcache_wbinval_page((unsigned long)vaddr); + cpu_icache_inval_page((unsigned long)vaddr); + clear_page(addr); + cpu_dcache_wbinval_page((unsigned long)addr); + cpu_icache_inval_page((unsigned long)addr); +} + void copy_user_highpage(struct page *to, struct page *from, unsigned long vaddr, struct vm_area_struct *vma) { @@ -156,11 +175,9 @@ void copy_user_highpage(struct page *to, struct page *from, pto = page_to_phys(to); pfrom = page_to_phys(from); + local_irq_save(flags); if (aliasing(vaddr, (unsigned long)kfrom)) cpu_dcache_wb_page((unsigned long)kfrom); - if (aliasing(vaddr, (unsigned long)kto)) - cpu_dcache_inval_page((unsigned long)kto); - local_irq_save(flags); vto = kremap0(vaddr, pto); vfrom = kremap1(vaddr, pfrom); copy_page((void *)vto, (void *)vfrom); @@ -198,21 +215,25 @@ void flush_dcache_page(struct page *page) if (mapping && !mapping_mapped(mapping)) set_bit(PG_dcache_dirty, &page->flags); else { - int i, pc; - unsigned long vto, kaddr, flags; + unsigned long kaddr, flags; + kaddr = (unsigned long)page_address(page); - cpu_dcache_wbinval_page(kaddr); - pc = CACHE_SET(DCACHE) * CACHE_LINE_SIZE(DCACHE) / PAGE_SIZE; local_irq_save(flags); - for (i = 0; i < pc; i++) { - vto = - kremap0(kaddr + i * PAGE_SIZE, page_to_phys(page)); - cpu_dcache_wbinval_page(vto); - kunmap01(vto); + cpu_dcache_wbinval_page(kaddr); + if (mapping) { + unsigned long vaddr, kto; + + vaddr = page->index << PAGE_SHIFT; + if (aliasing(vaddr, kaddr)) { + kto = kremap0(vaddr, page_to_phys(page)); + cpu_dcache_wbinval_page(kto); + kunmap01(kto); + } } local_irq_restore(flags); } } +EXPORT_SYMBOL(flush_dcache_page); void copy_to_user_page(struct vm_area_struct *vma, struct page *page, unsigned long vaddr, void *dst, void *src, int len) @@ -251,7 +272,7 @@ void copy_from_user_page(struct vm_area_struct *vma, struct page *page, void flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vaddr) { - unsigned long flags; + unsigned long kaddr, flags, ktmp; if (!PageAnon(page)) return; @@ -261,7 +282,12 @@ void flush_anon_page(struct vm_area_struct *vma, local_irq_save(flags); if (vma->vm_flags & VM_EXEC) cpu_icache_inval_page(vaddr & PAGE_MASK); - cpu_dcache_wbinval_page((unsigned long)page_address(page)); + kaddr = (unsigned long)page_address(page); + if (aliasing(vaddr, kaddr)) { + ktmp = kremap0(vaddr, page_to_phys(page)); + cpu_dcache_wbinval_page(ktmp); + kunmap01(ktmp); + } local_irq_restore(flags); } @@ -272,6 +298,25 @@ void flush_kernel_dcache_page(struct page *page) cpu_dcache_wbinval_page((unsigned long)page_address(page)); local_irq_restore(flags); } +EXPORT_SYMBOL(flush_kernel_dcache_page); + +void flush_kernel_vmap_range(void *addr, int size) +{ + unsigned long flags; + local_irq_save(flags); + cpu_dcache_wb_range((unsigned long)addr, (unsigned long)addr + size); + local_irq_restore(flags); +} +EXPORT_SYMBOL(flush_kernel_vmap_range); + +void invalidate_kernel_vmap_range(void *addr, int size) +{ + unsigned long flags; + local_irq_save(flags); + cpu_dcache_inval_range((unsigned long)addr, (unsigned long)addr + size); + local_irq_restore(flags); +} +EXPORT_SYMBOL(invalidate_kernel_vmap_range); void flush_icache_range(unsigned long start, unsigned long end) { @@ -283,6 +328,7 @@ void flush_icache_range(unsigned long start, unsigned long end) cpu_cache_wbinval_range(start, end, 1); local_irq_restore(flags); } +EXPORT_SYMBOL(flush_icache_range); void flush_icache_page(struct vm_area_struct *vma, struct page *page) { diff --git a/arch/nds32/mm/init.c b/arch/nds32/mm/init.c index 93ee0160720b..c713d2ad55dc 100644 --- a/arch/nds32/mm/init.c +++ b/arch/nds32/mm/init.c @@ -30,6 +30,7 @@ extern unsigned long phys_initrd_size; * zero-initialized data and COW. */ struct page *empty_zero_page; +EXPORT_SYMBOL(empty_zero_page); static void __init zone_sizes_init(void) { diff --git a/arch/s390/purgatory/Makefile b/arch/s390/purgatory/Makefile index e9525bc1b4a6..1ace023cbdce 100644 --- a/arch/s390/purgatory/Makefile +++ b/arch/s390/purgatory/Makefile @@ -21,7 +21,7 @@ LDFLAGS_purgatory.ro += -z nodefaultlib KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes KBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare KBUILD_CFLAGS += -fno-zero-initialized-in-bss -fno-builtin -ffreestanding -KBUILD_CFLAGS += -c -MD -Os -m64 +KBUILD_CFLAGS += -c -MD -Os -m64 -msoft-float KBUILD_CFLAGS += $(call cc-option,-fno-PIE) $(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index ce8b4da07e35..db98e3ab3295 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -301,5 +301,6 @@ extern struct x86_apic_ops x86_apic_ops; extern void x86_early_init_platform_quirks(void); extern void x86_init_noop(void); extern void x86_init_uint_noop(unsigned int unused); +extern bool x86_pnpbios_disabled(void); #endif diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 78decc3e3067..38276f58d3bf 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -942,12 +942,8 @@ static const __initconst struct x86_cpu_id cpu_no_meltdown[] = { {} }; +/* Only list CPUs which speculate but are non susceptible to SSB */ static const __initconst struct x86_cpu_id cpu_no_spec_store_bypass[] = { - { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_PINEVIEW }, - { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_LINCROFT }, - { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_PENWELL }, - { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_CLOVERVIEW }, - { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_CEDARVIEW }, { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT1 }, { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_AIRMONT }, { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT2 }, @@ -955,14 +951,10 @@ static const __initconst struct x86_cpu_id cpu_no_spec_store_bypass[] = { { X86_VENDOR_INTEL, 6, INTEL_FAM6_CORE_YONAH }, { X86_VENDOR_INTEL, 6, INTEL_FAM6_XEON_PHI_KNL }, { X86_VENDOR_INTEL, 6, INTEL_FAM6_XEON_PHI_KNM }, - { X86_VENDOR_CENTAUR, 5, }, - { X86_VENDOR_INTEL, 5, }, - { X86_VENDOR_NSC, 5, }, { X86_VENDOR_AMD, 0x12, }, { X86_VENDOR_AMD, 0x11, }, { X86_VENDOR_AMD, 0x10, }, { X86_VENDOR_AMD, 0xf, }, - { X86_VENDOR_ANY, 4, }, {} }; @@ -970,6 +962,12 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c) { u64 ia32_cap = 0; + if (x86_match_cpu(cpu_no_speculation)) + return; + + setup_force_cpu_bug(X86_BUG_SPECTRE_V1); + setup_force_cpu_bug(X86_BUG_SPECTRE_V2); + if (cpu_has(c, X86_FEATURE_ARCH_CAPABILITIES)) rdmsrl(MSR_IA32_ARCH_CAPABILITIES, ia32_cap); @@ -977,12 +975,6 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c) !(ia32_cap & ARCH_CAP_SSB_NO)) setup_force_cpu_bug(X86_BUG_SPEC_STORE_BYPASS); - if (x86_match_cpu(cpu_no_speculation)) - return; - - setup_force_cpu_bug(X86_BUG_SPECTRE_V1); - setup_force_cpu_bug(X86_BUG_SPECTRE_V2); - if (x86_match_cpu(cpu_no_meltdown)) return; diff --git a/arch/x86/kernel/cpu/mtrr/if.c b/arch/x86/kernel/cpu/mtrr/if.c index 558444b23923..c610f47373e4 100644 --- a/arch/x86/kernel/cpu/mtrr/if.c +++ b/arch/x86/kernel/cpu/mtrr/if.c @@ -106,17 +106,9 @@ mtrr_write(struct file *file, const char __user *buf, size_t len, loff_t * ppos) memset(line, 0, LINE_SIZE); - length = len; - length--; - - if (length > LINE_SIZE - 1) - length = LINE_SIZE - 1; - + length = strncpy_from_user(line, buf, LINE_SIZE - 1); if (length < 0) - return -EINVAL; - - if (copy_from_user(line, buf, length)) - return -EFAULT; + return length; linelen = strlen(line); ptr = line + linelen - 1; @@ -149,17 +141,16 @@ mtrr_write(struct file *file, const char __user *buf, size_t len, loff_t * ppos) return -EINVAL; ptr = skip_spaces(ptr + 5); - for (i = 0; i < MTRR_NUM_TYPES; ++i) { - if (strcmp(ptr, mtrr_strings[i])) - continue; - base >>= PAGE_SHIFT; - size >>= PAGE_SHIFT; - err = mtrr_add_page((unsigned long)base, (unsigned long)size, i, true); - if (err < 0) - return err; - return len; - } - return -EINVAL; + i = match_string(mtrr_strings, MTRR_NUM_TYPES, ptr); + if (i < 0) + return i; + + base >>= PAGE_SHIFT; + size >>= PAGE_SHIFT; + err = mtrr_add_page((unsigned long)base, (unsigned long)size, i, true); + if (err < 0) + return err; + return len; } static long diff --git a/arch/x86/kernel/i8237.c b/arch/x86/kernel/i8237.c index 8eeaa81de066..0a3e70fd00d6 100644 --- a/arch/x86/kernel/i8237.c +++ b/arch/x86/kernel/i8237.c @@ -9,10 +9,12 @@ * your option) any later version. */ +#include <linux/dmi.h> #include <linux/init.h> #include <linux/syscore_ops.h> #include <asm/dma.h> +#include <asm/x86_init.h> /* * This module just handles suspend/resume issues with the @@ -49,6 +51,29 @@ static struct syscore_ops i8237_syscore_ops = { static int __init i8237A_init_ops(void) { + /* + * From SKL PCH onwards, the legacy DMA device is removed in which the + * I/O ports (81h-83h, 87h, 89h-8Bh, 8Fh) related to it are removed + * as well. All removed ports must return 0xff for a inb() request. + * + * Note: DMA_PAGE_2 (port 0x81) should not be checked for detecting + * the presence of DMA device since it may be used by BIOS to decode + * LPC traffic for POST codes. Original LPC only decodes one byte of + * port 0x80 but some BIOS may choose to enhance PCH LPC port 0x8x + * decoding. + */ + if (dma_inb(DMA_PAGE_0) == 0xFF) + return -ENODEV; + + /* + * It is not required to load this driver as newer SoC may not + * support 8237 DMA or bus mastering from LPC. Platform firmware + * must announce the support for such legacy devices via + * ACPI_FADT_LEGACY_DEVICES field in FADT table. + */ + if (x86_pnpbios_disabled() && dmi_get_bios_year() >= 2017) + return -ENODEV; + register_syscore_ops(&i8237_syscore_ops); return 0; } diff --git a/arch/x86/kernel/platform-quirks.c b/arch/x86/kernel/platform-quirks.c index 235fe6008ac8..b348a672f71d 100644 --- a/arch/x86/kernel/platform-quirks.c +++ b/arch/x86/kernel/platform-quirks.c @@ -33,9 +33,14 @@ void __init x86_early_init_platform_quirks(void) x86_platform.set_legacy_features(); } +bool __init x86_pnpbios_disabled(void) +{ + return x86_platform.legacy.devices.pnpbios == 0; +} + #if defined(CONFIG_PNPBIOS) bool __init arch_pnpbios_disabled(void) { - return x86_platform.legacy.devices.pnpbios == 0; + return x86_pnpbios_disabled(); } #endif diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 9bffb5228f31..92bf2f2e7cdd 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(); |
