diff options
Diffstat (limited to 'arch')
69 files changed, 284 insertions, 219 deletions
diff --git a/arch/alpha/kernel/sys_alcor.c b/arch/alpha/kernel/sys_alcor.c index 118dc6af1805..7ad074fd5ab5 100644 --- a/arch/alpha/kernel/sys_alcor.c +++ b/arch/alpha/kernel/sys_alcor.c @@ -181,10 +181,10 @@ alcor_init_irq(void) * comes in on. This makes interrupt processing much easier. */ -static int __init +static int alcor_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[7][5] __initdata = { + static char irq_tab[7][5] = { /*INT INTA INTB INTC INTD */ /* note: IDSEL 17 is XLT only */ {16+13, 16+13, 16+13, 16+13, 16+13}, /* IdSel 17, TULIP */ diff --git a/arch/alpha/kernel/sys_cabriolet.c b/arch/alpha/kernel/sys_cabriolet.c index 4c50f8f40cbb..c0fa1fe5ce77 100644 --- a/arch/alpha/kernel/sys_cabriolet.c +++ b/arch/alpha/kernel/sys_cabriolet.c @@ -173,10 +173,10 @@ pc164_init_irq(void) * because it is the Saturn IO (SIO) PCI/ISA Bridge Chip. */ -static inline int __init +static inline int eb66p_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[5][5] __initdata = { + static char irq_tab[5][5] = { /*INT INTA INTB INTC INTD */ {16+0, 16+0, 16+5, 16+9, 16+13}, /* IdSel 6, slot 0, J25 */ {16+1, 16+1, 16+6, 16+10, 16+14}, /* IdSel 7, slot 1, J26 */ @@ -203,10 +203,10 @@ eb66p_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) * because it is the Saturn IO (SIO) PCI/ISA Bridge Chip. */ -static inline int __init +static inline int cabriolet_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[5][5] __initdata = { + static char irq_tab[5][5] = { /*INT INTA INTB INTC INTD */ { 16+2, 16+2, 16+7, 16+11, 16+15}, /* IdSel 5, slot 2, J21 */ { 16+0, 16+0, 16+5, 16+9, 16+13}, /* IdSel 6, slot 0, J19 */ @@ -287,10 +287,10 @@ cia_cab_init_pci(void) * */ -static inline int __init +static inline int alphapc164_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[7][5] __initdata = { + static char irq_tab[7][5] = { /*INT INTA INTB INTC INTD */ { 16+2, 16+2, 16+9, 16+13, 16+17}, /* IdSel 5, slot 2, J20 */ { 16+0, 16+0, 16+7, 16+11, 16+15}, /* IdSel 6, slot 0, J29 */ diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c index 6c35159bc00e..9e1e40ea1d14 100644 --- a/arch/alpha/kernel/sys_dp264.c +++ b/arch/alpha/kernel/sys_dp264.c @@ -356,7 +356,7 @@ clipper_init_irq(void) * 10 64 bit PCI option slot 3 (not bus 0) */ -static int __init +static int isa_irq_fixup(const struct pci_dev *dev, int irq) { u8 irq8; @@ -372,10 +372,10 @@ isa_irq_fixup(const struct pci_dev *dev, int irq) return irq8 & 0xf; } -static int __init +static int dp264_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[6][5] __initdata = { + static char irq_tab[6][5] = { /*INT INTA INTB INTC INTD */ { -1, -1, -1, -1, -1}, /* IdSel 5 ISA Bridge */ { 16+ 3, 16+ 3, 16+ 2, 16+ 2, 16+ 2}, /* IdSel 6 SCSI builtin*/ @@ -394,10 +394,10 @@ dp264_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) return isa_irq_fixup(dev, irq); } -static int __init +static int monet_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[13][5] __initdata = { + static char irq_tab[13][5] = { /*INT INTA INTB INTC INTD */ { 45, 45, 45, 45, 45}, /* IdSel 3 21143 PCI1 */ { -1, -1, -1, -1, -1}, /* IdSel 4 unused */ @@ -423,7 +423,7 @@ monet_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP); } -static u8 __init +static u8 monet_swizzle(struct pci_dev *dev, u8 *pinp) { struct pci_controller *hose = dev->sysdata; @@ -456,10 +456,10 @@ monet_swizzle(struct pci_dev *dev, u8 *pinp) return slot; } -static int __init +static int webbrick_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[13][5] __initdata = { + static char irq_tab[13][5] = { /*INT INTA INTB INTC INTD */ { -1, -1, -1, -1, -1}, /* IdSel 7 ISA Bridge */ { -1, -1, -1, -1, -1}, /* IdSel 8 unused */ @@ -478,10 +478,10 @@ webbrick_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP); } -static int __init +static int clipper_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[7][5] __initdata = { + static char irq_tab[7][5] = { /*INT INTA INTB INTC INTD */ { 16+ 8, 16+ 8, 16+ 9, 16+10, 16+11}, /* IdSel 1 slot 1 */ { 16+12, 16+12, 16+13, 16+14, 16+15}, /* IdSel 2 slot 2 */ diff --git a/arch/alpha/kernel/sys_eb64p.c b/arch/alpha/kernel/sys_eb64p.c index ad40a425e841..372661c56537 100644 --- a/arch/alpha/kernel/sys_eb64p.c +++ b/arch/alpha/kernel/sys_eb64p.c @@ -167,10 +167,10 @@ eb64p_init_irq(void) * comes in on. This makes interrupt processing much easier. */ -static int __init +static int eb64p_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[5][5] __initdata = { + static char irq_tab[5][5] = { /*INT INTA INTB INTC INTD */ {16+7, 16+7, 16+7, 16+7, 16+7}, /* IdSel 5, slot ?, ?? */ {16+0, 16+0, 16+2, 16+4, 16+9}, /* IdSel 6, slot ?, ?? */ diff --git a/arch/alpha/kernel/sys_eiger.c b/arch/alpha/kernel/sys_eiger.c index 15f42083bdb3..2731738b5872 100644 --- a/arch/alpha/kernel/sys_eiger.c +++ b/arch/alpha/kernel/sys_eiger.c @@ -141,7 +141,7 @@ eiger_init_irq(void) } } -static int __init +static int eiger_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { u8 irq_orig; @@ -158,7 +158,7 @@ eiger_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) return irq_orig - 0x80; } -static u8 __init +static u8 eiger_swizzle(struct pci_dev *dev, u8 *pinp) { struct pci_controller *hose = dev->sysdata; diff --git a/arch/alpha/kernel/sys_miata.c b/arch/alpha/kernel/sys_miata.c index d5b9776a608d..731d693fa1f9 100644 --- a/arch/alpha/kernel/sys_miata.c +++ b/arch/alpha/kernel/sys_miata.c @@ -149,10 +149,10 @@ miata_init_irq(void) * comes in on. This makes interrupt processing much easier. */ -static int __init +static int miata_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[18][5] __initdata = { + static char irq_tab[18][5] = { /*INT INTA INTB INTC INTD */ {16+ 8, 16+ 8, 16+ 8, 16+ 8, 16+ 8}, /* IdSel 14, DC21142 */ { -1, -1, -1, -1, -1}, /* IdSel 15, EIDE */ @@ -196,7 +196,7 @@ miata_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) return COMMON_TABLE_LOOKUP; } -static u8 __init +static u8 miata_swizzle(struct pci_dev *dev, u8 *pinp) { int slot, pin = *pinp; diff --git a/arch/alpha/kernel/sys_mikasa.c b/arch/alpha/kernel/sys_mikasa.c index 5e82dc1ad6f2..350ec9c8335b 100644 --- a/arch/alpha/kernel/sys_mikasa.c +++ b/arch/alpha/kernel/sys_mikasa.c @@ -145,10 +145,10 @@ mikasa_init_irq(void) * comes in on. This makes interrupt processing much easier. */ -static int __init +static int mikasa_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[8][5] __initdata = { + static char irq_tab[8][5] = { /*INT INTA INTB INTC INTD */ {16+12, 16+12, 16+12, 16+12, 16+12}, /* IdSel 17, SCSI */ { -1, -1, -1, -1, -1}, /* IdSel 18, PCEB */ diff --git a/arch/alpha/kernel/sys_nautilus.c b/arch/alpha/kernel/sys_nautilus.c index 8ae04a121186..d019e4ce07bd 100644 --- a/arch/alpha/kernel/sys_nautilus.c +++ b/arch/alpha/kernel/sys_nautilus.c @@ -62,7 +62,7 @@ nautilus_init_irq(void) common_init_isa_dma(); } -static int __init +static int nautilus_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { /* Preserve the IRQ set up by the console. */ diff --git a/arch/alpha/kernel/sys_noritake.c b/arch/alpha/kernel/sys_noritake.c index 063e594fd969..2301678d9f9d 100644 --- a/arch/alpha/kernel/sys_noritake.c +++ b/arch/alpha/kernel/sys_noritake.c @@ -193,10 +193,10 @@ noritake_init_irq(void) * comes in on. This makes interrupt processing much easier. */ -static int __init +static int noritake_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[15][5] __initdata = { + static char irq_tab[15][5] = { /*INT INTA INTB INTC INTD */ /* note: IDSELs 16, 17, and 25 are CORELLE only */ { 16+1, 16+1, 16+1, 16+1, 16+1}, /* IdSel 16, QLOGIC */ @@ -221,7 +221,7 @@ noritake_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) return COMMON_TABLE_LOOKUP; } -static u8 __init +static u8 noritake_swizzle(struct pci_dev *dev, u8 *pinp) { int slot, pin = *pinp; diff --git a/arch/alpha/kernel/sys_rawhide.c b/arch/alpha/kernel/sys_rawhide.c index dfd510ae5d8c..546822d07dc7 100644 --- a/arch/alpha/kernel/sys_rawhide.c +++ b/arch/alpha/kernel/sys_rawhide.c @@ -221,10 +221,10 @@ rawhide_init_irq(void) * */ -static int __init +static int rawhide_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[5][5] __initdata = { + static char irq_tab[5][5] = { /*INT INTA INTB INTC INTD */ { 16+16, 16+16, 16+16, 16+16, 16+16}, /* IdSel 1 SCSI PCI 1 */ { 16+ 0, 16+ 0, 16+ 1, 16+ 2, 16+ 3}, /* IdSel 2 slot 2 */ diff --git a/arch/alpha/kernel/sys_ruffian.c b/arch/alpha/kernel/sys_ruffian.c index a3f485257170..3b35e1913492 100644 --- a/arch/alpha/kernel/sys_ruffian.c +++ b/arch/alpha/kernel/sys_ruffian.c @@ -117,10 +117,10 @@ ruffian_kill_arch (int mode) * */ -static int __init +static int ruffian_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[11][5] __initdata = { + static char irq_tab[11][5] = { /*INT INTA INTB INTC INTD */ {-1, -1, -1, -1, -1}, /* IdSel 13, 21052 */ {-1, -1, -1, -1, -1}, /* IdSel 14, SIO */ @@ -139,7 +139,7 @@ ruffian_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) return COMMON_TABLE_LOOKUP; } -static u8 __init +static u8 ruffian_swizzle(struct pci_dev *dev, u8 *pinp) { int slot, pin = *pinp; diff --git a/arch/alpha/kernel/sys_rx164.c b/arch/alpha/kernel/sys_rx164.c index 08ee737d4fba..e178007107ef 100644 --- a/arch/alpha/kernel/sys_rx164.c +++ b/arch/alpha/kernel/sys_rx164.c @@ -142,7 +142,7 @@ rx164_init_irq(void) * */ -static int __init +static int rx164_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { #if 0 @@ -156,7 +156,7 @@ rx164_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { 16+1, 16+1, 16+6, 16+11, 16+16}, /* IdSel 10, slot 4 */ }; #else - static char irq_tab[6][5] __initdata = { + static char irq_tab[6][5] = { /*INT INTA INTB INTC INTD */ { 16+0, 16+0, 16+6, 16+11, 16+16}, /* IdSel 5, slot 0 */ { 16+1, 16+1, 16+7, 16+12, 16+17}, /* IdSel 6, slot 1 */ diff --git a/arch/alpha/kernel/sys_sable.c b/arch/alpha/kernel/sys_sable.c index 8a0aa6d67b53..86d259c2612d 100644 --- a/arch/alpha/kernel/sys_sable.c +++ b/arch/alpha/kernel/sys_sable.c @@ -192,10 +192,10 @@ sable_init_irq(void) * with the values in the irq swizzling tables above. */ -static int __init +static int sable_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[9][5] __initdata = { + static char irq_tab[9][5] = { /*INT INTA INTB INTC INTD */ { 32+0, 32+0, 32+0, 32+0, 32+0}, /* IdSel 0, TULIP */ { 32+1, 32+1, 32+1, 32+1, 32+1}, /* IdSel 1, SCSI */ @@ -374,10 +374,10 @@ lynx_init_irq(void) * with the values in the irq swizzling tables above. */ -static int __init +static int lynx_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[19][5] __initdata = { + static char irq_tab[19][5] = { /*INT INTA INTB INTC INTD */ { -1, -1, -1, -1, -1}, /* IdSel 13, PCEB */ { -1, -1, -1, -1, -1}, /* IdSel 14, PPB */ @@ -404,7 +404,7 @@ lynx_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) return COMMON_TABLE_LOOKUP; } -static u8 __init +static u8 lynx_swizzle(struct pci_dev *dev, u8 *pinp) { int slot, pin = *pinp; diff --git a/arch/alpha/kernel/sys_sio.c b/arch/alpha/kernel/sys_sio.c index febd24eba7a6..9fd2895639d5 100644 --- a/arch/alpha/kernel/sys_sio.c +++ b/arch/alpha/kernel/sys_sio.c @@ -144,7 +144,7 @@ sio_fixup_irq_levels(unsigned int level_bits) outb((level_bits >> 8) & 0xff, 0x4d1); } -static inline int __init +static inline int noname_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { /* @@ -165,7 +165,7 @@ noname_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) * that they use the default INTA line, if they are interrupt * driven at all). */ - static char irq_tab[][5] __initdata = { + static char irq_tab[][5] = { /*INT A B C D */ { 3, 3, 3, 3, 3}, /* idsel 6 (53c810) */ {-1, -1, -1, -1, -1}, /* idsel 7 (SIO: PCI/ISA bridge) */ @@ -183,10 +183,10 @@ noname_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) return irq >= 0 ? tmp : -1; } -static inline int __init +static inline int p2k_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[][5] __initdata = { + static char irq_tab[][5] = { /*INT A B C D */ { 0, 0, -1, -1, -1}, /* idsel 6 (53c810) */ {-1, -1, -1, -1, -1}, /* idsel 7 (SIO: PCI/ISA bridge) */ diff --git a/arch/alpha/kernel/sys_sx164.c b/arch/alpha/kernel/sys_sx164.c index d063b360efed..23eee54d714a 100644 --- a/arch/alpha/kernel/sys_sx164.c +++ b/arch/alpha/kernel/sys_sx164.c @@ -94,10 +94,10 @@ sx164_init_irq(void) * 9 32 bit PCI option slot 3 */ -static int __init +static int sx164_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[5][5] __initdata = { + static char irq_tab[5][5] = { /*INT INTA INTB INTC INTD */ { 16+ 9, 16+ 9, 16+13, 16+17, 16+21}, /* IdSel 5 slot 2 J17 */ { 16+11, 16+11, 16+15, 16+19, 16+23}, /* IdSel 6 slot 0 J19 */ diff --git a/arch/alpha/kernel/sys_takara.c b/arch/alpha/kernel/sys_takara.c index dd0f1eae3c68..9101f2bb6176 100644 --- a/arch/alpha/kernel/sys_takara.c +++ b/arch/alpha/kernel/sys_takara.c @@ -155,10 +155,10 @@ takara_init_irq(void) * assign it whatever the hell IRQ we like and it doesn't matter. */ -static int __init +static int takara_map_irq_srm(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[15][5] __initdata = { + static char irq_tab[15][5] = { { 16+3, 16+3, 16+3, 16+3, 16+3}, /* slot 6 == device 3 */ { 16+2, 16+2, 16+2, 16+2, 16+2}, /* slot 7 == device 2 */ { 16+1, 16+1, 16+1, 16+1, 16+1}, /* slot 8 == device 1 */ @@ -210,7 +210,7 @@ takara_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) return COMMON_TABLE_LOOKUP; } -static u8 __init +static u8 takara_swizzle(struct pci_dev *dev, u8 *pinp) { int slot = PCI_SLOT(dev->devfn); diff --git a/arch/alpha/kernel/sys_wildfire.c b/arch/alpha/kernel/sys_wildfire.c index ee1874887776..c3f8b79fe214 100644 --- a/arch/alpha/kernel/sys_wildfire.c +++ b/arch/alpha/kernel/sys_wildfire.c @@ -288,10 +288,10 @@ wildfire_device_interrupt(unsigned long vector) * 7 64 bit PCI 1 option slot 7 */ -static int __init +static int wildfire_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - static char irq_tab[8][5] __initdata = { + static char irq_tab[8][5] = { /*INT INTA INTB INTC INTD */ { -1, -1, -1, -1, -1}, /* IdSel 0 ISA Bridge */ { 36, 36, 36+1, 36+2, 36+3}, /* IdSel 1 SCSI builtin */ diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts index 8adde1b492f1..8f627c200d60 100644 --- a/arch/arc/boot/dts/hsdk.dts +++ b/arch/arc/boot/dts/hsdk.dts @@ -137,14 +137,15 @@ /* * DW sdio controller has external ciu clock divider * controlled via register in SDIO IP. Due to its - * unexpected default value (it should devide by 1 - * but it devides by 8) SDIO IP uses wrong clock and + * unexpected default value (it should divide by 1 + * but it divides by 8) SDIO IP uses wrong clock and * works unstable (see STAR 9001204800) + * We switched to the minimum possible value of the + * divisor (div-by-2) in HSDK platform code. * So add temporary fix and change clock frequency - * from 100000000 to 12500000 Hz until we fix dw sdio - * driver itself. + * to 50000000 Hz until we fix dw sdio driver itself. */ - clock-frequency = <12500000>; + clock-frequency = <50000000>; #clock-cells = <0>; }; diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig index 15f0f6b5fec1..7b8f8faf8a24 100644 --- a/arch/arc/configs/hsdk_defconfig +++ b/arch/arc/configs/hsdk_defconfig @@ -63,7 +63,6 @@ CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_DW=y # CONFIG_IOMMU_SUPPORT is not set -CONFIG_RESET_HSDK=y CONFIG_EXT3_FS=y CONFIG_VFAT_FS=y CONFIG_TMPFS=y diff --git a/arch/arc/kernel/smp.c b/arch/arc/kernel/smp.c index f46267153ec2..6df9d94a9537 100644 --- a/arch/arc/kernel/smp.c +++ b/arch/arc/kernel/smp.c @@ -23,6 +23,8 @@ #include <linux/cpumask.h> #include <linux/reboot.h> #include <linux/irqdomain.h> +#include <linux/export.h> + #include <asm/processor.h> #include <asm/setup.h> #include <asm/mach_desc.h> @@ -30,6 +32,9 @@ #ifndef CONFIG_ARC_HAS_LLSC arch_spinlock_t smp_atomic_ops_lock = __ARCH_SPIN_LOCK_UNLOCKED; arch_spinlock_t smp_bitops_lock = __ARCH_SPIN_LOCK_UNLOCKED; + +EXPORT_SYMBOL_GPL(smp_atomic_ops_lock); +EXPORT_SYMBOL_GPL(smp_bitops_lock); #endif struct plat_smp_ops __weak plat_smp_ops; diff --git a/arch/arc/plat-hsdk/Kconfig b/arch/arc/plat-hsdk/Kconfig index bd08de4be75e..19ab3cf98f0f 100644 --- a/arch/arc/plat-hsdk/Kconfig +++ b/arch/arc/plat-hsdk/Kconfig @@ -8,3 +8,4 @@ menuconfig ARC_SOC_HSDK bool "ARC HS Development Kit SOC" select CLK_HSDK + select RESET_HSDK diff --git a/arch/arc/plat-hsdk/platform.c b/arch/arc/plat-hsdk/platform.c index 744e62e58788..fd0ae5e38639 100644 --- a/arch/arc/plat-hsdk/platform.c +++ b/arch/arc/plat-hsdk/platform.c @@ -74,6 +74,10 @@ static void __init hsdk_set_cpu_freq_1ghz(void) pr_err("Failed to setup CPU frequency to 1GHz!"); } +#define SDIO_BASE (ARC_PERIPHERAL_BASE + 0xA000) +#define SDIO_UHS_REG_EXT (SDIO_BASE + 0x108) +#define SDIO_UHS_REG_EXT_DIV_2 (2 << 30) + static void __init hsdk_init_early(void) { /* @@ -90,6 +94,12 @@ static void __init hsdk_init_early(void) writel(1, (void __iomem *) CREG_PAE_UPDATE); /* + * Switch SDIO external ciu clock divider from default div-by-8 to + * minimum possible div-by-2. + */ + iowrite32(SDIO_UHS_REG_EXT_DIV_2, (void __iomem *) SDIO_UHS_REG_EXT); + + /* * Setup CPU frequency to 1GHz. * TODO: remove it after smart hsdk pll driver will be introduced. */ diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 47d3a1ab08d2..817e5cfef83a 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -131,7 +131,7 @@ endif KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float -CHECKFLAGS += -D__arm__ +CHECKFLAGS += -D__arm__ -m32 #Default value head-y := arch/arm/kernel/head$(MMUEXT).o diff --git a/arch/arm/boot/compressed/debug.S b/arch/arm/boot/compressed/debug.S index 5392ee63338f..8f6e37177de1 100644 --- a/arch/arm/boot/compressed/debug.S +++ b/arch/arm/boot/compressed/debug.S @@ -23,7 +23,11 @@ ENTRY(putc) strb r0, [r1] mov r0, #0x03 @ SYS_WRITEC ARM( svc #0x123456 ) +#ifdef CONFIG_CPU_V7M + THUMB( bkpt #0xab ) +#else THUMB( svc #0xab ) +#endif mov pc, lr .align 2 1: .word _GLOBAL_OFFSET_TABLE_ - . diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi index 7ff0811e61db..4960722aab32 100644 --- a/arch/arm/boot/dts/armada-38x.dtsi +++ b/arch/arm/boot/dts/armada-38x.dtsi @@ -178,7 +178,7 @@ }; i2c0: i2c@11000 { - compatible = "marvell,mv64xxx-i2c"; + compatible = "marvell,mv78230-a0-i2c", "marvell,mv64xxx-i2c"; reg = <0x11000 0x20>; #address-cells = <1>; #size-cells = <0>; @@ -189,7 +189,7 @@ }; i2c1: i2c@11100 { - compatible = "marvell,mv64xxx-i2c"; + compatible = "marvell,mv78230-a0-i2c", "marvell,mv64xxx-i2c"; reg = <0x11100 0x20>; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/arm/boot/dts/at91-sama5d27_som1.dtsi b/arch/arm/boot/dts/at91-sama5d27_som1.dtsi index 63a5af898165..cf0087b4c9e1 100644 --- a/arch/arm/boot/dts/at91-sama5d27_som1.dtsi +++ b/arch/arm/boot/dts/at91-sama5d27_som1.dtsi @@ -67,8 +67,8 @@ pinctrl-0 = <&pinctrl_macb0_default>; phy-mode = "rmii"; - ethernet-phy@1 { - reg = <0x1>; + ethernet-phy@0 { + reg = <0x0>; interrupt-parent = <&pioA>; interrupts = <PIN_PD31 IRQ_TYPE_LEVEL_LOW>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts index c7e9ccf2bc87..cbc26001247b 100644 --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts @@ -309,7 +309,7 @@ vddana-supply = <&vdd_3v3_lp_reg>; vref-supply = <&vdd_3v3_lp_reg>; pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_adc_default>; + pinctrl-0 = <&pinctrl_adc_default &pinctrl_adtrg_default>; status = "okay"; }; @@ -340,6 +340,20 @@ bias-disable; }; + /* + * The ADTRG pin can work on any edge type. + * In here it's being pulled up, so need to + * connect it to ground to get an edge e.g. + * Trigger can be configured on falling, rise + * or any edge, and the pull-up can be changed + * to pull-down or left floating according to + * needs. + */ + pinctrl_adtrg_default: adtrg_default { + pinmux = <PIN_PD31__ADTRG>; + bias-pull-up; + }; + pinctrl_charger_chglev: charger_chglev { pinmux = <PIN_PA12__GPIO>; bias-disable; diff --git a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts index 82651c3eb682..b8565fc33eea 100644 --- a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts +++ b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts @@ -18,12 +18,9 @@ compatible = "raspberrypi,model-zero-w", "brcm,bcm2835"; model = "Raspberry Pi Zero W"; - /* Needed by firmware to properly init UARTs */ - aliases { - uart0 = "/soc/serial@7e201000"; - uart1 = "/soc/serial@7e215040"; - serial0 = "/soc/serial@7e201000"; - serial1 = "/soc/serial@7e215040"; + chosen { + /* 8250 auxiliary UART instead of pl011 */ + stdout-path = "serial1:115200n8"; }; leds { diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts index 20725ca487f3..c71a0d73d2a2 100644 --- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts +++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts @@ -8,6 +8,11 @@ compatible = "raspberrypi,3-model-b", "brcm,bcm2837"; model = "Raspberry Pi 3 Model B"; + chosen { + /* 8250 auxiliary UART instead of pl011 */ + stdout-path = "serial1:115200n8"; + }; + memory { reg = <0 0x40000000>; }; diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi index 431dcfc900c0..013431e3d7c3 100644 --- a/arch/arm/boot/dts/bcm283x.dtsi +++ b/arch/arm/boot/dts/bcm283x.dtsi @@ -20,8 +20,13 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + serial0 = &uart0; + serial1 = &uart1; + }; + chosen { - bootargs = "earlyprintk console=ttyAMA0"; + stdout-path = "serial0:115200n8"; }; thermal-zones { diff --git a/arch/arm/boot/dts/gemini.dtsi b/arch/arm/boot/dts/gemini.dtsi index c68e8d430234..f0d178c77153 100644 --- a/arch/arm/boot/dts/gemini.dtsi +++ b/arch/arm/boot/dts/gemini.dtsi @@ -145,11 +145,12 @@ }; watchdog@41000000 { - compatible = "cortina,gemini-watchdog"; + compatible = "cortina,gemini-watchdog", "faraday,ftwdt010"; reg = <0x41000000 0x1000>; interrupts = <3 IRQ_TYPE_LEVEL_HIGH>; resets = <&syscon GEMINI_RESET_WDOG>; clocks = <&syscon GEMINI_CLK_APB>; + clock-names = "PCLK"; }; uart0: serial@42000000 { diff --git a/arch/arm/boot/dts/imx7d.dtsi b/arch/arm/boot/dts/imx7d.dtsi index f46814a7ea44..4d308d17f040 100644 --- a/arch/arm/boot/dts/imx7d.dtsi +++ b/arch/arm/boot/dts/imx7d.dtsi @@ -144,10 +144,10 @@ interrupt-names = "msi"; #interrupt-cells = <1>; interrupt-map-mask = <0 0 0 0x7>; - interrupt-map = <0 0 0 1 &intc GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>, - <0 0 0 2 &intc GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>, - <0 0 0 3 &intc GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>, - <0 0 0 4 &intc GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>; + interrupt-map = <0 0 0 1 &intc GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 2 &intc GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 3 &intc GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 4 &intc GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks IMX7D_PCIE_CTRL_ROOT_CLK>, <&clks IMX7D_PLL_ENET_MAIN_100M_CLK>, <&clks IMX7D_PCIE_PHY_ROOT_CLK>; diff --git a/arch/arm/boot/dts/moxart.dtsi b/arch/arm/boot/dts/moxart.dtsi index 1f4c795d3f72..da7b3237bfe9 100644 --- a/arch/arm/boot/dts/moxart.dtsi +++ b/arch/arm/boot/dts/moxart.dtsi @@ -87,9 +87,10 @@ }; watchdog: watchdog@98500000 { - compatible = "moxa,moxart-watchdog"; + compatible = "moxa,moxart-watchdog", "faraday,ftwdt010"; reg = <0x98500000 0x10>; clocks = <&clk_apb>; + clock-names = "PCLK"; }; sdhci: sdhci@98e00000 { diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi index 38d2216c7ead..b1a26b42d190 100644 --- a/arch/arm/boot/dts/sama5d2.dtsi +++ b/arch/arm/boot/dts/sama5d2.dtsi @@ -1430,6 +1430,7 @@ atmel,min-sample-rate-hz = <200000>; atmel,max-sample-rate-hz = <20000000>; atmel,startup-time-ms = <4>; + atmel,trigger-edge-type = <IRQ_TYPE_EDGE_RISING>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi index b147cb0dc14b..eef072a21acc 100644 --- a/arch/arm/boot/dts/sun6i-a31.dtsi +++ b/arch/arm/boot/dts/sun6i-a31.dtsi @@ -311,8 +311,8 @@ #size-cells = <0>; reg = <0>; - tcon1_in_drc1: endpoint@0 { - reg = <0>; + tcon1_in_drc1: endpoint@1 { + reg = <1>; remote-endpoint = <&drc1_out_tcon1>; }; }; @@ -1012,8 +1012,8 @@ #size-cells = <0>; reg = <1>; - be1_out_drc1: endpoint@0 { - reg = <0>; + be1_out_drc1: endpoint@1 { + reg = <1>; remote-endpoint = <&drc1_in_be1>; }; }; @@ -1042,8 +1042,8 @@ #size-cells = <0>; reg = <0>; - drc1_in_be1: endpoint@0 { - reg = <0>; + drc1_in_be1: endpoint@1 { + reg = <1>; remote-endpoint = <&be1_out_drc1>; }; }; @@ -1053,8 +1053,8 @@ #size-cells = <0>; reg = <1>; - drc1_out_tcon1: endpoint@0 { - reg = <0>; + drc1_out_tcon1: endpoint@1 { + reg = <1>; remote-endpoint = <&tcon1_in_drc1>; }; }; diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S index ea9646cc2a0e..0a498cb3fad8 100644 --- a/arch/arm/kernel/debug.S +++ b/arch/arm/kernel/debug.S @@ -115,7 +115,11 @@ ENTRY(printascii) mov r1, r0 mov r0, #0x04 @ SYS_WRITE0 ARM( svc #0x123456 ) +#ifdef CONFIG_CPU_V7M + THUMB( bkpt #0xab ) +#else THUMB( svc #0xab ) +#endif ret lr ENDPROC(printascii) @@ -124,7 +128,11 @@ ENTRY(printch) strb r0, [r1] mov r0, #0x03 @ SYS_WRITEC ARM( svc #0x123456 ) +#ifdef CONFIG_CPU_V7M + THUMB( bkpt #0xab ) +#else THUMB( svc #0xab ) +#endif ret lr ENDPROC(printch) diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c index 71a34e8c345a..57058ac46f49 100644 --- a/arch/arm/mach-ux500/cpu-db8500.c +++ b/arch/arm/mach-ux500/cpu-db8500.c @@ -32,6 +32,7 @@ #include <asm/mach/arch.h> #include "db8500-regs.h" +#include "pm_domains.h" static int __init ux500_l2x0_unlock(void) { @@ -157,6 +158,9 @@ static const struct of_device_id u8500_local_bus_nodes[] = { static void __init u8500_init_machine(void) { + /* Initialize ux500 power domains */ + ux500_pm_domains_init(); + /* automatically probe child nodes of dbx5x0 devices */ if (of_machine_is_compatible("st-ericsson,u8540")) of_platform_populate(NULL, u8500_local_bus_nodes, diff --git a/arch/arm/mach-ux500/pm.c b/arch/arm/mach-ux500/pm.c index a970e7fcba9e..f6c33a0c1c61 100644 --- a/arch/arm/mach-ux500/pm.c +++ b/arch/arm/mach-ux500/pm.c @@ -19,7 +19,6 @@ #include <linux/of_address.h> #include "db8500-regs.h" -#include "pm_domains.h" /* ARM WFI Standby signal register */ #define PRCM_ARM_WFI_STANDBY (prcmu_base + 0x130) @@ -203,7 +202,4 @@ void __init ux500_pm_init(u32 phy_base, u32 size) /* Set up ux500 suspend callbacks. */ suspend_set_ops(UX500_SUSPEND_OPS); - - /* Initialize ux500 power domains */ - ux500_pm_domains_init(); } diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index 3b8e728cc944..91537d90f5f5 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -344,6 +344,11 @@ void __init arm_mm_memblock_reserve(void) * reserved here. */ #endif + /* + * In any case, always ensure address 0 is never used as many things + * get very confused if 0 is returned as a legitimate address. + */ + memblock_reserve(0, 1); } void __init adjust_lowmem_bounds(void) diff --git a/arch/arm/xen/p2m.c b/arch/arm/xen/p2m.c index e71eefa2e427..0641ba54ab62 100644 --- a/arch/arm/xen/p2m.c +++ b/arch/arm/xen/p2m.c @@ -1,7 +1,7 @@ #include <linux/bootmem.h> #include <linux/gfp.h> #include <linux/export.h> -#include <linux/rwlock.h> +#include <linux/spinlock.h> #include <linux/slab.h> #include <linux/types.h> #include <linux/dma-mapping.h> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts index caf8b6fbe5e3..d06e34b5d192 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts @@ -61,13 +61,6 @@ chosen { stdout-path = "serial0:115200n8"; }; - - reg_vcc3v3: vcc3v3 { - compatible = "regulator-fixed"; - regulator-name = "vcc3v3"; - regulator-min-microvolt = <3300000>; - regulator-max-microvolt = <3300000>; - }; }; &ehci0 { @@ -91,7 +84,7 @@ &mmc0 { pinctrl-names = "default"; pinctrl-0 = <&mmc0_pins>; - vmmc-supply = <®_vcc3v3>; + vmmc-supply = <®_dcdc1>; cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; cd-inverted; disable-wp; diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi index 8263a8a504a8..f2aa2a81de4d 100644 --- a/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi @@ -336,7 +336,7 @@ /* non-prefetchable memory */ 0x82000000 0 0xf6000000 0 0xf6000000 0 0xf00000>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &cpm_icu 0 ICU_GRP_NSR 22 IRQ_TYPE_LEVEL_HIGH>; + interrupt-map = <0 0 0 0 &cpm_icu ICU_GRP_NSR 22 IRQ_TYPE_LEVEL_HIGH>; interrupts = <ICU_GRP_NSR 22 IRQ_TYPE_LEVEL_HIGH>; num-lanes = <1>; clocks = <&cpm_clk 1 13>; @@ -362,7 +362,7 @@ /* non-prefetchable memory */ 0x82000000 0 0xf7000000 0 0xf7000000 0 0xf00000>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &cpm_icu 0 ICU_GRP_NSR 24 IRQ_TYPE_LEVEL_HIGH>; + interrupt-map = <0 0 0 0 &cpm_icu ICU_GRP_NSR 24 IRQ_TYPE_LEVEL_HIGH>; interrupts = <ICU_GRP_NSR 24 IRQ_TYPE_LEVEL_HIGH>; num-lanes = <1>; @@ -389,7 +389,7 @@ /* non-prefetchable memory */ 0x82000000 0 0xf8000000 0 0xf8000000 0 0xf00000>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &cpm_icu 0 ICU_GRP_NSR 23 IRQ_TYPE_LEVEL_HIGH>; + interrupt-map = <0 0 0 0 &cpm_icu ICU_GRP_NSR 23 IRQ_TYPE_LEVEL_HIGH>; interrupts = <ICU_GRP_NSR 23 IRQ_TYPE_LEVEL_HIGH>; num-lanes = <1>; diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi index b71ee6c83668..4fe70323abb3 100644 --- a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi @@ -335,7 +335,7 @@ /* non-prefetchable memory */ 0x82000000 0 0xfa000000 0 0xfa000000 0 0xf00000>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &cps_icu 0 ICU_GRP_NSR 22 IRQ_TYPE_LEVEL_HIGH>; + interrupt-map = <0 0 0 0 &cps_icu ICU_GRP_NSR 22 IRQ_TYPE_LEVEL_HIGH>; interrupts = <ICU_GRP_NSR 22 IRQ_TYPE_LEVEL_HIGH>; num-lanes = <1>; clocks = <&cps_clk 1 13>; @@ -361,7 +361,7 @@ /* non-prefetchable memory */ 0x82000000 0 0xfb000000 0 0xfb000000 0 0xf00000>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &cps_icu 0 ICU_GRP_NSR 24 IRQ_TYPE_LEVEL_HIGH>; + interrupt-map = <0 0 0 0 &cps_icu ICU_GRP_NSR 24 IRQ_TYPE_LEVEL_HIGH>; interrupts = <ICU_GRP_NSR 24 IRQ_TYPE_LEVEL_HIGH>; num-lanes = <1>; @@ -388,7 +388,7 @@ /* non-prefetchable memory */ 0x82000000 0 0xfc000000 0 0xfc000000 0 0xf00000>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &cps_icu 0 ICU_GRP_NSR 23 IRQ_TYPE_LEVEL_HIGH>; + interrupt-map = <0 0 0 0 &cps_icu ICU_GRP_NSR 23 IRQ_TYPE_LEVEL_HIGH>; interrupts = <ICU_GRP_NSR 23 IRQ_TYPE_LEVEL_HIGH>; num-lanes = <1>; diff --git a/arch/arm64/boot/dts/renesas/salvator-common.dtsi b/arch/arm64/boot/dts/renesas/salvator-common.dtsi index 4786c67b5e65..d9d885006a8e 100644 --- a/arch/arm64/boot/dts/renesas/salvator-common.dtsi +++ b/arch/arm64/boot/dts/renesas/salvator-common.dtsi @@ -62,6 +62,7 @@ brightness-levels = <256 128 64 16 8 4 0>; default-brightness-level = <6>; + power-supply = <®_12v>; enable-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>; }; @@ -83,6 +84,15 @@ regulator-always-on; }; + reg_12v: regulator2 { + compatible = "regulator-fixed"; + regulator-name = "fixed-12V"; + regulator-min-microvolt = <12000000>; + regulator-max-microvolt = <12000000>; + regulator-boot-on; + regulator-always-on; + }; + rsnd_ak4613: sound { compatible = "simple-audio-card"; diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi index 6d615cb6e64d..41d61840fb99 100644 --- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi @@ -582,7 +582,7 @@ vop_mmu: iommu@ff373f00 { compatible = "rockchip,iommu"; reg = <0x0 0xff373f00 0x0 0x100>; - interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH 0>; + interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>; interrupt-names = "vop_mmu"; #iommu-cells = <0>; status = "disabled"; diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi b/arch/arm64/boot/dts/rockchip/rk3368.dtsi index 19fbaa5e7bdd..1070c8264c13 100644 --- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi @@ -740,7 +740,7 @@ iep_mmu: iommu@ff900800 { compatible = "rockchip,iommu"; reg = <0x0 0xff900800 0x0 0x100>; - interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH 0>; + interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>; interrupt-names = "iep_mmu"; #iommu-cells = <0>; status = "disabled"; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts index 7fd4bfcaa38e..fef82274a39d 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts @@ -371,10 +371,10 @@ regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <3300000>; + regulator-max-microvolt = <3000000>; regulator-state-mem { regulator-on-in-suspend; - regulator-suspend-microvolt = <3300000>; + regulator-suspend-microvolt = <3000000>; }; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi index 53ff3d191a1d..910628d18add 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi @@ -325,12 +325,12 @@ vcc_sd: LDO_REG4 { regulator-name = "vcc_sd"; regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <3300000>; + regulator-max-microvolt = <3000000>; regulator-always-on; regulator-boot-on; regulator-state-mem { regulator-on-in-suspend; - regulator-suspend-microvolt = <3300000>; + regulator-suspend-microvolt = <3000000>; }; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi index 6c30bb02210d..0f873c897d0d 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi @@ -315,10 +315,10 @@ regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <3300000>; + regulator-max-microvolt = <3000000>; regulator-state-mem { regulator-on-in-suspend; - regulator-suspend-microvolt = <3300000>; + regulator-suspend-microvolt = <3000000>; }; }; diff --git a/arch/parisc/kernel/parisc_ksyms.c b/arch/parisc/kernel/parisc_ksyms.c index c6d6272a934f..7baa2265d439 100644 --- a/arch/parisc/kernel/parisc_ksyms.c +++ b/arch/parisc/kernel/parisc_ksyms.c @@ -35,12 +35,12 @@ EXPORT_SYMBOL(memset); EXPORT_SYMBOL(__xchg8); EXPORT_SYMBOL(__xchg32); EXPORT_SYMBOL(__cmpxchg_u32); +EXPORT_SYMBOL(__cmpxchg_u64); #ifdef CONFIG_SMP EXPORT_SYMBOL(__atomic_hash); #endif #ifdef CONFIG_64BIT EXPORT_SYMBOL(__xchg64); -EXPORT_SYMBOL(__cmpxchg_u64); #endif #include <linux/uaccess.h> diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index 23de307c3052..41e60a9c7db2 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -742,7 +742,7 @@ lws_compare_and_swap_2: 10: ldd 0(%r25), %r25 11: ldd 0(%r24), %r24 #else - /* Load new value into r22/r23 - high/low */ + /* Load old value into r22/r23 - high/low */ 10: ldw 0(%r25), %r22 11: ldw 4(%r25), %r23 /* Load new value into fr4 for atomic store later */ @@ -834,11 +834,11 @@ cas2_action: copy %r0, %r28 #else /* Compare first word */ -19: ldw,ma 0(%r26), %r29 +19: ldw 0(%r26), %r29 sub,= %r29, %r22, %r0 b,n cas2_end /* Compare second word */ -20: ldw,ma 4(%r26), %r29 +20: ldw 4(%r26), %r29 sub,= %r29, %r23, %r0 b,n cas2_end /* Perform the store */ diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c index 2d956aa0a38a..8c0105a49839 100644 --- a/arch/parisc/kernel/time.c +++ b/arch/parisc/kernel/time.c @@ -253,7 +253,10 @@ static int __init init_cr16_clocksource(void) cpu0_loc = per_cpu(cpu_data, 0).cpu_loc; for_each_online_cpu(cpu) { - if (cpu0_loc == per_cpu(cpu_data, cpu).cpu_loc) + if (cpu == 0) + continue; + if ((cpu0_loc != 0) && + (cpu0_loc == per_cpu(cpu_data, cpu).cpu_loc)) continue; clocksource_cr16.name = "cr16_unstable"; diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c index 8f2da8bba737..4dffa611376d 100644 --- a/arch/powerpc/kvm/book3s_64_vio.c +++ b/arch/powerpc/kvm/book3s_64_vio.c @@ -478,28 +478,30 @@ long kvmppc_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn, return ret; dir = iommu_tce_direction(tce); + + idx = srcu_read_lock(&vcpu->kvm->srcu); + if ((dir != DMA_NONE) && kvmppc_gpa_to_ua(vcpu->kvm, - tce & ~(TCE_PCI_READ | TCE_PCI_WRITE), &ua, NULL)) - return H_PARAMETER; + tce & ~(TCE_PCI_READ | TCE_PCI_WRITE), &ua, NULL)) { + ret = H_PARAMETER; + goto unlock_exit; + } entry = ioba >> stt->page_shift; list_for_each_entry_lockless(stit, &stt->iommu_tables, next) { - if (dir == DMA_NONE) { + if (dir == DMA_NONE) ret = kvmppc_tce_iommu_unmap(vcpu->kvm, stit->tbl, entry); - } else { - idx = srcu_read_lock(&vcpu->kvm->srcu); + else ret = kvmppc_tce_iommu_map(vcpu->kvm, stit->tbl, entry, ua, dir); - srcu_read_unlock(&vcpu->kvm->srcu, idx); - } if (ret == H_SUCCESS) continue; if (ret == H_TOO_HARD) - return ret; + goto unlock_exit; WARN_ON_ONCE(1); kvmppc_clear_tce(stit->tbl, entry); @@ -507,7 +509,10 @@ long kvmppc_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn, kvmppc_tce_put(stt, entry, tce); - return H_SUCCESS; +unlock_exit: + srcu_read_unlock(&vcpu->kvm->srcu, idx); + + return ret; } EXPORT_SYMBOL_GPL(kvmppc_h_put_tce); diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index ec69fa45d5a2..42639fba89e8 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -989,13 +989,14 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_ARCH_300) beq no_xive ld r11, VCPU_XIVE_SAVED_STATE(r4) li r9, TM_QW1_OS - stdcix r11,r9,r10 eieio + stdcix r11,r9,r10 lwz r11, VCPU_XIVE_CAM_WORD(r4) li r9, TM_QW1_OS + TM_WORD2 stwcix r11,r9,r10 li r9, 1 stw r9, VCPU_XIVE_PUSHED(r4) + eieio no_xive: #endif /* CONFIG_KVM_XICS */ @@ -1310,6 +1311,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR) bne 3f BEGIN_FTR_SECTION PPC_MSGSYNC + lwsync END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) lbz r0, HSTATE_HOST_IPI(r13) cmpwi r0, 0 @@ -1400,8 +1402,8 @@ guest_exit_cont: /* r9 = vcpu, r12 = trap, r13 = paca */ cmpldi cr0, r10, 0 beq 1f /* First load to pull the context, we ignore the value */ - lwzx r11, r7, r10 eieio + lwzx r11, r7, r10 /* Second load to recover the context state (Words 0 and 1) */ ldx r11, r6, r10 b 3f @@ -1409,8 +1411,8 @@ guest_exit_cont: /* r9 = vcpu, r12 = trap, r13 = paca */ cmpldi cr0, r10, 0 beq 1f /* First load to pull the context, we ignore the value */ - lwzcix r11, r7, r10 eieio + lwzcix r11, r7, r10 /* Second load to recover the context state (Words 0 and 1) */ ldcix r11, r6, r10 3: std r11, VCPU_XIVE_SAVED_STATE(r9) @@ -1420,6 +1422,7 @@ guest_exit_cont: /* r9 = vcpu, r12 = trap, r13 = paca */ stw r10, VCPU_XIVE_PUSHED(r9) stb r10, (VCPU_XIVE_SAVED_STATE+3)(r9) stb r0, (VCPU_XIVE_SAVED_STATE+4)(r9) + eieio 1: #endif /* CONFIG_KVM_XICS */ /* Save more register state */ @@ -2788,6 +2791,10 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) PPC_MSGCLR(6) /* see if it's a host IPI */ li r3, 1 +BEGIN_FTR_SECTION + PPC_MSGSYNC + lwsync +END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) lbz r0, HSTATE_HOST_IPI(r13) cmpwi r0, 0 bnelr diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 3480faaf1ef8..ee279c7f4802 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -644,8 +644,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) break; #endif case KVM_CAP_PPC_HTM: - r = cpu_has_feature(CPU_FTR_TM_COMP) && - is_kvmppc_hv_enabled(kvm); + r = cpu_has_feature(CPU_FTR_TM_COMP) && hv_enabled; break; default: r = 0; diff --git a/arch/s390/configs/zfcpdump_defconfig b/arch/s390/configs/zfcpdump_defconfig index afa46a7406ea..04e042edbab7 100644 --- a/arch/s390/configs/zfcpdump_defconfig +++ b/arch/s390/configs/zfcpdump_defconfig @@ -27,6 +27,7 @@ CONFIG_NET=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_DEVTMPFS=y # CONFIG_FIRMWARE_IN_KERNEL is not set +CONFIG_BLK_DEV_RAM=y # CONFIG_BLK_DEV_XPRAM is not set # CONFIG_DCSSBLK is not set # CONFIG_DASD is not set @@ -59,6 +60,7 @@ CONFIG_CONFIGFS_FS=y # CONFIG_NETWORK_FILESYSTEMS is not set CONFIG_PRINTK_TIME=y CONFIG_DEBUG_INFO=y +CONFIG_DEBUG_FS=y CONFIG_DEBUG_KERNEL=y CONFIG_PANIC_ON_OOPS=y # CONFIG_SCHED_DEBUG is not set diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 21900e1cee9c..d185aa3965bf 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -521,12 +521,15 @@ ENTRY(pgm_check_handler) tmhh %r8,0x0001 # test problem state bit jnz 2f # -> fault in user space #if IS_ENABLED(CONFIG_KVM) - # cleanup critical section for sie64a + # cleanup critical section for program checks in sie64a lgr %r14,%r9 slg %r14,BASED(.Lsie_critical_start) clg %r14,BASED(.Lsie_critical_length) jhe 0f - brasl %r14,.Lcleanup_sie + lg %r14,__SF_EMPTY(%r15) # get control block pointer + ni __SIE_PROG0C+3(%r14),0xfe # no longer in SIE + lctlg %c1,%c1,__LC_USER_ASCE # load primary asce + larl %r9,sie_exit # skip forward to sie_exit #endif 0: tmhh %r8,0x4000 # PER bit set in old PSW ? jnz 1f # -> enabled, can't be a double fault diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 1cee6753d47a..495ff6959dec 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -293,7 +293,10 @@ static void pcpu_attach_task(struct pcpu *pcpu, struct task_struct *tsk) lc->lpp = LPP_MAGIC; lc->current_pid = tsk->pid; lc->user_timer = tsk->thread.user_timer; + lc->guest_timer = tsk->thread.guest_timer; lc->system_timer = tsk->thread.system_timer; + lc->hardirq_timer = tsk->thread.hardirq_timer; + lc->softirq_timer = tsk->thread.softirq_timer; lc->steal_timer = 0; } diff --git a/arch/x86/crypto/chacha20-avx2-x86_64.S b/arch/x86/crypto/chacha20-avx2-x86_64.S index 3a2dc3dc6cac..f3cd26f48332 100644 --- a/arch/x86/crypto/chacha20-avx2-x86_64.S +++ b/arch/x86/crypto/chacha20-avx2-x86_64.S @@ -45,7 +45,7 @@ ENTRY(chacha20_8block_xor_avx2) vzeroupper # 4 * 32 byte stack, 32-byte aligned - mov %rsp, %r8 + lea 8(%rsp),%r10 and $~31, %rsp sub $0x80, %rsp @@ -443,6 +443,6 @@ ENTRY(chacha20_8block_xor_avx2) vmovdqu %ymm15,0x01e0(%rsi) vzeroupper - mov %r8,%rsp + lea -8(%r10),%rsp ret ENDPROC(chacha20_8block_xor_avx2) diff --git a/arch/x86/crypto/chacha20-ssse3-x86_64.S b/arch/x86/crypto/chacha20-ssse3-x86_64.S index 3f511a7d73b8..512a2b500fd1 100644 --- a/arch/x86/crypto/chacha20-ssse3-x86_64.S +++ b/arch/x86/crypto/chacha20-ssse3-x86_64.S @@ -160,7 +160,7 @@ ENTRY(chacha20_4block_xor_ssse3) # done with the slightly better performing SSSE3 byte shuffling, # 7/12-bit word rotation uses traditional shift+OR. - mov %rsp,%r11 + lea 8(%rsp),%r10 sub $0x80,%rsp and $~63,%rsp @@ -625,6 +625,6 @@ ENTRY(chacha20_4block_xor_ssse3) pxor %xmm1,%xmm15 movdqu %xmm15,0xf0(%rsi) - mov %r11,%rsp + lea -8(%r10),%rsp ret ENDPROC(chacha20_4block_xor_ssse3) diff --git a/arch/x86/events/intel/bts.c b/arch/x86/events/intel/bts.c index 16076eb34699..141e07b06216 100644 --- a/arch/x86/events/intel/bts.c +++ b/arch/x86/events/intel/bts.c @@ -546,9 +546,6 @@ static int bts_event_init(struct perf_event *event) if (event->attr.type != bts_pmu.type) return -ENOENT; - if (x86_add_exclusive(x86_lbr_exclusive_bts)) - return -EBUSY; - /* * BTS leaks kernel addresses even when CPL0 tracing is * disabled, so disallow intel_bts driver for unprivileged @@ -562,6 +559,9 @@ static int bts_event_init(struct perf_event *event) !capable(CAP_SYS_ADMIN)) return -EACCES; + if (x86_add_exclusive(x86_lbr_exclusive_bts)) + return -EBUSY; + ret = x86_reserve_hardware(); if (ret) { x86_del_exclusive(x86_lbr_exclusive_bts); diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index 322d25ae23ab..c40a95c33bb8 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -110,10 +110,6 @@ build_mmio_write(__writeq, "q", unsigned long, "r", ) #endif -#define ARCH_HAS_VALID_PHYS_ADDR_RANGE -extern int valid_phys_addr_range(phys_addr_t addr, size_t size); -extern int valid_mmap_phys_addr_range(unsigned long pfn, size_t size); - /** * virt_to_phys - map virtual addresses to physical * @address: address to remap diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h index 91c04c8e67fa..e2afbf689309 100644 --- a/arch/x86/include/asm/ptrace.h +++ b/arch/x86/include/asm/ptrace.h @@ -135,9 +135,9 @@ static inline int v8086_mode(struct pt_regs *regs) #endif } -#ifdef CONFIG_X86_64 static inline bool user_64bit_mode(struct pt_regs *regs) { +#ifdef CONFIG_X86_64 #ifndef CONFIG_PARAVIRT /* * On non-paravirt systems, this is the only long mode CPL 3 @@ -148,8 +148,12 @@ static inline bool user_64bit_mode(struct pt_regs *regs) /* Headers are too twisted for this to go in paravirt.h. */ return regs->cs == __USER_CS || regs->cs == pv_info.extra_user_64bit_cs; #endif +#else /* !CONFIG_X86_64 */ + return false; +#endif } +#ifdef CONFIG_X86_64 #define current_user_stack_pointer() current_pt_regs()->sp #define compat_user_stack_pointer() current_pt_regs()->sp #endif diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h index 5545f6459bf5..da3c3a3674a5 100644 --- a/arch/x86/include/asm/traps.h +++ b/arch/x86/include/asm/traps.h @@ -144,4 +144,22 @@ enum { X86_TRAP_IRET = 32, /* 32, IRET Exception */ }; +/* + * Page fault error code bits: + * + * bit 0 == 0: no page found 1: protection fault + * bit 1 == 0: read access 1: write access + * bit 2 == 0: kernel-mode access 1: user-mode access + * bit 3 == 1: use of reserved bit detected + * bit 4 == 1: fault was an instruction fetch + * bit 5 == 1: protection keys block access + */ +enum x86_pf_error_code { + X86_PF_PROT = 1 << 0, + X86_PF_WRITE = 1 << 1, + X86_PF_USER = 1 << 2, + X86_PF_RSVD = 1 << 3, + X86_PF_INSTR = 1 << 4, + X86_PF_PK = 1 << 5, +}; #endif /* _ASM_X86_TRAPS_H */ diff --git a/arch/x86/include/uapi/asm/processor-flags.h b/arch/x86/include/uapi/asm/processor-flags.h index 185f3d10c194..39946d0a1d41 100644 --- a/arch/x86/include/uapi/asm/processor-flags.h +++ b/arch/x86/include/uapi/asm/processor-flags.h @@ -151,5 +151,8 @@ #define CX86_ARR_BASE 0xc4 #define CX86_RCR_BASE 0xdc +#define CR0_STATE (X86_CR0_PE | X86_CR0_MP | X86_CR0_ET | \ + X86_CR0_NE | X86_CR0_WP | X86_CR0_AM | \ + X86_CR0_PG) #endif /* _UAPI_ASM_X86_PROCESSOR_FLAGS_H */ diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 6e50f87765e5..62474df4e3e7 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -211,9 +211,6 @@ ENTRY(startup_32_smp) #endif .Ldefault_entry: -#define CR0_STATE (X86_CR0_PE | X86_CR0_MP | X86_CR0_ET | \ - X86_CR0_NE | X86_CR0_WP | X86_CR0_AM | \ - X86_CR0_PG) movl $(CR0_STATE & ~X86_CR0_PG),%eax movl %eax,%cr0 diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index 311db1a73c11..189bf42dfa2b 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -152,9 +152,6 @@ ENTRY(secondary_startup_64) 1: wrmsr /* Make changes effective */ /* Setup cr0 */ -#define CR0_STATE (X86_CR0_PE | X86_CR0_MP | X86_CR0_ET | \ - X86_CR0_NE | X86_CR0_WP | X86_CR0_AM | \ - X86_CR0_PG) movl $CR0_STATE, %eax /* Make changes effective */ movq %rax, %cr0 diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index e2baeaa053a5..db71c73530bd 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -29,26 +29,6 @@ #include <asm/trace/exceptions.h> /* - * Page fault error code bits: - * - * bit 0 == 0: no page found 1: protection fault - * bit 1 == 0: read access 1: write access - * bit 2 == 0: kernel-mode access 1: user-mode access - * bit 3 == 1: use of reserved bit detected - * bit 4 == 1: fault was an instruction fetch - * bit 5 == 1: protection keys block access - */ -enum x86_pf_error_code { - - PF_PROT = 1 << 0, - PF_WRITE = 1 << 1, - PF_USER = 1 << 2, - PF_RSVD = 1 << 3, - PF_INSTR = 1 << 4, - PF_PK = 1 << 5, -}; - -/* * Returns 0 if mmiotrace is disabled, or if the fault is not * handled by mmiotrace: */ @@ -149,7 +129,7 @@ is_prefetch(struct pt_regs *regs, unsigned long error_code, unsigned long addr) * If it was a exec (instruction fetch) fault on NX page, then * do not ignore the fault: */ - if (error_code & PF_INSTR) + if (error_code & X86_PF_INSTR) return 0; instr = (void *)convert_ip_to_linear(current, regs); @@ -179,7 +159,7 @@ is_prefetch(struct pt_regs *regs, unsigned long error_code, unsigned long addr) * siginfo so userspace can discover which protection key was set * on the PTE. * - * If we get here, we know that the hardware signaled a PF_PK + * If we get here, we know that the hardware signaled a X86_PF_PK * fault and that there was a VMA once we got in the fault * handler. It does *not* guarantee that the VMA we find here * was the one that we faulted on. @@ -204,7 +184,7 @@ static void fill_sig_info_pkey(int si_code, siginfo_t *info, u32 *pkey) /* * force_sig_info_fault() is called from a number of * contexts, some of which have a VMA and some of which - * do not. The PF_PK handing happens after we have a + * do not. The X86_PF_PK handing happens after we have a * valid VMA, so we should never reach this without a * valid VMA. */ @@ -697,7 +677,7 @@ show_fault_oops(struct pt_regs *regs, unsigned long error_code, if (!oops_may_print()) return; - if (error_code & PF_INSTR) { + if (error_code & X86_PF_INSTR) { unsigned int level; pgd_t *pgd; pte_t *pte; @@ -779,7 +759,7 @@ no_context(struct pt_regs *regs, unsigned long error_code, */ if (current->thread.sig_on_uaccess_err && signal) { tsk->thread.trap_nr = X86_TRAP_PF; - tsk->thread.error_code = error_code | PF_USER; + tsk->thread.error_code = error_code | X86_PF_USER; tsk->thread.cr2 = address; /* XXX: hwpoison faults will set the wrong code. */ @@ -897,7 +877,7 @@ __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code, struct task_struct *tsk = current; /* User mode accesses just cause a SIGSEGV */ - if (error_code & PF_USER) { + if (error_code & X86_PF_USER) { /* * It's possible to have interrupts off here: */ @@ -918,7 +898,7 @@ __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code, * Instruction fetch faults in the vsyscall page might need * emulation. */ - if (unlikely((error_code & PF_INSTR) && + if (unlikely((error_code & X86_PF_INSTR) && ((address & ~0xfff) == VSYSCALL_ADDR))) { if (emulate_vsyscall(regs, address)) return; @@ -931,7 +911,7 @@ __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code, * are always protection faults. */ if (address >= TASK_SIZE_MAX) - error_code |= PF_PROT; + error_code |= X86_PF_PROT; if (likely(show_unhandled_signals)) show_signal_msg(regs, error_code, address, tsk); @@ -992,11 +972,11 @@ static inline bool bad_area_access_from_pkeys(unsigned long error_code, if (!boot_cpu_has(X86_FEATURE_OSPKE)) return false; - if (error_code & PF_PK) + if (error_code & X86_PF_PK) return true; /* this checks permission keys on the VMA: */ - if (!arch_vma_access_permitted(vma, (error_code & PF_WRITE), - (error_code & PF_INSTR), foreign)) + if (!arch_vma_access_permitted(vma, (error_code & X86_PF_WRITE), + (error_code & X86_PF_INSTR), foreign)) return true; return false; } @@ -1024,7 +1004,7 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address, int code = BUS_ADRERR; /* Kernel mode? Handle exceptions or die: */ - if (!(error_code & PF_USER)) { + if (!(error_code & X86_PF_USER)) { no_context(regs, error_code, address, SIGBUS, BUS_ADRERR); return; } @@ -1052,14 +1032,14 @@ static noinline void mm_fault_error(struct pt_regs *regs, unsigned long error_code, unsigned long address, u32 *pkey, unsigned int fault) { - if (fatal_signal_pending(current) && !(error_code & PF_USER)) { + if (fatal_signal_pending(current) && !(error_code & X86_PF_USER)) { no_context(regs, error_code, address, 0, 0); return; } if (fault & VM_FAULT_OOM) { /* Kernel mode? Handle exceptions or die: */ - if (!(error_code & PF_USER)) { + if (!(error_code & X86_PF_USER)) { no_context(regs, error_code, address, SIGSEGV, SEGV_MAPERR); return; @@ -1084,16 +1064,16 @@ mm_fault_error(struct pt_regs *regs, unsigned long error_code, static int spurious_fault_check(unsigned long error_code, pte_t *pte) { - if ((error_code & PF_WRITE) && !pte_write(*pte)) + if ((error_code & X86_PF_WRITE) && !pte_write(*pte)) return 0; - if ((error_code & PF_INSTR) && !pte_exec(*pte)) + if ((error_code & X86_PF_INSTR) && !pte_exec(*pte)) return 0; /* * Note: We do not do lazy flushing on protection key - * changes, so no spurious fault will ever set PF_PK. + * changes, so no spurious fault will ever set X86_PF_PK. */ - if ((error_code & PF_PK)) + if ((error_code & X86_PF_PK)) return 1; return 1; @@ -1139,8 +1119,8 @@ spurious_fault(unsigned long error_code, unsigned long address) * change, so user accesses are not expected to cause spurious * faults. */ - if (error_code != (PF_WRITE | PF_PROT) - && error_code != (PF_INSTR | PF_PROT)) + if (error_code != (X86_PF_WRITE | X86_PF_PROT) && + error_code != (X86_PF_INSTR | X86_PF_PROT)) return 0; pgd = init_mm.pgd + pgd_index(address); @@ -1200,19 +1180,19 @@ access_error(unsigned long error_code, struct vm_area_struct *vma) * always an unconditional error and can never result in * a follow-up action to resolve the fault, like a COW. */ - if (error_code & PF_PK) + if (error_code & X86_PF_PK) return 1; /* * Make sure to check the VMA so that we do not perform - * faults just to hit a PF_PK as soon as we fill in a + * faults just to hit a X86_PF_PK as soon as we fill in a * page. */ - if (!arch_vma_access_permitted(vma, (error_code & PF_WRITE), - (error_code & PF_INSTR), foreign)) + if (!arch_vma_access_permitted(vma, (error_code & X86_PF_WRITE), + (error_code & X86_PF_INSTR), foreign)) return 1; - if (error_code & PF_WRITE) { + if (error_code & X86_PF_WRITE) { /* write, present and write, not present: */ if (unlikely(!(vma->vm_flags & VM_WRITE))) return 1; @@ -1220,7 +1200,7 @@ access_error(unsigned long error_code, struct vm_area_struct *vma) } /* read, present: */ - if (unlikely(error_code & PF_PROT)) + if (unlikely(error_code & X86_PF_PROT)) return 1; /* read, not present: */ @@ -1243,7 +1223,7 @@ static inline bool smap_violation(int error_code, struct pt_regs *regs) if (!static_cpu_has(X86_FEATURE_SMAP)) return false; - if (error_code & PF_USER) + if (error_code & X86_PF_USER) return false; if (!user_mode(regs) && (regs->flags & X86_EFLAGS_AC)) @@ -1296,7 +1276,7 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code, * protection error (error_code & 9) == 0. */ if (unlikely(fault_in_kernel_space(address))) { - if (!(error_code & (PF_RSVD | PF_USER | PF_PROT))) { + if (!(error_code & (X86_PF_RSVD | X86_PF_USER | X86_PF_PROT))) { if (vmalloc_fault(address) >= 0) return; @@ -1324,7 +1304,7 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code, if (unlikely(kprobes_fault(regs))) return; - if (unlikely(error_code & PF_RSVD)) + if (unlikely(error_code & X86_PF_RSVD)) pgtable_bad(regs, error_code, address); if (unlikely(smap_violation(error_code, regs))) { @@ -1350,7 +1330,7 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code, */ if (user_mode(regs)) { local_irq_enable(); - error_code |= PF_USER; + error_code |= X86_PF_USER; flags |= FAULT_FLAG_USER; } else { if (regs->flags & X86_EFLAGS_IF) @@ -1359,9 +1339,9 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code, perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address); - if (error_code & PF_WRITE) + if (error_code & X86_PF_WRITE) flags |= FAULT_FLAG_WRITE; - if (error_code & PF_INSTR) + if (error_code & X86_PF_INSTR) flags |= FAULT_FLAG_INSTRUCTION; /* @@ -1381,7 +1361,7 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code, * space check, thus avoiding the deadlock: */ if (unlikely(!down_read_trylock(&mm->mmap_sem))) { - if ((error_code & PF_USER) == 0 && + if (!(error_code & X86_PF_USER) && !search_exception_tables(regs->ip)) { bad_area_nosemaphore(regs, error_code, address, NULL); return; @@ -1408,7 +1388,7 @@ retry: bad_area(regs, error_code, address); return; } - if (error_code & PF_USER) { + if (error_code & X86_PF_USER) { /* * Accessing the stack below %sp is always a bug. * The large cushion allows instructions like enter diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c index 320c6237e1d1..a99679826846 100644 --- a/arch/x86/mm/mmap.c +++ b/arch/x86/mm/mmap.c @@ -174,15 +174,3 @@ const char *arch_vma_name(struct vm_area_struct *vma) return "[mpx]"; return NULL; } - -int valid_phys_addr_range(phys_addr_t addr, size_t count) -{ - return addr + count <= __pa(high_memory); -} - -int valid_mmap_phys_addr_range(unsigned long pfn, size_t count) -{ - phys_addr_t addr = (phys_addr_t)pfn << PAGE_SHIFT; - - return valid_phys_addr_range(addr, count); -} |