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author | Ingo Molnar <mingo@elte.hu> | 2009-02-20 17:40:43 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-02-20 17:40:43 +0100 |
commit | 3b6f7b9beb553ea71a6d4d76ba82cf32eb6dadd2 (patch) | |
tree | 2cd8a8d61f350aa3b00e6b0afc998544923f183e /arch | |
parent | 9be1b56a3e718aa998772019c57c398dbb19e258 (diff) | |
parent | 07a66d7c53a538e1a9759954a82bb6c07365eff9 (diff) | |
download | kernel_samsung_smdk4412-3b6f7b9beb553ea71a6d4d76ba82cf32eb6dadd2.zip kernel_samsung_smdk4412-3b6f7b9beb553ea71a6d4d76ba82cf32eb6dadd2.tar.gz kernel_samsung_smdk4412-3b6f7b9beb553ea71a6d4d76ba82cf32eb6dadd2.tar.bz2 |
Merge branch 'x86/urgent' into x86/core
Diffstat (limited to 'arch')
61 files changed, 187 insertions, 236 deletions
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c index f238370..8d0097f 100644 --- a/arch/alpha/kernel/process.c +++ b/arch/alpha/kernel/process.c @@ -93,8 +93,8 @@ common_shutdown_1(void *generic_ptr) if (cpuid != boot_cpuid) { flags |= 0x00040000UL; /* "remain halted" */ *pflags = flags; - cpu_clear(cpuid, cpu_present_map); - cpu_clear(cpuid, cpu_possible_map); + set_cpu_present(cpuid, false); + set_cpu_possible(cpuid, false); halt(); } #endif @@ -120,8 +120,8 @@ common_shutdown_1(void *generic_ptr) #ifdef CONFIG_SMP /* Wait for the secondaries to halt. */ - cpu_clear(boot_cpuid, cpu_present_map); - cpu_clear(boot_cpuid, cpu_possible_map); + set_cpu_present(boot_cpuid, false); + set_cpu_possible(boot_cpuid, false); while (cpus_weight(cpu_present_map)) barrier(); #endif diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index 00f1dc3..b1fe567 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -120,12 +120,12 @@ void __cpuinit smp_callin(void) { int cpuid = hard_smp_processor_id(); - cpumask_t mask = cpu_online_map; - if (cpu_test_and_set(cpuid, mask)) { + if (cpu_online(cpuid)) { printk("??, cpu 0x%x already present??\n", cpuid); BUG(); } + set_cpu_online(cpuid, true); /* Turn on machine checks. */ wrmces(7); @@ -436,8 +436,8 @@ setup_smp(void) ((char *)cpubase + i*hwrpb->processor_size); if ((cpu->flags & 0x1cc) == 0x1cc) { smp_num_probed++; - cpu_set(i, cpu_possible_map); - cpu_set(i, cpu_present_map); + set_cpu_possible(i, true); + set_cpu_present(i, true); cpu->pal_revision = boot_cpu_palrev; } @@ -470,8 +470,8 @@ smp_prepare_cpus(unsigned int max_cpus) /* Nothing to do on a UP box, or when told not to. */ if (smp_num_probed == 1 || max_cpus == 0) { - cpu_possible_map = cpumask_of_cpu(boot_cpuid); - cpu_present_map = cpumask_of_cpu(boot_cpuid); + init_cpu_possible(cpumask_of(boot_cpuid)); + init_cpu_present(cpumask_of(boot_cpuid)); printk(KERN_INFO "SMP mode deactivated.\n"); return; } diff --git a/arch/arm/configs/at91sam9260ek_defconfig b/arch/arm/configs/at91sam9260ek_defconfig index e0ee706..98e2f3d 100644 --- a/arch/arm/configs/at91sam9260ek_defconfig +++ b/arch/arm/configs/at91sam9260ek_defconfig @@ -608,7 +608,7 @@ CONFIG_WATCHDOG_NOWAYOUT=y # Watchdog Device Drivers # # CONFIG_SOFT_WATCHDOG is not set -CONFIG_AT91SAM9_WATCHDOG=y +CONFIG_AT91SAM9X_WATCHDOG=y # # USB-based Watchdog Cards diff --git a/arch/arm/configs/at91sam9261ek_defconfig b/arch/arm/configs/at91sam9261ek_defconfig index 01d1ef9..1494561 100644 --- a/arch/arm/configs/at91sam9261ek_defconfig +++ b/arch/arm/configs/at91sam9261ek_defconfig @@ -700,7 +700,7 @@ CONFIG_WATCHDOG_NOWAYOUT=y # Watchdog Device Drivers # # CONFIG_SOFT_WATCHDOG is not set -CONFIG_AT91SAM9_WATCHDOG=y +CONFIG_AT91SAM9X_WATCHDOG=y # # USB-based Watchdog Cards diff --git a/arch/arm/configs/at91sam9263ek_defconfig b/arch/arm/configs/at91sam9263ek_defconfig index 036a126..21599f3 100644 --- a/arch/arm/configs/at91sam9263ek_defconfig +++ b/arch/arm/configs/at91sam9263ek_defconfig @@ -710,7 +710,7 @@ CONFIG_WATCHDOG_NOWAYOUT=y # Watchdog Device Drivers # # CONFIG_SOFT_WATCHDOG is not set -CONFIG_AT91SAM9_WATCHDOG=y +CONFIG_AT91SAM9X_WATCHDOG=y # # USB-based Watchdog Cards diff --git a/arch/arm/configs/at91sam9rlek_defconfig b/arch/arm/configs/at91sam9rlek_defconfig index 237a2a6..e2df81a 100644 --- a/arch/arm/configs/at91sam9rlek_defconfig +++ b/arch/arm/configs/at91sam9rlek_defconfig @@ -606,7 +606,7 @@ CONFIG_WATCHDOG_NOWAYOUT=y # Watchdog Device Drivers # # CONFIG_SOFT_WATCHDOG is not set -CONFIG_AT91SAM9_WATCHDOG=y +CONFIG_AT91SAM9X_WATCHDOG=y # # Sonics Silicon Backplane diff --git a/arch/arm/configs/qil-a9260_defconfig b/arch/arm/configs/qil-a9260_defconfig index cd1d717..9b32d0e 100644 --- a/arch/arm/configs/qil-a9260_defconfig +++ b/arch/arm/configs/qil-a9260_defconfig @@ -727,7 +727,7 @@ CONFIG_WATCHDOG_NOWAYOUT=y # Watchdog Device Drivers # # CONFIG_SOFT_WATCHDOG is not set -# CONFIG_AT91SAM9_WATCHDOG is not set +# CONFIG_AT91SAM9X_WATCHDOG is not set # # USB-based Watchdog Cards diff --git a/arch/arm/kernel/elf.c b/arch/arm/kernel/elf.c index 8484909..d4a0da1 100644 --- a/arch/arm/kernel/elf.c +++ b/arch/arm/kernel/elf.c @@ -74,9 +74,9 @@ EXPORT_SYMBOL(elf_set_personality); */ int arm_elf_read_implies_exec(const struct elf32_hdr *x, int executable_stack) { - if (executable_stack != EXSTACK_ENABLE_X) + if (executable_stack != EXSTACK_DISABLE_X) return 1; - if (cpu_architecture() <= CPU_ARCH_ARMv6) + if (cpu_architecture() < CPU_ARCH_ARMv6) return 1; return 0; } diff --git a/arch/arm/mach-at91/at91cap9_devices.c b/arch/arm/mach-at91/at91cap9_devices.c index 9eca220..412aa49 100644 --- a/arch/arm/mach-at91/at91cap9_devices.c +++ b/arch/arm/mach-at91/at91cap9_devices.c @@ -697,7 +697,7 @@ static void __init at91_add_device_rtt(void) * Watchdog * -------------------------------------------------------------------- */ -#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE) +#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) static struct platform_device at91cap9_wdt_device = { .name = "at91_wdt", .id = -1, diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c index fdde1ea..d74c9ac 100644 --- a/arch/arm/mach-at91/at91sam9260_devices.c +++ b/arch/arm/mach-at91/at91sam9260_devices.c @@ -643,7 +643,7 @@ static void __init at91_add_device_rtt(void) * Watchdog * -------------------------------------------------------------------- */ -#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE) +#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) static struct platform_device at91sam9260_wdt_device = { .name = "at91_wdt", .id = -1, diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c index 1728975..59fc483 100644 --- a/arch/arm/mach-at91/at91sam9261_devices.c +++ b/arch/arm/mach-at91/at91sam9261_devices.c @@ -621,7 +621,7 @@ static void __init at91_add_device_rtt(void) * Watchdog * -------------------------------------------------------------------- */ -#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE) +#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) static struct platform_device at91sam9261_wdt_device = { .name = "at91_wdt", .id = -1, diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c index b753cb8..134af97 100644 --- a/arch/arm/mach-at91/at91sam9263_devices.c +++ b/arch/arm/mach-at91/at91sam9263_devices.c @@ -854,7 +854,7 @@ static void __init at91_add_device_rtt(void) * Watchdog * -------------------------------------------------------------------- */ -#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE) +#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) static struct platform_device at91sam9263_wdt_device = { .name = "at91_wdt", .id = -1, diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c index 145324f..7281865 100644 --- a/arch/arm/mach-at91/at91sam9rl_devices.c +++ b/arch/arm/mach-at91/at91sam9rl_devices.c @@ -609,7 +609,7 @@ static void __init at91_add_device_rtt(void) * Watchdog * -------------------------------------------------------------------- */ -#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE) +#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) static struct platform_device at91sam9rl_wdt_device = { .name = "at91_wdt", .id = -1, diff --git a/arch/arm/mach-at91/gpio.c b/arch/arm/mach-at91/gpio.c index 9b0447c..2f7d497 100644 --- a/arch/arm/mach-at91/gpio.c +++ b/arch/arm/mach-at91/gpio.c @@ -490,7 +490,8 @@ postcore_initcall(at91_gpio_debugfs_init); /*--------------------------------------------------------------------------*/ -/* This lock class tells lockdep that GPIO irqs are in a different +/* + * This lock class tells lockdep that GPIO irqs are in a different * category than their parents, so it won't report false recursion. */ static struct lock_class_key gpio_lock_class; @@ -509,9 +510,6 @@ void __init at91_gpio_irq_setup(void) unsigned id = this->id; unsigned i; - /* enable PIO controller's clock */ - clk_enable(this->clock); - __raw_writel(~0, this->regbase + PIO_IDR); for (i = 0, pin = this->chipbase; i < 32; i++, pin++) { @@ -556,7 +554,14 @@ void __init at91_gpio_init(struct at91_gpio_bank *data, int nr_banks) data->chipbase = PIN_BASE + i * 32; data->regbase = data->offset + (void __iomem *)AT91_VA_BASE_SYS; - /* AT91SAM9263_ID_PIOCDE groups PIOC, PIOD, PIOE */ + /* enable PIO controller's clock */ + clk_enable(data->clock); + + /* + * Some processors share peripheral ID between multiple GPIO banks. + * SAM9263 (PIOC, PIOD, PIOE) + * CAP9 (PIOA, PIOB, PIOC, PIOD) + */ if (last && last->id == data->id) last->next = data; } diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h index fb51f0e..0b3ae21 100644 --- a/arch/arm/mach-at91/include/mach/board.h +++ b/arch/arm/mach-at91/include/mach/board.h @@ -93,6 +93,7 @@ struct atmel_nand_data { u8 enable_pin; /* chip enable */ u8 det_pin; /* card detect */ u8 rdy_pin; /* ready/busy */ + u8 rdy_pin_active_low; /* rdy_pin value is inverted */ u8 ale; /* address line number connected to ALE */ u8 cle; /* address line number connected to CLE */ u8 bus_width_16; /* buswidth is 16 bit */ diff --git a/arch/arm/mach-ep93xx/include/mach/gesbc9312.h b/arch/arm/mach-ep93xx/include/mach/gesbc9312.h deleted file mode 100644 index 21fe2b9..0000000 --- a/arch/arm/mach-ep93xx/include/mach/gesbc9312.h +++ /dev/null @@ -1,3 +0,0 @@ -/* - * arch/arm/mach-ep93xx/include/mach/gesbc9312.h - */ diff --git a/arch/arm/mach-ep93xx/include/mach/hardware.h b/arch/arm/mach-ep93xx/include/mach/hardware.h index 529807d..2866297 100644 --- a/arch/arm/mach-ep93xx/include/mach/hardware.h +++ b/arch/arm/mach-ep93xx/include/mach/hardware.h @@ -10,7 +10,6 @@ #include "platform.h" -#include "gesbc9312.h" #include "ts72xx.h" #endif diff --git a/arch/arm/mach-kirkwood/irq.c b/arch/arm/mach-kirkwood/irq.c index efb86b7..06083b2 100644 --- a/arch/arm/mach-kirkwood/irq.c +++ b/arch/arm/mach-kirkwood/irq.c @@ -42,7 +42,7 @@ void __init kirkwood_init_irq(void) writel(0, GPIO_EDGE_CAUSE(32)); for (i = IRQ_KIRKWOOD_GPIO_START; i < NR_IRQS; i++) { - set_irq_chip(i, &orion_gpio_irq_level_chip); + set_irq_chip(i, &orion_gpio_irq_chip); set_irq_handler(i, handle_level_irq); irq_desc[i].status |= IRQ_LEVEL; set_irq_flags(i, IRQF_VALID); diff --git a/arch/arm/mach-mv78xx0/irq.c b/arch/arm/mach-mv78xx0/irq.c index e273418..30b7e4b 100644 --- a/arch/arm/mach-mv78xx0/irq.c +++ b/arch/arm/mach-mv78xx0/irq.c @@ -40,7 +40,7 @@ void __init mv78xx0_init_irq(void) writel(0, GPIO_EDGE_CAUSE(0)); for (i = IRQ_MV78XX0_GPIO_START; i < NR_IRQS; i++) { - set_irq_chip(i, &orion_gpio_irq_level_chip); + set_irq_chip(i, &orion_gpio_irq_chip); set_irq_handler(i, handle_level_irq); irq_desc[i].status |= IRQ_LEVEL; set_irq_flags(i, IRQF_VALID); diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index ad721e0..ce4d46a 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -565,7 +565,7 @@ u32 omap2_clksel_to_divisor(struct clk *clk, u32 field_val) * * Given a struct clk of a rate-selectable clksel clock, and a clock divisor, * find the corresponding register field value. The return register value is - * the value before left-shifting. Returns 0xffffffff on error + * the value before left-shifting. Returns ~0 on error */ u32 omap2_divisor_to_clksel(struct clk *clk, u32 div) { @@ -577,7 +577,7 @@ u32 omap2_divisor_to_clksel(struct clk *clk, u32 div) clks = omap2_get_clksel_by_parent(clk, clk->parent); if (clks == NULL) - return 0; + return ~0; for (clkr = clks->rates; clkr->div; clkr++) { if ((clkr->flags & cpu_mask) && (clkr->div == div)) @@ -588,7 +588,7 @@ u32 omap2_divisor_to_clksel(struct clk *clk, u32 div) printk(KERN_ERR "clock: Could not find divisor %d for " "clock %s parent %s\n", div, clk->name, clk->parent->name); - return 0; + return ~0; } return clkr->val; @@ -708,7 +708,7 @@ static u32 omap2_clksel_get_src_field(void __iomem **src_addr, return 0; for (clkr = clks->rates; clkr->div; clkr++) { - if (clkr->flags & (cpu_mask | DEFAULT_RATE)) + if (clkr->flags & cpu_mask && clkr->flags & DEFAULT_RATE) break; /* Found the default rate for this platform */ } @@ -746,7 +746,7 @@ int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent) return -EINVAL; if (clk->usecount > 0) - _omap2_clk_disable(clk); + omap2_clk_disable(clk); /* Set new source value (previous dividers if any in effect) */ reg_val = __raw_readl(src_addr) & ~field_mask; @@ -759,11 +759,11 @@ int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent) wmb(); } - if (clk->usecount > 0) - _omap2_clk_enable(clk); - clk->parent = new_parent; + if (clk->usecount > 0) + omap2_clk_enable(clk); + /* CLKSEL clocks follow their parents' rates, divided by a divisor */ clk->rate = new_parent->rate; diff --git a/arch/arm/mach-orion5x/irq.c b/arch/arm/mach-orion5x/irq.c index 0caae43..e03f7b4 100644 --- a/arch/arm/mach-orion5x/irq.c +++ b/arch/arm/mach-orion5x/irq.c @@ -44,7 +44,7 @@ void __init orion5x_init_irq(void) * User can use set_type() if he wants to use edge types handlers. */ for (i = IRQ_ORION5X_GPIO_START; i < NR_IRQS; i++) { - set_irq_chip(i, &orion_gpio_irq_level_chip); + set_irq_chip(i, &orion_gpio_irq_chip); set_irq_handler(i, handle_level_irq); irq_desc[i].status |= IRQ_LEVEL; set_irq_flags(i, IRQF_VALID); diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 9b36c5c..d4d082c 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -693,7 +693,8 @@ static void __init sanity_check_meminfo(void) * Check whether this memory bank would entirely overlap * the vmalloc area. */ - if (__va(bank->start) >= VMALLOC_MIN) { + if (__va(bank->start) >= VMALLOC_MIN || + __va(bank->start) < PAGE_OFFSET) { printk(KERN_NOTICE "Ignoring RAM at %.8lx-%.8lx " "(vmalloc region overlap).\n", bank->start, bank->start + bank->size - 1); diff --git a/arch/arm/plat-orion/gpio.c b/arch/arm/plat-orion/gpio.c index 9671864..0d12c21 100644 --- a/arch/arm/plat-orion/gpio.c +++ b/arch/arm/plat-orion/gpio.c @@ -265,51 +265,36 @@ EXPORT_SYMBOL(orion_gpio_set_blink); * polarity LEVEL mask * ****************************************************************************/ -static void gpio_irq_edge_ack(u32 irq) -{ - int pin = irq_to_gpio(irq); - - writel(~(1 << (pin & 31)), GPIO_EDGE_CAUSE(pin)); -} - -static void gpio_irq_edge_mask(u32 irq) -{ - int pin = irq_to_gpio(irq); - u32 u; - - u = readl(GPIO_EDGE_MASK(pin)); - u &= ~(1 << (pin & 31)); - writel(u, GPIO_EDGE_MASK(pin)); -} -static void gpio_irq_edge_unmask(u32 irq) +static void gpio_irq_ack(u32 irq) { - int pin = irq_to_gpio(irq); - u32 u; - - u = readl(GPIO_EDGE_MASK(pin)); - u |= 1 << (pin & 31); - writel(u, GPIO_EDGE_MASK(pin)); + int type = irq_desc[irq].status & IRQ_TYPE_SENSE_MASK; + if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) { + int pin = irq_to_gpio(irq); + writel(~(1 << (pin & 31)), GPIO_EDGE_CAUSE(pin)); + } } -static void gpio_irq_level_mask(u32 irq) +static void gpio_irq_mask(u32 irq) { int pin = irq_to_gpio(irq); - u32 u; - - u = readl(GPIO_LEVEL_MASK(pin)); + int type = irq_desc[irq].status & IRQ_TYPE_SENSE_MASK; + u32 reg = (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) ? + GPIO_EDGE_MASK(pin) : GPIO_LEVEL_MASK(pin); + u32 u = readl(reg); u &= ~(1 << (pin & 31)); - writel(u, GPIO_LEVEL_MASK(pin)); + writel(u, reg); } -static void gpio_irq_level_unmask(u32 irq) +static void gpio_irq_unmask(u32 irq) { int pin = irq_to_gpio(irq); - u32 u; - - u = readl(GPIO_LEVEL_MASK(pin)); + int type = irq_desc[irq].status & IRQ_TYPE_SENSE_MASK; + u32 reg = (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) ? + GPIO_EDGE_MASK(pin) : GPIO_LEVEL_MASK(pin); + u32 u = readl(reg); u |= 1 << (pin & 31); - writel(u, GPIO_LEVEL_MASK(pin)); + writel(u, reg); } static int gpio_irq_set_type(u32 irq, u32 type) @@ -331,9 +316,9 @@ static int gpio_irq_set_type(u32 irq, u32 type) * Set edge/level type. */ if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) { - desc->chip = &orion_gpio_irq_edge_chip; + desc->handle_irq = handle_edge_irq; } else if (type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)) { - desc->chip = &orion_gpio_irq_level_chip; + desc->handle_irq = handle_level_irq; } else { printk(KERN_ERR "failed to set irq=%d (type=%d)\n", irq, type); return -EINVAL; @@ -371,19 +356,11 @@ static int gpio_irq_set_type(u32 irq, u32 type) return 0; } -struct irq_chip orion_gpio_irq_edge_chip = { - .name = "orion_gpio_irq_edge", - .ack = gpio_irq_edge_ack, - .mask = gpio_irq_edge_mask, - .unmask = gpio_irq_edge_unmask, - .set_type = gpio_irq_set_type, -}; - -struct irq_chip orion_gpio_irq_level_chip = { - .name = "orion_gpio_irq_level", - .mask = gpio_irq_level_mask, - .mask_ack = gpio_irq_level_mask, - .unmask = gpio_irq_level_unmask, +struct irq_chip orion_gpio_irq_chip = { + .name = "orion_gpio", + .ack = gpio_irq_ack, + .mask = gpio_irq_mask, + .unmask = gpio_irq_unmask, .set_type = gpio_irq_set_type, }; diff --git a/arch/arm/plat-orion/include/plat/gpio.h b/arch/arm/plat-orion/include/plat/gpio.h index 54deaf2..ec743e8 100644 --- a/arch/arm/plat-orion/include/plat/gpio.h +++ b/arch/arm/plat-orion/include/plat/gpio.h @@ -31,8 +31,7 @@ void orion_gpio_set_blink(unsigned pin, int blink); /* * GPIO interrupt handling. */ -extern struct irq_chip orion_gpio_irq_edge_chip; -extern struct irq_chip orion_gpio_irq_level_chip; +extern struct irq_chip orion_gpio_irq_chip; void orion_gpio_irq_handler(int irqoff); diff --git a/arch/avr32/mach-at32ap/include/mach/board.h b/arch/avr32/mach-at32ap/include/mach/board.h index aafaf7a..cff8e84 100644 --- a/arch/avr32/mach-at32ap/include/mach/board.h +++ b/arch/avr32/mach-at32ap/include/mach/board.h @@ -116,6 +116,7 @@ struct atmel_nand_data { int enable_pin; /* chip enable */ int det_pin; /* card detect */ int rdy_pin; /* ready/busy */ + u8 rdy_pin_active_low; /* rdy_pin value is inverted */ u8 ale; /* address line number connected to ALE */ u8 cle; /* address line number connected to CLE */ u8 bus_width_16; /* buswidth is 16 bit */ diff --git a/arch/ia64/include/asm/kvm.h b/arch/ia64/include/asm/kvm.h index 116761c..2b0a38e 100644 --- a/arch/ia64/include/asm/kvm.h +++ b/arch/ia64/include/asm/kvm.h @@ -24,6 +24,10 @@ #include <linux/types.h> #include <linux/ioctl.h> +/* Select x86 specific features in <linux/kvm.h> */ +#define __KVM_HAVE_IOAPIC +#define __KVM_HAVE_DEVICE_ASSIGNMENT + /* Architectural interrupt line count. */ #define KVM_NR_INTERRUPTS 256 diff --git a/arch/ia64/include/asm/mmzone.h b/arch/ia64/include/asm/mmzone.h index 34efe88..f2ca320 100644 --- a/arch/ia64/include/asm/mmzone.h +++ b/arch/ia64/include/asm/mmzone.h @@ -31,10 +31,6 @@ static inline int pfn_to_nid(unsigned long pfn) #endif } -#ifdef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID -extern int early_pfn_to_nid(unsigned long pfn); -#endif - #ifdef CONFIG_IA64_DIG /* DIG systems are small */ # define MAX_PHYSNODE_ID 8 # define NR_NODE_MEMBLKS (MAX_NUMNODES * 8) diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index 4e586f6..28f9820 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -1337,6 +1337,10 @@ static void kvm_release_vm_pages(struct kvm *kvm) } } +void kvm_arch_sync_events(struct kvm *kvm) +{ +} + void kvm_arch_destroy_vm(struct kvm *kvm) { kvm_iommu_unmap_guest(kvm); diff --git a/arch/ia64/kvm/process.c b/arch/ia64/kvm/process.c index 552d077..230eae4 100644 --- a/arch/ia64/kvm/process.c +++ b/arch/ia64/kvm/process.c @@ -455,13 +455,18 @@ fpswa_ret_t vmm_fp_emulate(int fp_fault, void *bundle, unsigned long *ipsr, if (!vmm_fpswa_interface) return (fpswa_ret_t) {-1, 0, 0, 0}; - /* - * Just let fpswa driver to use hardware fp registers. - * No fp register is valid in memory. - */ memset(&fp_state, 0, sizeof(fp_state_t)); /* + * compute fp_state. only FP registers f6 - f11 are used by the + * vmm, so set those bits in the mask and set the low volatile + * pointer to point to these registers. + */ + fp_state.bitmask_low64 = 0xfc0; /* bit6..bit11 */ + + fp_state.fp_state_low_volatile = (fp_state_low_volatile_t *) ®s->f6; + + /* * unsigned long (*EFI_FPSWA) ( * unsigned long trap_type, * void *Bundle, @@ -545,10 +550,6 @@ void reflect_interruption(u64 ifa, u64 isr, u64 iim, status = vmm_handle_fpu_swa(0, regs, isr); if (!status) return ; - else if (-EAGAIN == status) { - vcpu_decrement_iip(vcpu); - return ; - } break; } diff --git a/arch/ia64/mm/numa.c b/arch/ia64/mm/numa.c index b73bf18..3efea7d 100644 --- a/arch/ia64/mm/numa.c +++ b/arch/ia64/mm/numa.c @@ -58,7 +58,7 @@ paddr_to_nid(unsigned long paddr) * SPARSEMEM to allocate the SPARSEMEM sectionmap on the NUMA node where * the section resides. */ -int early_pfn_to_nid(unsigned long pfn) +int __meminit __early_pfn_to_nid(unsigned long pfn) { int i, section = pfn >> PFN_SECTION_SHIFT, ssec, esec; @@ -70,7 +70,7 @@ int early_pfn_to_nid(unsigned long pfn) return node_memblk[i].nid; } - return 0; + return -1; } #ifdef CONFIG_MEMORY_HOTPLUG diff --git a/arch/powerpc/include/asm/pgtable-4k.h b/arch/powerpc/include/asm/pgtable-4k.h index 6b18ba9..1dbca4e7 100644 --- a/arch/powerpc/include/asm/pgtable-4k.h +++ b/arch/powerpc/include/asm/pgtable-4k.h @@ -60,7 +60,7 @@ /* It should be preserving the high 48 bits and then specifically */ /* preserving _PAGE_SECONDARY | _PAGE_GROUP_IX */ #define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY | \ - _PAGE_HPTEFLAGS) + _PAGE_HPTEFLAGS | _PAGE_SPECIAL) /* Bits to mask out from a PMD to get to the PTE page */ #define PMD_MASKED_BITS 0 diff --git a/arch/powerpc/include/asm/pgtable-64k.h b/arch/powerpc/include/asm/pgtable-64k.h index 07b0d8f..7389003 100644 --- a/arch/powerpc/include/asm/pgtable-64k.h +++ b/arch/powerpc/include/asm/pgtable-64k.h @@ -114,7 +114,7 @@ static inline struct subpage_prot_table *pgd_subpage_prot(pgd_t *pgd) * pgprot changes */ #define _PAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \ - _PAGE_ACCESSED) + _PAGE_ACCESSED | _PAGE_SPECIAL) /* Bits to mask out from a PMD to get to the PTE page */ #define PMD_MASKED_BITS 0x1ff diff --git a/arch/powerpc/include/asm/pgtable-ppc32.h b/arch/powerpc/include/asm/pgtable-ppc32.h index f69a4d9..820b5f0 100644 --- a/arch/powerpc/include/asm/pgtable-ppc32.h +++ b/arch/powerpc/include/asm/pgtable-ppc32.h @@ -429,7 +429,8 @@ extern int icache_44x_need_flush; #define PMD_PAGE_SIZE(pmd) bad_call_to_PMD_PAGE_SIZE() #endif -#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY) +#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY | \ + _PAGE_SPECIAL) #define PAGE_PROT_BITS (_PAGE_GUARDED | _PAGE_COHERENT | _PAGE_NO_CACHE | \ diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c index 5af4e9b..ada0692 100644 --- a/arch/powerpc/kernel/align.c +++ b/arch/powerpc/kernel/align.c @@ -646,11 +646,16 @@ static int emulate_vsx(unsigned char __user *addr, unsigned int reg, unsigned int areg, struct pt_regs *regs, unsigned int flags, unsigned int length) { - char *ptr = (char *) ¤t->thread.TS_FPR(reg); + char *ptr; int ret = 0; flush_vsx_to_thread(current); + if (reg < 32) + ptr = (char *) ¤t->thread.TS_FPR(reg); + else + ptr = (char *) ¤t->thread.vr[reg - 32]; + if (flags & ST) ret = __copy_to_user(addr, ptr, length); else { diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 2822c8c..5f81256 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -125,6 +125,10 @@ static void kvmppc_free_vcpus(struct kvm *kvm) } } +void kvm_arch_sync_events(struct kvm *kvm) +{ +} + void kvm_arch_destroy_vm(struct kvm *kvm) { kvmppc_free_vcpus(kvm); diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 7393bd7..5ac08b8 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -19,6 +19,7 @@ #include <linux/notifier.h> #include <linux/lmb.h> #include <linux/of.h> +#include <linux/pfn.h> #include <asm/sparsemem.h> #include <asm/prom.h> #include <asm/system.h> @@ -882,7 +883,7 @@ static void mark_reserved_regions_for_nid(int nid) unsigned long physbase = lmb.reserved.region[i].base; unsigned long size = lmb.reserved.region[i].size; unsigned long start_pfn = physbase >> PAGE_SHIFT; - unsigned long end_pfn = ((physbase + size) >> PAGE_SHIFT); + unsigned long end_pfn = PFN_UP(physbase + size); struct node_active_region node_ar; unsigned long node_end_pfn = node->node_start_pfn + node->node_spanned_pages; @@ -908,7 +909,7 @@ static void mark_reserved_regions_for_nid(int nid) */ if (end_pfn > node_ar.end_pfn) reserve_size = (node_ar.end_pfn << PAGE_SHIFT) - - (start_pfn << PAGE_SHIFT); + - physbase; /* * Only worry about *this* node, others may not * yet have valid NODE_DATA(). diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c index 67de6bf..d281cc0 100644 --- a/arch/powerpc/platforms/ps3/mm.c +++ b/arch/powerpc/platforms/ps3/mm.c @@ -328,7 +328,7 @@ static int __init ps3_mm_add_memory(void) return result; } -core_initcall(ps3_mm_add_memory); +device_initcall(ps3_mm_add_memory); /*============================================================================*/ /* dma routines */ diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h index 5217264..95b0f7d 100644 --- a/arch/s390/include/asm/cputime.h +++ b/arch/s390/include/asm/cputime.h @@ -145,7 +145,7 @@ cputime_to_timeval(const cputime_t cputime, struct timeval *value) value->tv_usec = rp.subreg.even / 4096; value->tv_sec = rp.subreg.odd; #else - value->tv_usec = cputime % 4096000000ULL; + value->tv_usec = (cputime % 4096000000ULL) / 4096; value->tv_sec = cputime / 4096000000ULL; #endif } diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h index 2bd9fae..e8bd6ac 100644 --- a/arch/s390/include/asm/setup.h +++ b/arch/s390/include/asm/setup.h @@ -43,6 +43,8 @@ struct mem_chunk { extern struct mem_chunk memory_chunk[]; extern unsigned long real_memory_size; +extern int memory_end_set; +extern unsigned long memory_end; void detect_memory_layout(struct mem_chunk chunk[]); diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index d825f49..c5cfb61 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -82,7 +82,9 @@ char elf_platform[ELF_PLATFORM_SIZE]; struct mem_chunk __initdata memory_chunk[MEMORY_CHUNKS]; volatile int __cpu_logical_map[NR_CPUS]; /* logical cpu to cpu address */ -static unsigned long __initdata memory_end; + +int __initdata memory_end_set; +unsigned long __initdata memory_end; /* * This is set up by the setup-routine at boot-time @@ -281,6 +283,7 @@ void (*pm_power_off)(void) = machine_power_off; static int __init early_parse_mem(char *p) { memory_end = memparse(p, &p); + memory_end_set = 1; return 0; } early_param("mem", early_parse_mem); @@ -508,8 +511,10 @@ static void __init setup_memory_end(void) int i; #if defined(CONFIG_ZFCPDUMP) || defined(CONFIG_ZFCPDUMP_MODULE) - if (ipl_info.type == IPL_TYPE_FCP_DUMP) + if (ipl_info.type == IPL_TYPE_FCP_DUMP) { memory_end = ZFCPDUMP_HSA_SIZE; + memory_end_set = 1; + } #endif memory_size = 0; memory_end &= PAGE_MASK; diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index be84971..0d33893 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -212,6 +212,10 @@ static void kvm_free_vcpus(struct kvm *kvm) } } +void kvm_arch_sync_events(struct kvm *kvm) +{ +} + void kvm_arch_destroy_vm(struct kvm *kvm) { kvm_free_vcpus(kvm); diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index ba4781b..fdb45df 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -175,28 +175,8 @@ config IOMMU_LEAK Add a simple leak tracer to the IOMMU code. This is useful when you are debugging a buggy device driver that leaks IOMMU mappings. -config MMIOTRACE - bool "Memory mapped IO tracing" - depends on DEBUG_KERNEL && PCI - select TRACING - help - Mmiotrace traces Memory Mapped I/O access and is meant for - debugging and reverse engineering. It is called from the ioremap - implementation and works via page faults. Tracing is disabled by - default and can be enabled at run-time. - - See Documentation/tracers/mmiotrace.txt. - If you are not helping to develop drivers, say N. - -config MMIOTRACE_TEST - tristate "Test module for mmiotrace" - depends on MMIOTRACE && m - help - This is a dumb module for testing mmiotrace. It is very dangerous - as it will write garbage to IO memory starting at a given address. - However, it should be safe to use on e.g. unused portion of VRAM. - - Say N, unless you absolutely know what you are doing. +config HAVE_MMIOTRACE_SUPPORT + def_bool y # # IO delay types: diff --git a/arch/x86/include/asm/kvm.h b/arch/x86/include/asm/kvm.h index d2e3bf3..886c940 100644 --- a/arch/x86/include/asm/kvm.h +++ b/arch/x86/include/asm/kvm.h @@ -9,6 +9,13 @@ #include <linux/types.h> #include <linux/ioctl.h> +/* Select x86 specific features in <linux/kvm.h> */ +#define __KVM_HAVE_PIT +#define __KVM_HAVE_IOAPIC +#define __KVM_HAVE_DEVICE_ASSIGNMENT +#define __KVM_HAVE_MSI +#define __KVM_HAVE_USER_NMI + /* Architectural interrupt line count. */ #define KVM_NR_INTERRUPTS 256 diff --git a/arch/x86/include/asm/mmzone_32.h b/arch/x86/include/asm/mmzone_32.h index 07f1af4..105fb90 100644 --- a/arch/x86/include/asm/mmzone_32.h +++ b/arch/x86/include/asm/mmzone_32.h @@ -32,8 +32,6 @@ static inline void get_memcfg_numa(void) get_memcfg_numa_flat(); } -extern int early_pfn_to_nid(unsigned long pfn); - extern void resume_map_numa_kva(pgd_t *pgd); #else /* !CONFIG_NUMA */ diff --git a/arch/x86/include/asm/mmzone_64.h b/arch/x86/include/asm/mmzone_64.h index a5b3817..a29f48c 100644 --- a/arch/x86/include/asm/mmzone_64.h +++ b/arch/x86/include/asm/mmzone_64.h @@ -40,8 +40,6 @@ static inline __attribute__((pure)) int phys_to_nid(unsigned long addr) #define node_end_pfn(nid) (NODE_DATA(nid)->node_start_pfn + \ NODE_DATA(nid)->node_spanned_pages) -extern int early_pfn_to_nid(unsigned long pfn); - #ifdef CONFIG_NUMA_EMU #define FAKE_NODE_MIN_SIZE (64 * 1024 * 1024) #define FAKE_NODE_MIN_HASH_MASK (~(FAKE_NODE_MIN_SIZE - 1UL)) diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index c12823e..160b3ab 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -837,7 +837,7 @@ void clear_local_APIC(void) } /* lets not touch this if we didn't frob it */ -#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(X86_MCE_INTEL) +#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(CONFIG_X86_MCE_INTEL) if (maxlvt >= 5) { v = apic_read(APIC_LVTTHMR); apic_write(APIC_LVTTHMR, v | APIC_LVT_MASKED); diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c index fb039cd..6428aa1 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c @@ -1157,8 +1157,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol) data->cpu = pol->cpu; data->currpstate = HW_PSTATE_INVALID; - rc = powernow_k8_cpu_init_acpi(data); - if (rc) { + if (powernow_k8_cpu_init_acpi(data)) { /* * Use the PSB BIOS structure. This is only availabe on * an UP version, and is deprecated by AMD. @@ -1176,17 +1175,20 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol) "ACPI maintainers and complain to your BIOS " "vendor.\n"); #endif - goto err_out; + kfree(data); + return -ENODEV; } if (pol->cpu != 0) { printk(KERN_ERR FW_BUG PFX "No ACPI _PSS objects for " "CPU other than CPU0. Complain to your BIOS " "vendor.\n"); - goto err_out; + kfree(data); + return -ENODEV; } rc = find_psb_table(data); if (rc) { - goto err_out; + kfree(data); + return -ENODEV; } /* Take a crude guess here. * That guess was in microseconds, so multiply with 1000 */ diff --git a/arch/x86/kernel/cpu/mcheck/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c index 1c83803..25cf624 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_64.c +++ b/arch/x86/kernel/cpu/mcheck/mce_64.c @@ -295,11 +295,11 @@ void do_machine_check(struct pt_regs * regs, long error_code) * If we know that the error was in user space, send a * SIGBUS. Otherwise, panic if tolerance is low. * - * do_exit() takes an awful lot of locks and has a slight + * force_sig() takes an awful lot of locks and has a slight * risk of deadlocking. */ if (user_space) { - do_exit(SIGBUS); + force_sig(SIGBUS, current); } else if (panic_on_oops || tolerant < 2) { mce_panic("Uncorrected machine check", &panicm, mcestart); @@ -734,6 +734,7 @@ __setup("mce=", mcheck_enable); static int mce_resume(struct sys_device *dev) { mce_init(NULL); + mce_cpu_features(¤t_cpu_data); return 0; } diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index fec79ad..646da41 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -111,9 +111,6 @@ void cpu_idle(void) check_pgt_cache(); rmb(); - if (rcu_pending(cpu)) - rcu_check_callbacks(cpu, 0); - if (cpu_is_offline(cpu)) play_dead(); diff --git a/arch/x86/kernel/vmiclock_32.c b/arch/x86/kernel/vmiclock_32.c index a4791ef..9cd28c0 100644 --- a/arch/x86/kernel/vmiclock_32.c +++ b/arch/x86/kernel/vmiclock_32.c @@ -283,10 +283,13 @@ void __devinit vmi_time_ap_init(void) #endif /** vmi clocksource */ +static struct clocksource clocksource_vmi; static cycle_t read_real_cycles(void) { - return vmi_timer_ops.get_cycle_counter(VMI_CYCLES_REAL); + cycle_t ret = (cycle_t)vmi_timer_ops.get_cycle_counter(VMI_CYCLES_REAL); + return ret >= clocksource_vmi.cycle_last ? + ret : clocksource_vmi.cycle_last; } static struct clocksource clocksource_vmi = { diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index e665d1c..72bd275 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -207,7 +207,7 @@ static int __pit_timer_fn(struct kvm_kpit_state *ps) hrtimer_add_expires_ns(&pt->timer, pt->period); pt->scheduled = hrtimer_get_expires_ns(&pt->timer); if (pt->period) - ps->channels[0].count_load_time = hrtimer_get_expires(&pt->timer); + ps->channels[0].count_load_time = ktime_get(); return (pt->period == 0 ? 0 : 1); } diff --git a/arch/x86/kvm/irq.c b/arch/x86/kvm/irq.c index c019b8e..cf17ed5 100644 --- a/arch/x86/kvm/irq.c +++ b/arch/x86/kvm/irq.c @@ -87,13 +87,6 @@ void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu) } EXPORT_SYMBOL_GPL(kvm_inject_pending_timer_irqs); -void kvm_timer_intr_post(struct kvm_vcpu *vcpu, int vec) -{ - kvm_apic_timer_intr_post(vcpu, vec); - /* TODO: PIT, RTC etc. */ -} -EXPORT_SYMBOL_GPL(kvm_timer_intr_post); - void __kvm_migrate_timers(struct kvm_vcpu *vcpu) { __kvm_migrate_apic_timer(vcpu); diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h index 2bf32a0..82579ee 100644 --- a/arch/x86/kvm/irq.h +++ b/arch/x86/kvm/irq.h @@ -89,7 +89,6 @@ static inline int irqchip_in_kernel(struct kvm *kvm) void kvm_pic_reset(struct kvm_kpic_state *s); -void kvm_timer_intr_post(struct kvm_vcpu *vcpu, int vec); void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu); void kvm_inject_apic_timer_irqs(struct kvm_vcpu *vcpu); void kvm_apic_nmi_wd_deliver(struct kvm_vcpu *vcpu); diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index afac68c..f0b67f2 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -35,6 +35,12 @@ #include "kvm_cache_regs.h" #include "irq.h" +#ifndef CONFIG_X86_64 +#define mod_64(x, y) ((x) - (y) * div64_u64(x, y)) +#else +#define mod_64(x, y) ((x) % (y)) +#endif + #define PRId64 "d" #define PRIx64 "llx" #define PRIu64 "u" @@ -511,52 +517,22 @@ static void apic_send_ipi(struct kvm_lapic *apic) static u32 apic_get_tmcct(struct kvm_lapic *apic) { - u64 counter_passed; - ktime_t passed, now; + ktime_t remaining; + s64 ns; u32 tmcct; ASSERT(apic != NULL); - now = apic->timer.dev.base->get_time(); - tmcct = apic_get_reg(apic, APIC_TMICT); - /* if initial count is 0, current count should also be 0 */ - if (tmcct == 0) + if (apic_get_reg(apic, APIC_TMICT) == 0) return 0; - if (unlikely(ktime_to_ns(now) <= - ktime_to_ns(apic->timer.last_update))) { - /* Wrap around */ - passed = ktime_add(( { - (ktime_t) { - .tv64 = KTIME_MAX - - (apic->timer.last_update).tv64}; } - ), now); - apic_debug("time elapsed\n"); - } else - passed = ktime_sub(now, apic->timer.last_update); - - counter_passed = div64_u64(ktime_to_ns(passed), - (APIC_BUS_CYCLE_NS * apic->timer.divide_count)); - - if (counter_passed > tmcct) { - if (unlikely(!apic_lvtt_period(apic))) { - /* one-shot timers stick at 0 until reset */ - tmcct = 0; - } else { - /* - * periodic timers reset to APIC_TMICT when they - * hit 0. The while loop simulates this happening N - * times. (counter_passed %= tmcct) would also work, - * but might be slower or not work on 32-bit?? - */ - while (counter_passed > tmcct) - counter_passed -= tmcct; - tmcct -= counter_passed; - } - } else { - tmcct -= counter_passed; - } + remaining = hrtimer_expires_remaining(&apic->timer.dev); + if (ktime_to_ns(remaining) < 0) + remaining = ktime_set(0, 0); + + ns = mod_64(ktime_to_ns(remaining), apic->timer.period); + tmcct = div64_u64(ns, (APIC_BUS_CYCLE_NS * apic->timer.divide_count)); return tmcct; } @@ -653,8 +629,6 @@ static void start_apic_timer(struct kvm_lapic *apic) { ktime_t now = apic->timer.dev.base->get_time(); - apic->timer.last_update = now; - apic->timer.period = apic_get_reg(apic, APIC_TMICT) * APIC_BUS_CYCLE_NS * apic->timer.divide_count; atomic_set(&apic->timer.pending, 0); @@ -1110,16 +1084,6 @@ void kvm_inject_apic_timer_irqs(struct kvm_vcpu *vcpu) } } -void kvm_apic_timer_intr_post(struct kvm_vcpu *vcpu, int vec) -{ - struct kvm_lapic *apic = vcpu->arch.apic; - - if (apic && apic_lvt_vector(apic, APIC_LVTT) == vec) - apic->timer.last_update = ktime_add_ns( - apic->timer.last_update, - apic->timer.period); -} - int kvm_get_apic_interrupt(struct kvm_vcpu *vcpu) { int vector = kvm_apic_has_interrupt(vcpu); diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h index 8185888..45ab6ee 100644 --- a/arch/x86/kvm/lapic.h +++ b/arch/x86/kvm/lapic.h @@ -12,7 +12,6 @@ struct kvm_lapic { atomic_t pending; s64 period; /* unit: ns */ u32 divide_count; - ktime_t last_update; struct hrtimer dev; } timer; struct kvm_vcpu *vcpu; @@ -42,7 +41,6 @@ void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data); void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu); int kvm_lapic_enabled(struct kvm_vcpu *vcpu); int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu); -void kvm_apic_timer_intr_post(struct kvm_vcpu *vcpu, int vec); void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr); void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu); diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 83f11c7..2d4477c 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1698,8 +1698,13 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte, if (largepage) spte |= PT_PAGE_SIZE_MASK; if (mt_mask) { - mt_mask = get_memory_type(vcpu, gfn) << - kvm_x86_ops->get_mt_mask_shift(); + if (!kvm_is_mmio_pfn(pfn)) { + mt_mask = get_memory_type(vcpu, gfn) << + kvm_x86_ops->get_mt_mask_shift(); + mt_mask |= VMX_EPT_IGMT_BIT; + } else + mt_mask = MTRR_TYPE_UNCACHABLE << + kvm_x86_ops->get_mt_mask_shift(); spte |= mt_mask; } diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 1452851..a9e769e 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1600,7 +1600,6 @@ static void svm_intr_assist(struct kvm_vcpu *vcpu) /* Okay, we can deliver the interrupt: grab it and update PIC state. */ intr_vector = kvm_cpu_get_interrupt(vcpu); svm_inject_irq(svm, intr_vector); - kvm_timer_intr_post(vcpu, intr_vector); out: update_cr8_intercept(vcpu); } diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 6259d74..7611af5 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -903,6 +903,7 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata) data = vmcs_readl(GUEST_SYSENTER_ESP); break; default: + vmx_load_host_state(to_vmx(vcpu)); msr = find_msr_entry(to_vmx(vcpu), msr_index); if (msr) { data = msr->data; @@ -3285,7 +3286,6 @@ static void vmx_intr_assist(struct kvm_vcpu *vcpu) } if (vcpu->arch.interrupt.pending) { vmx_inject_irq(vcpu, vcpu->arch.interrupt.nr); - kvm_timer_intr_post(vcpu, vcpu->arch.interrupt.nr); if (kvm_cpu_has_interrupt(vcpu)) enable_irq_window(vcpu); } @@ -3687,8 +3687,7 @@ static int __init vmx_init(void) if (vm_need_ept()) { bypass_guest_pf = 0; kvm_mmu_set_base_ptes(VMX_EPT_READABLE_MASK | - VMX_EPT_WRITABLE_MASK | - VMX_EPT_IGMT_BIT); + VMX_EPT_WRITABLE_MASK); kvm_mmu_set_mask_ptes(0ull, 0ull, 0ull, 0ull, VMX_EPT_EXECUTABLE_MASK, VMX_EPT_DEFAULT_MT << VMX_EPT_MT_EPTE_SHIFT); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index cc17546..758b7a1 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -967,7 +967,6 @@ int kvm_dev_ioctl_check_extension(long ext) case KVM_CAP_MMU_SHADOW_CACHE_CONTROL: case KVM_CAP_SET_TSS_ADDR: case KVM_CAP_EXT_CPUID: - case KVM_CAP_CLOCKSOURCE: case KVM_CAP_PIT: case KVM_CAP_NOP_IO_DELAY: case KVM_CAP_MP_STATE: @@ -992,6 +991,9 @@ int kvm_dev_ioctl_check_extension(long ext) case KVM_CAP_IOMMU: r = iommu_found(); break; + case KVM_CAP_CLOCKSOURCE: + r = boot_cpu_has(X86_FEATURE_CONSTANT_TSC); + break; default: r = 0; break; @@ -4127,9 +4129,13 @@ static void kvm_free_vcpus(struct kvm *kvm) } -void kvm_arch_destroy_vm(struct kvm *kvm) +void kvm_arch_sync_events(struct kvm *kvm) { kvm_free_all_assigned_devices(kvm); +} + +void kvm_arch_destroy_vm(struct kvm *kvm) +{ kvm_iommu_unmap_guest(kvm); kvm_free_pit(kvm); kfree(kvm->arch.vpic); diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c index deb1c1a..64c9cf0 100644 --- a/arch/x86/mm/numa_64.c +++ b/arch/x86/mm/numa_64.c @@ -166,7 +166,7 @@ int __init compute_hash_shift(struct bootnode *nodes, int numnodes, return shift; } -int early_pfn_to_nid(unsigned long pfn) +int __meminit __early_pfn_to_nid(unsigned long pfn) { return phys_to_nid(pfn << PAGE_SHIFT); } diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 8ca0d85..7be47d1 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -508,18 +508,13 @@ static int split_large_page(pte_t *kpte, unsigned long address) #endif /* - * Install the new, split up pagetable. Important details here: + * Install the new, split up pagetable. * - * On Intel the NX bit of all levels must be cleared to make a - * page executable. See section 4.13.2 of Intel 64 and IA-32 - * Architectures Software Developer's Manual). - * - * Mark the entry present. The current mapping might be - * set to not present, which we preserved above. + * We use the standard kernel pagetable protections for the new + * pagetable protections, the actual ptes set above control the + * primary protection behavior: */ - ref_prot = pte_pgprot(pte_mkexec(pte_clrhuge(*kpte))); - pgprot_val(ref_prot) |= _PAGE_PRESENT; - __set_pmd_pte(kpte, address, mk_pte(base, ref_prot)); + __set_pmd_pte(kpte, address, mk_pte(base, __pgprot(_KERNPG_TABLE))); base = NULL; out_unlock: |