diff options
Diffstat (limited to 'arch/i386')
-rw-r--r-- | arch/i386/Kconfig | 2 | ||||
-rw-r--r-- | arch/i386/Kconfig.debug | 4 | ||||
-rw-r--r-- | arch/i386/boot/apm.c | 7 | ||||
-rw-r--r-- | arch/i386/boot/main.c | 16 | ||||
-rw-r--r-- | arch/i386/kernel/alternative.c | 14 | ||||
-rw-r--r-- | arch/i386/kernel/cpu/cpufreq/Kconfig | 2 | ||||
-rw-r--r-- | arch/i386/kernel/e820.c | 2 | ||||
-rw-r--r-- | arch/i386/kernel/microcode.c | 1 | ||||
-rw-r--r-- | arch/i386/kernel/sys_i386.c | 1 | ||||
-rw-r--r-- | arch/i386/kernel/sysenter.c | 1 | ||||
-rw-r--r-- | arch/i386/mm/init.c | 16 | ||||
-rw-r--r-- | arch/i386/power/Makefile | 2 |
12 files changed, 35 insertions, 33 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index abb582bc218..5c8a845a412 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -938,7 +938,7 @@ source "drivers/acpi/Kconfig" menuconfig APM tristate "APM (Advanced Power Management) BIOS support" - depends on PM && !X86_VISWS + depends on PM_SLEEP && !X86_VISWS ---help--- APM is a BIOS specification for saving power using several different techniques. This is mostly useful for battery powered laptops with diff --git a/arch/i386/Kconfig.debug b/arch/i386/Kconfig.debug index b31c0802e1c..f03531eacdf 100644 --- a/arch/i386/Kconfig.debug +++ b/arch/i386/Kconfig.debug @@ -36,11 +36,11 @@ config DEBUG_STACK_USAGE This option will slow down process creation somewhat. comment "Page alloc debug is incompatible with Software Suspend on i386" - depends on DEBUG_KERNEL && SOFTWARE_SUSPEND + depends on DEBUG_KERNEL && HIBERNATION config DEBUG_PAGEALLOC bool "Debug page memory allocations" - depends on DEBUG_KERNEL && !SOFTWARE_SUSPEND && !HUGETLBFS + depends on DEBUG_KERNEL && !HIBERNATION && !HUGETLBFS help Unmap pages from the kernel linear mapping after free_pages(). This results in a large slowdown, but helps to find certain types diff --git a/arch/i386/boot/apm.c b/arch/i386/boot/apm.c index a34087c370c..eab50c55a3a 100644 --- a/arch/i386/boot/apm.c +++ b/arch/i386/boot/apm.c @@ -40,14 +40,15 @@ int query_apm_bios(void) if (bx != 0x504d) /* "PM" signature */ return -1; - if (cx & 0x02) /* 32 bits supported? */ + if (!(cx & 0x02)) /* 32 bits supported? */ return -1; /* Disconnect first, just in case */ ax = 0x5304; + bx = 0; asm volatile("pushl %%ebp ; int $0x15 ; popl %%ebp" - : "+a" (ax) - : : "ebx", "ecx", "edx", "esi", "edi"); + : "+a" (ax), "+b" (bx) + : : "ecx", "edx", "esi", "edi"); /* Paranoia */ ebx = esi = 0; diff --git a/arch/i386/boot/main.c b/arch/i386/boot/main.c index 7f01f96c4fb..0eeef3989a1 100644 --- a/arch/i386/boot/main.c +++ b/arch/i386/boot/main.c @@ -73,15 +73,15 @@ static void keyboard_set_repeat(void) } /* - * Get Intel SpeedStep IST information. + * Get Intel SpeedStep (IST) information. */ -static void query_speedstep_ist(void) +static void query_ist(void) { asm("int $0x15" - : "=a" (boot_params.speedstep_info[0]), - "=b" (boot_params.speedstep_info[1]), - "=c" (boot_params.speedstep_info[2]), - "=d" (boot_params.speedstep_info[3]) + : "=a" (boot_params.ist_info.signature), + "=b" (boot_params.ist_info.command), + "=c" (boot_params.ist_info.event), + "=d" (boot_params.ist_info.perf_level) : "a" (0x0000e980), /* IST Support */ "d" (0x47534943)); /* Request value */ } @@ -144,8 +144,8 @@ void main(void) query_voyager(); #endif - /* Query SpeedStep IST information */ - query_speedstep_ist(); + /* Query Intel SpeedStep (IST) information */ + query_ist(); /* Query APM information */ #if defined(CONFIG_APM) || defined(CONFIG_APM_MODULE) diff --git a/arch/i386/kernel/alternative.c b/arch/i386/kernel/alternative.c index c3750c2c411..c85598acb8f 100644 --- a/arch/i386/kernel/alternative.c +++ b/arch/i386/kernel/alternative.c @@ -430,22 +430,12 @@ void __init alternative_instructions(void) * And on the local CPU you need to be protected again NMI or MCE handlers * seeing an inconsistent instruction while you patch. */ -void __kprobes text_poke(void *oaddr, unsigned char *opcode, int len) +void __kprobes text_poke(void *addr, unsigned char *opcode, int len) { - u8 *addr = oaddr; - if (!pte_write(*lookup_address((unsigned long)addr))) { - struct page *p[2] = { virt_to_page(addr), virt_to_page(addr+PAGE_SIZE) }; - addr = vmap(p, 2, VM_MAP, PAGE_KERNEL); - if (!addr) - return; - addr += ((unsigned long)oaddr) % PAGE_SIZE; - } memcpy(addr, opcode, len); sync_core(); /* Not strictly needed, but can speed CPU recovery up. Ignore cross cacheline case. */ if (cpu_has_clflush) - asm("clflush (%0) " :: "r" (oaddr) : "memory"); - if (addr != oaddr) - vunmap(addr); + asm("clflush (%0) " :: "r" (addr) : "memory"); } diff --git a/arch/i386/kernel/cpu/cpufreq/Kconfig b/arch/i386/kernel/cpu/cpufreq/Kconfig index 094118ba00d..d8c6f132dc7 100644 --- a/arch/i386/kernel/cpu/cpufreq/Kconfig +++ b/arch/i386/kernel/cpu/cpufreq/Kconfig @@ -92,7 +92,7 @@ config X86_POWERNOW_K8 config X86_POWERNOW_K8_ACPI bool "ACPI Support" select ACPI_PROCESSOR - depends on X86_POWERNOW_K8 + depends on ACPI && X86_POWERNOW_K8 default y help This provides access to the K8s Processor Performance States via ACPI. diff --git a/arch/i386/kernel/e820.c b/arch/i386/kernel/e820.c index e60cddbc4cf..3c86b979a40 100644 --- a/arch/i386/kernel/e820.c +++ b/arch/i386/kernel/e820.c @@ -321,7 +321,7 @@ static int __init request_standard_resources(void) subsys_initcall(request_standard_resources); -#if defined(CONFIG_PM) && defined(CONFIG_SOFTWARE_SUSPEND) +#if defined(CONFIG_PM) && defined(CONFIG_HIBERNATION) /** * e820_mark_nosave_regions - Find the ranges of physical addresses that do not * correspond to e820 RAM areas and mark the corresponding pages as nosave for diff --git a/arch/i386/kernel/microcode.c b/arch/i386/kernel/microcode.c index d865d041bea..09cf7811035 100644 --- a/arch/i386/kernel/microcode.c +++ b/arch/i386/kernel/microcode.c @@ -82,6 +82,7 @@ #include <linux/miscdevice.h> #include <linux/spinlock.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/mutex.h> #include <linux/cpu.h> #include <linux/firmware.h> diff --git a/arch/i386/kernel/sys_i386.c b/arch/i386/kernel/sys_i386.c index e5dcb937901..42147304de8 100644 --- a/arch/i386/kernel/sys_i386.c +++ b/arch/i386/kernel/sys_i386.c @@ -9,6 +9,7 @@ #include <linux/errno.h> #include <linux/sched.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/smp.h> #include <linux/sem.h> #include <linux/msg.h> diff --git a/arch/i386/kernel/sysenter.c b/arch/i386/kernel/sysenter.c index 6deb159d08e..4eb2e408764 100644 --- a/arch/i386/kernel/sysenter.c +++ b/arch/i386/kernel/sysenter.c @@ -16,6 +16,7 @@ #include <linux/string.h> #include <linux/elf.h> #include <linux/mm.h> +#include <linux/err.h> #include <linux/module.h> #include <asm/cpufeature.h> diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c index c3b9905af2d..730a5b177b1 100644 --- a/arch/i386/mm/init.c +++ b/arch/i386/mm/init.c @@ -432,7 +432,7 @@ static void __init pagetable_init (void) paravirt_pagetable_setup_done(pgd_base); } -#if defined(CONFIG_SOFTWARE_SUSPEND) || defined(CONFIG_ACPI_SLEEP) +#if defined(CONFIG_HIBERNATION) || defined(CONFIG_ACPI) /* * Swap suspend & friends need this for resume because things like the intel-agp * driver might have split up a kernel 4MB mapping. @@ -800,9 +800,17 @@ void mark_rodata_ro(void) unsigned long start = PFN_ALIGN(_text); unsigned long size = PFN_ALIGN(_etext) - start; - change_page_attr(virt_to_page(start), - size >> PAGE_SHIFT, PAGE_KERNEL_RX); - printk("Write protecting the kernel text: %luk\n", size >> 10); +#ifndef CONFIG_KPROBES +#ifdef CONFIG_HOTPLUG_CPU + /* It must still be possible to apply SMP alternatives. */ + if (num_possible_cpus() <= 1) +#endif + { + change_page_attr(virt_to_page(start), + size >> PAGE_SHIFT, PAGE_KERNEL_RX); + printk("Write protecting the kernel text: %luk\n", size >> 10); + } +#endif start += size; size = (unsigned long)__end_rodata - start; change_page_attr(virt_to_page(start), diff --git a/arch/i386/power/Makefile b/arch/i386/power/Makefile index 2de7bbf03cd..d764ec95006 100644 --- a/arch/i386/power/Makefile +++ b/arch/i386/power/Makefile @@ -1,2 +1,2 @@ obj-$(CONFIG_PM) += cpu.o -obj-$(CONFIG_SOFTWARE_SUSPEND) += swsusp.o suspend.o +obj-$(CONFIG_HIBERNATION) += swsusp.o suspend.o |