Messages in this thread Patch in this message | | | Date | Fri, 17 Oct 2008 19:27:47 +0200 | From | Ingo Molnar <> | Subject | [git pull] x86 fixes |
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Linus,
Please pull the latest x86-fixes-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git x86-fixes-for-linus
out-of-topic modifications in x86-fixes-for-linus: -------------------------------------------------- mm/vmalloc.c # 73bdf0a: Introduce is_vmalloc_or_module_ad
Thanks,
Ingo
------------------> Linus Torvalds (1): Introduce is_vmalloc_or_module_addr() and use with DEBUG_VIRTUAL
Rafael J. Wysocki (1): x86 ACPI: fix breakage of resume on 64-bit UP systems with SMP kernel
arch/x86/kernel/acpi/sleep.c | 3 +++ mm/vmalloc.c | 18 ++++++++++++++++-- 2 files changed, 19 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index 426e5d9..c44cd6d 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -10,6 +10,7 @@ #include <linux/dmi.h> #include <linux/cpumask.h> #include <asm/segment.h> +#include <asm/desc.h> #include "realmode/wakeup.h" #include "sleep.h" @@ -98,6 +99,8 @@ int acpi_save_state_mem(void) header->trampoline_segment = setup_trampoline() >> 4; #ifdef CONFIG_SMP stack_start.sp = temp_stack + 4096; + early_gdt_descr.address = + (unsigned long)get_cpu_gdt_table(smp_processor_id()); #endif initial_code = (unsigned long)wakeup_long64; saved_magic = 0x123456789abcdef0; diff --git a/mm/vmalloc.c b/mm/vmalloc.c index bba06c4..f018d7e 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -168,6 +168,21 @@ int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages) } EXPORT_SYMBOL_GPL(map_vm_area); +static inline int is_vmalloc_or_module_addr(const void *x) +{ + /* + * x86-64 and sparc64 put modules in a special place, + * and fall back on vmalloc() if that fails. Others + * just put it in the vmalloc space. + */ +#if defined(CONFIG_MODULES) && defined(MODULES_VADDR) + unsigned long addr = (unsigned long)x; + if (addr >= MODULES_VADDR && addr < MODULES_END) + return 1; +#endif + return is_vmalloc_addr(x); +} + /* * Map a vmalloc()-space virtual address to the physical page. */ @@ -184,8 +199,7 @@ struct page *vmalloc_to_page(const void *vmalloc_addr) * XXX we might need to change this if we add VIRTUAL_BUG_ON for * architectures that do not vmalloc module space */ - VIRTUAL_BUG_ON(!is_vmalloc_addr(vmalloc_addr) && - !is_module_address(addr)); + VIRTUAL_BUG_ON(!is_vmalloc_or_module_addr(vmalloc_addr)); if (!pgd_none(*pgd)) { pud = pud_offset(pgd, addr);
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