diff options
| author | Pekka Enberg <penberg@kernel.org> | 2010-10-24 19:57:05 +0300 |
|---|---|---|
| committer | Pekka Enberg <penberg@kernel.org> | 2010-10-24 19:57:05 +0300 |
| commit | 6d4121f6c20a0e86231d52f535f1c82423b3326f (patch) | |
| tree | 5c235cac699ca86b504850aa663ddadde0455a61 /arch/x86/kernel/trampoline.c | |
| parent | 92a5bbc11ff2442a54b2f1d313088c245828ef4e (diff) | |
| parent | 35da7a307c535f9c2929cae277f3df425c9f9b1e (diff) | |
Merge branch 'master' into for-linus
Conflicts:
include/linux/percpu.h
mm/percpu.c
Diffstat (limited to 'arch/x86/kernel/trampoline.c')
| -rw-r--r-- | arch/x86/kernel/trampoline.c | 26 |
1 files changed, 5 insertions, 21 deletions
diff --git a/arch/x86/kernel/trampoline.c b/arch/x86/kernel/trampoline.c index e2a59525739..a375616d77f 100644 --- a/arch/x86/kernel/trampoline.c +++ b/arch/x86/kernel/trampoline.c @@ -1,8 +1,8 @@ #include <linux/io.h> +#include <linux/memblock.h> #include <asm/trampoline.h> #include <asm/pgtable.h> -#include <asm/e820.h> #if defined(CONFIG_X86_64) && defined(CONFIG_ACPI_SLEEP) #define __trampinit @@ -17,15 +17,15 @@ unsigned char *__trampinitdata trampoline_base; void __init reserve_trampoline_memory(void) { - unsigned long mem; + phys_addr_t mem; /* Has to be in very low memory so we can execute real-mode AP code. */ - mem = find_e820_area(0, 1<<20, TRAMPOLINE_SIZE, PAGE_SIZE); - if (mem == -1L) + mem = memblock_find_in_range(0, 1<<20, TRAMPOLINE_SIZE, PAGE_SIZE); + if (mem == MEMBLOCK_ERROR) panic("Cannot allocate trampoline\n"); trampoline_base = __va(mem); - reserve_early(mem, mem + TRAMPOLINE_SIZE, "TRAMPOLINE"); + memblock_x86_reserve_range(mem, mem + TRAMPOLINE_SIZE, "TRAMPOLINE"); } /* @@ -38,19 +38,3 @@ unsigned long __trampinit setup_trampoline(void) memcpy(trampoline_base, trampoline_data, TRAMPOLINE_SIZE); return virt_to_phys(trampoline_base); } - -void __init setup_trampoline_page_table(void) -{ -#ifdef CONFIG_X86_32 - /* Copy kernel address range */ - clone_pgd_range(trampoline_pg_dir + KERNEL_PGD_BOUNDARY, - swapper_pg_dir + KERNEL_PGD_BOUNDARY, - KERNEL_PGD_PTRS); - - /* Initialize low mappings */ - clone_pgd_range(trampoline_pg_dir, - swapper_pg_dir + KERNEL_PGD_BOUNDARY, - min_t(unsigned long, KERNEL_PGD_PTRS, - KERNEL_PGD_BOUNDARY)); -#endif -} |