diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-03-06 16:44:14 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-06 16:45:01 +0100 |
| commit | f0ef03985130287c6c84ebe69416cf790e6cc00e (patch) | |
| tree | 3ecb04cc4d82e5fc3ae5f1747e6da172ae8cbcb7 /arch/x86/kernel/efi_64.c | |
| parent | 16097439703bcd38e9fe5608c12add6dacb825ea (diff) | |
| parent | 31bbed527e7039203920c51c9fb48c27aed0820c (diff) | |
| download | kernel_samsung_smdk4412-f0ef03985130287c6c84ebe69416cf790e6cc00e.zip kernel_samsung_smdk4412-f0ef03985130287c6c84ebe69416cf790e6cc00e.tar.gz kernel_samsung_smdk4412-f0ef03985130287c6c84ebe69416cf790e6cc00e.tar.bz2 | |
Merge branch 'x86/core' into tracing/textedit
Conflicts:
arch/x86/Kconfig
block/blktrace.c
kernel/irq/handle.c
Semantic conflict:
kernel/trace/blktrace.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/efi_64.c')
| -rw-r--r-- | arch/x86/kernel/efi_64.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/arch/x86/kernel/efi_64.c b/arch/x86/kernel/efi_64.c index 652c528..22c3b78 100644 --- a/arch/x86/kernel/efi_64.c +++ b/arch/x86/kernel/efi_64.c @@ -36,6 +36,7 @@ #include <asm/proto.h> #include <asm/efi.h> #include <asm/cacheflush.h> +#include <asm/fixmap.h> static pgd_t save_pgd __initdata; static unsigned long efi_flags __initdata; @@ -99,24 +100,11 @@ void __init efi_call_phys_epilog(void) void __iomem *__init efi_ioremap(unsigned long phys_addr, unsigned long size) { - static unsigned pages_mapped __initdata; - unsigned i, pages; - unsigned long offset; + unsigned long last_map_pfn; - pages = PFN_UP(phys_addr + size) - PFN_DOWN(phys_addr); - offset = phys_addr & ~PAGE_MASK; - phys_addr &= PAGE_MASK; - - if (pages_mapped + pages > MAX_EFI_IO_PAGES) + last_map_pfn = init_memory_mapping(phys_addr, phys_addr + size); + if ((last_map_pfn << PAGE_SHIFT) < phys_addr + size) return NULL; - for (i = 0; i < pages; i++) { - __set_fixmap(FIX_EFI_IO_MAP_FIRST_PAGE - pages_mapped, - phys_addr, PAGE_KERNEL); - phys_addr += PAGE_SIZE; - pages_mapped++; - } - - return (void __iomem *)__fix_to_virt(FIX_EFI_IO_MAP_FIRST_PAGE - \ - (pages_mapped - pages)) + offset; + return (void __iomem *)__va(phys_addr); } |