diff options
| author | H. Peter Anvin <hpa@linux.intel.com> | 2013-04-20 09:16:44 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-04-20 09:16:44 -0700 |
| commit | f53f292eeaa234615c31a1306babe703fc4263f2 (patch) | |
| tree | 707b0933a20f7dc05495e974243a23b5c9f8c918 /arch/x86/platform/efi/efi.c | |
| parent | 15b9c359f288b09003cb70f7ed204affc0c6614d (diff) | |
| parent | a9499fa7cd3fd4824a7202d00c766b269fa3bda6 (diff) | |
Merge remote-tracking branch 'efi/chainsaw' into x86/efi
Resolved Conflicts:
drivers/firmware/efivars.c
fs/efivarsfs/file.c
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/platform/efi/efi.c')
| -rw-r--r-- | arch/x86/platform/efi/efi.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 430cd784a0de..fff986da6239 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -80,9 +80,10 @@ int efi_enabled(int facility) } EXPORT_SYMBOL(efi_enabled); +static bool __initdata disable_runtime = false; static int __init setup_noefi(char *arg) { - clear_bit(EFI_BOOT, &x86_efi_facility); + disable_runtime = true; return 0; } early_param("noefi", setup_noefi); @@ -412,8 +413,8 @@ void __init efi_reserve_boot_services(void) * - Not within any part of the kernel * - Not the bios reserved area */ - if ((start+size >= virt_to_phys(_text) - && start <= virt_to_phys(_end)) || + if ((start+size >= __pa_symbol(_text) + && start <= __pa_symbol(_end)) || !e820_all_mapped(start, start+size, E820_RAM) || memblock_is_region_reserved(start, size)) { /* Could not reserve, skip it */ @@ -730,7 +731,7 @@ void __init efi_init(void) if (!efi_is_native()) pr_info("No EFI runtime due to 32/64-bit mismatch with kernel\n"); else { - if (efi_runtime_init()) + if (disable_runtime || efi_runtime_init()) return; set_bit(EFI_RUNTIME_SERVICES, &x86_efi_facility); } @@ -839,7 +840,7 @@ void __init efi_enter_virtual_mode(void) efi_memory_desc_t *md, *prev_md = NULL; efi_status_t status; unsigned long size; - u64 end, systab, end_pfn; + u64 end, systab, start_pfn, end_pfn; void *p, *va, *new_memmap = NULL; int count = 0; @@ -892,10 +893,9 @@ void __init efi_enter_virtual_mode(void) size = md->num_pages << EFI_PAGE_SHIFT; end = md->phys_addr + size; + start_pfn = PFN_DOWN(md->phys_addr); end_pfn = PFN_UP(end); - if (end_pfn <= max_low_pfn_mapped - || (end_pfn > (1UL << (32 - PAGE_SHIFT)) - && end_pfn <= max_pfn_mapped)) { + if (pfn_range_is_mapped(start_pfn, end_pfn)) { va = __va(md->phys_addr); if (!(md->attribute & EFI_MEMORY_WB)) |