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| author | Ingo Molnar <mingo@elte.hu> | 2009-03-11 10:49:34 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-11 10:49:34 +0100 |
| commit | d95c3578120e5bc4784069439f00ccb1b5f87717 (patch) | |
| tree | c819de31de3983f3d69f223ede07667ff23bf7da /arch/x86/kernel/efi.c | |
| parent | ba1d755a36f66101aa88ac9ebb54694def6ec38d (diff) | |
| parent | 78b020d035074fc3aa4d017353bb2c32e2aff56f (diff) | |
| download | talos-obmc-linux-d95c3578120e5bc4784069439f00ccb1b5f87717.tar.gz talos-obmc-linux-d95c3578120e5bc4784069439f00ccb1b5f87717.zip | |
Merge branch 'x86/core' into cpus4096
Diffstat (limited to 'arch/x86/kernel/efi.c')
| -rw-r--r-- | arch/x86/kernel/efi.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c index 1119d247fe11..1736acc4d7aa 100644 --- a/arch/x86/kernel/efi.c +++ b/arch/x86/kernel/efi.c @@ -366,10 +366,12 @@ void __init efi_init(void) SMBIOS_TABLE_GUID)) { efi.smbios = config_tables[i].table; printk(" SMBIOS=0x%lx ", config_tables[i].table); +#ifdef CONFIG_X86_UV } else if (!efi_guidcmp(config_tables[i].guid, UV_SYSTEM_TABLE_GUID)) { efi.uv_systab = config_tables[i].table; printk(" UVsystab=0x%lx ", config_tables[i].table); +#endif } else if (!efi_guidcmp(config_tables[i].guid, HCDP_TABLE_GUID)) { efi.hcdp = config_tables[i].table; @@ -467,7 +469,7 @@ void __init efi_enter_virtual_mode(void) efi_memory_desc_t *md; efi_status_t status; unsigned long size; - u64 end, systab, addr, npages; + u64 end, systab, addr, npages, end_pfn; void *p, *va; efi.systab = NULL; @@ -479,7 +481,10 @@ void __init efi_enter_virtual_mode(void) size = md->num_pages << EFI_PAGE_SHIFT; end = md->phys_addr + size; - if (PFN_UP(end) <= max_low_pfn_mapped) + end_pfn = PFN_UP(end); + if (end_pfn <= max_low_pfn_mapped + || (end_pfn > (1UL << (32 - PAGE_SHIFT)) + && end_pfn <= max_pfn_mapped)) va = __va(md->phys_addr); else va = efi_ioremap(md->phys_addr, size); |
