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| author | Dave Young <dyoung@redhat.com> | 2013-12-20 18:02:14 +0800 |
|---|---|---|
| committer | Matt Fleming <matt.fleming@intel.com> | 2013-12-21 15:09:51 +0000 |
| commit | 3b2664964bc886ae9d5127c8d3708b1acc0626d2 (patch) | |
| tree | fd6e3d90de57bf7229bdfa1376e04e8cd55acbab /arch/x86/include/asm/efi.h | |
| parent | 2da6e57cce14a1c3b0692d6f877b72e185110e2e (diff) | |
| download | op-kernel-dev-3b2664964bc886ae9d5127c8d3708b1acc0626d2.zip op-kernel-dev-3b2664964bc886ae9d5127c8d3708b1acc0626d2.tar.gz | |
x86/efi: Add a wrapper function efi_map_region_fixed()
Kexec kernel will use saved runtime virtual mapping, so add a new
function efi_map_region_fixed() for directly mapping a md to md->virt.
The md is passed in from 1st kernel, the virtual addr is saved in
md->virt_addr.
Signed-off-by: Dave Young <dyoung@redhat.com>
Acked-by: Borislav Petkov <bp@suse.de>
Tested-by: Toshi Kani <toshi.kani@hp.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Diffstat (limited to 'arch/x86/include/asm/efi.h')
| -rw-r--r-- | arch/x86/include/asm/efi.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h index 89a05b0..9fbaeb2 100644 --- a/arch/x86/include/asm/efi.h +++ b/arch/x86/include/asm/efi.h @@ -128,6 +128,7 @@ extern void efi_call_phys_epilog(void); extern void efi_unmap_memmap(void); extern void efi_memory_uc(u64 addr, unsigned long size); extern void __init efi_map_region(efi_memory_desc_t *md); +extern void __init efi_map_region_fixed(efi_memory_desc_t *md); extern void efi_sync_low_kernel_mappings(void); extern void efi_setup_page_tables(void); extern void __init old_map_region(efi_memory_desc_t *md); |
