x86/efi: Add a wrapper function efi_map_region_fixed()

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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>

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Dave Young 2013-12-20 18:02:14 +08:00 • committed by Matt Fleming

parent 2da6e57cce

commit 3b2664964b

3 changed files with 13 additions and 0 deletions

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1

arch/x86/include/asm/efi.h

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2

arch/x86/platform/efi/efi_32.c

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10

arch/x86/platform/efi/efi_64.c

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