x86: fixes some bugs about EFI memory map handling

Browse source

This patch fixes some bugs of EFI memory handing code.

- On x86_64, it is possible that EFI memory map can not be mapped via
  identity map, so efi_map_memmap is removed, just use early_ioremap.

- On i386, the EFI memory map mapping take effect cross paging_init,
  so it is not necessary to use efi_map_memmap.

- EFI memory map is unmapped in efi_enter_virtual_mode to avoid
  early_ioremap leak.

Signed-off-by: Huang Ying <ying.huang@intel.com>

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

...

This commit is contained in:

Huang, Ying 2008-01-30 13:34:10 +01:00 • committed by Ingo Molnar

parent bed23c67fe

commit a3828064be

5 changed files with 3 additions and 29 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

arch/x86/kernel/efi.c

View file

15

arch/x86/kernel/efi_32.c

View file

9

arch/x86/kernel/efi_64.c

View file

2

arch/x86/kernel/setup_32.c

View file

4

arch/x86/kernel/setup_64.c

View file