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| author | Matt Fleming <matt@codeblueprint.co.uk> | 2015-11-27 21:09:32 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-11-29 08:15:42 (GMT) |
| commit | b61a76f8850d2979550abc42d7e09154ebb8d785 (patch) | |
| tree | baeedcb458835f8a9bc61f6277e211d14d021247 /arch/x86/platform/ts5500 | |
| parent | edc3b9129cecd0f0857112136f5b8b1bc1d45918 (diff) | |
| download | linux-b61a76f8850d2979550abc42d7e09154ebb8d785.tar.xz | |
x86/efi: Map RAM into the identity page table for mixed mode
We are relying on the pre-existing mappings in 'trampoline_pgd'
when accessing function arguments in the EFI mixed mode thunking
code.
Instead let's map memory explicitly so that things will continue
to work when we move to a separate page table in the future.
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Reviewed-by: Borislav Petkov <bp@suse.de>
Acked-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Toshi Kani <toshi.kani@hp.com>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/1448658575-17029-4-git-send-email-matt@codeblueprint.co.uk
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/platform/ts5500')
0 files changed, 0 insertions, 0 deletions