]> git.karo-electronics.de Git - karo-tx-linux.git/commit
efi/arm-init: Use read-only early mappings
authorArd Biesheuvel <ard.biesheuvel@linaro.org>
Wed, 17 Feb 2016 12:36:00 +0000 (12:36 +0000)
committerIngo Molnar <mingo@kernel.org>
Mon, 22 Feb 2016 07:26:27 +0000 (08:26 +0100)
commit2eec5dedf770dc85c1fdf6b86873165e61bb1fff
treed31a22270b5c71a3d13bdd1b9679fab02a15dd85
parent07e83dbb75865b016f6493c119a30aac7c25051a
efi/arm-init: Use read-only early mappings

The early mappings of the EFI system table contents and the UEFI memory
map are read-only from the OS point of view. So map them read-only to
protect them from inadvertent modification.

Tested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/1455712566-16727-8-git-send-email-matt@codeblueprint.co.uk
Signed-off-by: Ingo Molnar <mingo@kernel.org>
drivers/firmware/efi/arm-init.c