x86/asm, x86/microcode: Add __PAGE_OFFSET_BASE define on 32-bit

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... in order to avoid #ifdeffery in code computing the ASLR randomization
offset. Remove that #ifdeffery in the microcode loader.

Suggested-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nicolai Stange <nicstange@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Garnier <thgarnie@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160727120939.GA18911@nazgul.tnic
Signed-off-by: Ingo Molnar <mingo@kernel.org>

...

This commit is contained in:

Borislav Petkov 2016-07-27 14:09:39 +02:00 • committed by Ingo Molnar

parent df15929f8f

commit 4a1a8e1b8f

2 changed files with 2 additions and 3 deletions

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3

arch/x86/include/asm/page_32_types.h

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2

arch/x86/kernel/cpu/microcode/intel.c

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