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| author | Borislav Petkov <bp@suse.de> | 2016-07-27 14:09:39 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-07-27 14:59:59 +0200 |
| commit | 4a1a8e1b8f9f37bdbba416eb0a5ff3f47d31cb28 (patch) | |
| tree | 7e19f6082162f89cfa5edb8b82f365595f88afa8 /arch/x86/kernel/cpu | |
| parent | Merge branch 'linus' into x86/microcode, to pick up merge window changes (diff) | |
| download | linux-4a1a8e1b8f9f37bdbba416eb0a5ff3f47d31cb28.tar.xz linux-4a1a8e1b8f9f37bdbba416eb0a5ff3f47d31cb28.zip | |
x86/asm, x86/microcode: Add __PAGE_OFFSET_BASE define on 32-bit
... 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>
Diffstat (limited to 'arch/x86/kernel/cpu')
| -rw-r--r-- | arch/x86/kernel/cpu/microcode/intel.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c index 0f97ae93441b..cdc0deab00c9 100644 --- a/arch/x86/kernel/cpu/microcode/intel.c +++ b/arch/x86/kernel/cpu/microcode/intel.c @@ -818,13 +818,11 @@ void load_ucode_intel_ap(void) if (blobs_p->valid) { start = blobs_p->start; -#ifdef CONFIG_RANDOMIZE_MEMORY /* * Pay attention to CONFIG_RANDOMIZE_MEMORY=y as it shuffles * physmem mapping too and there we have the initrd. */ start += PAGE_OFFSET - __PAGE_OFFSET_BASE; -#endif } collect_cpu_info_early(&uci); |