path: root/arch/x86/kernel/unwind_frame.c
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authorBorislav Petkov <>2017-10-12 13:23:16 +0200
committerIngo Molnar <>2017-10-14 12:55:40 +0200
commit1f161f67a272cc4f29f27934dd3f74cb657eb5c4 (patch)
tree96b6ed193be5696b37ed9f012aa275155681713c /arch/x86/kernel/unwind_frame.c
parentb956575bed91ecfb136a8300742ecbbf451471ab (diff)
x86/microcode: Do the family check first
On CPUs like AMD's Geode, for example, we shouldn't even try to load microcode because they do not support the modern microcode loading interface. However, we do the family check *after* the other checks whether the loader has been disabled on the command line or whether we're running in a guest. So move the family checks first in order to exit early if we're being loaded on an unsupported family. Reported-and-tested-by: Sven Glodowski <> Signed-off-by: Borislav Petkov <> Cc: <> # 4.11.. Cc: Linus Torvalds <> Cc: Peter Zijlstra <> Cc: Thomas Gleixner <> Link: Link: Signed-off-by: Ingo Molnar <>
Diffstat (limited to 'arch/x86/kernel/unwind_frame.c')
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