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(parent: 1b1ded5) | patch
x86, microcode: Add a disable chicken bit
authorBorislav Petkov <[email protected]>
Mon, 19 May 2014 18:59:17 +0000 (20:59 +0200)
committerH. Peter Anvin <[email protected]>
Wed, 21 May 2014 03:21:27 +0000 (20:21 -0700)
commit65cef1311d5d212fd3d48a43678536dc878ca288
tree016bff3b97650be35dc3fac764116734a5d1d803tree | snapshot
parent1b1ded57a4f2f4420b4de7c395d1b841d8b3c41acommit | diff
x86, microcode: Add a disable chicken bit

Add a cmdline param which disables the microcode loader. This is useful
mostly in debugging situations where we want to turn off microcode
loading, both early from the initrd and late, as a means to be able to
rule out its influence on the machine.

Signed-off-by: Borislav Petkov <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: H. Peter Anvin <[email protected]>
arch/x86/include/asm/microcode.h diff | blob | history
arch/x86/kernel/cpu/microcode/core.c diff | blob | history
arch/x86/kernel/cpu/microcode/core_early.c diff | blob | history
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