| Date | Fri, 9 Jun 2017 12:55:40 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH v6 04/34] x86/CPU/AMD: Add the Secure Memory Encryption CPU feature |
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On Wed, Jun 07, 2017 at 02:13:53PM -0500, Tom Lendacky wrote: > Update the CPU features to include identifying and reporting on the > Secure Memory Encryption (SME) feature. SME is identified by CPUID > 0x8000001f, but requires BIOS support to enable it (set bit 23 of > MSR_K8_SYSCFG). Only show the SME feature as available if reported by > CPUID and enabled by BIOS. > > Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> > --- > arch/x86/include/asm/cpufeatures.h | 1 + > arch/x86/include/asm/msr-index.h | 2 ++ > arch/x86/kernel/cpu/amd.c | 13 +++++++++++++ > arch/x86/kernel/cpu/scattered.c | 1 + > 4 files changed, 17 insertions(+)
Reviewed-by: Borislav Petkov <bp@suse.de>
-- Regards/Gruss, Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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