Messages in this thread | | | Subject | Re: [PATCH v3 3/6] x86/cpufeatures: Add AMD feature bits for Speculation Control | From | Tom Lendacky <> | Date | Tue, 20 Feb 2018 09:22:08 -0600 |
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On 1/24/2018 4:52 PM, Tom Lendacky wrote: > On 1/24/2018 11:57 AM, David Woodhouse wrote: >> On Wed, 2018-01-24 at 18:20 +0100, Greg KH wrote: >>> On Wed, Jan 24, 2018 at 04:57:02PM +0000, David Woodhouse wrote: >>>> >>>> AMD exposes the PRED_CMD/SPEC_CTRL MSRs slightly differently to Intel. >>>> See http://lkml.kernel.org/r/2b3e25cc-286d-8bd0-aeaf-9ac4aae39de8@amd.com >>> Oh how fun :( >> >> At least they *work* the same :) >> >> Although I still haven't seen that doc, Tom... > > Working on it...
The CPUID/MSR information is published:
https://developer.amd.com/wp-content/resources/Architecture_Guidelines_Update_Indirect_Branch_Control.pdf
Thanks, Tom
> > Thanks, > Tom > >>
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