Re: [PATCH v3 3/6] x86/cpufeatures: Add AMD feature bits for Speculation Control

2018-02-20 Thread Tom Lendacky
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 +, David Woodhouse wrote: AMD exposes the PRED_CMD/SPEC_CTRL MSRs slightly differently to Intel. S

Re: [PATCH v3 3/6] x86/cpufeatures: Add AMD feature bits for Speculation Control

2018-01-24 Thread Tom Lendacky
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 +, David Woodhouse wrote: >>> >>> AMD exposes the PRED_CMD/SPEC_CTRL MSRs slightly differently to Intel. >>> See http://lkml.kernel.org/r/2b3e25cc-286d-8bd0-ae

Re: [PATCH v3 3/6] x86/cpufeatures: Add AMD feature bits for Speculation Control

2018-01-24 Thread David Woodhouse
On Wed, 2018-01-24 at 18:20 +0100, Greg KH wrote: > On Wed, Jan 24, 2018 at 04:57:02PM +, 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-9ac4aae39...@amd.com > Oh how fun :( At leas

Re: [PATCH v3 3/6] x86/cpufeatures: Add AMD feature bits for Speculation Control

2018-01-24 Thread Greg KH
On Wed, Jan 24, 2018 at 04:57:02PM +, 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-9ac4aae39...@amd.com Oh how fun :( > Signed-off-by: David Woodhouse Reviewed-by: Greg Kroah-Hartman

[PATCH v3 3/6] x86/cpufeatures: Add AMD feature bits for Speculation Control

2018-01-24 Thread David Woodhouse
AMD exposes the PRED_CMD/SPEC_CTRL MSRs slightly differently to Intel. See http://lkml.kernel.org/r/2b3e25cc-286d-8bd0-aeaf-9ac4aae39...@amd.com Signed-off-by: David Woodhouse --- arch/x86/include/asm/cpufeatures.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/include/asm/cpufe