Re: [PATCH 1/4] x86/cpufeatures: Add Intel feature bits for Speculation Control

[Borislav Petkov]

On Sat, Jan 20, 2018 at 12:03:30PM +0000, David Woodhouse wrote:
> Add three feature bits exposed by new microcode on Intel CPUs for
> speculation control. We would now be up to five bits in CPUID(7).RDX
> so take them out of the 'scattered' features and make a proper word
> for them instead.

... as that leaf is a pure feature bits leaf.

> 
> Signed-off-by: David Woodhouse <dwmw@xxxxxxxxxxxx>
> ---
>  arch/x86/include/asm/cpufeature.h        |  7 +++++--
>  arch/x86/include/asm/cpufeatures.h       | 12 +++++++++---
>  arch/x86/include/asm/disabled-features.h |  3 ++-
>  arch/x86/include/asm/required-features.h |  3 ++-
>  arch/x86/kernel/cpu/common.c             |  1 +
>  arch/x86/kernel/cpu/scattered.c          |  2 --
>  6 files changed, 19 insertions(+), 9 deletions(-)

Reviewed-by: Borislav Petkov <bp@xxxxxxx>

-- 
Regards/Gruss,
    Boris.

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