[MODERATED] Re: [PATCH v5 05/11] [PATCH v5 05/10] Linux Patch #5

[Borislav Petkov <bp@suse.de>]

On Wed, Apr 25, 2018 at 10:04:20PM -0400, speck for konrad.wilk_at_oracle.com wrote:
> x86/bugs: Expose the /sys/../spec_store_bypass and X86_BUG_SPEC_STORE_BYPASS
> 
> It does not do much except show the words 'Vulnerable' for recent x86
> cores. Intel cores prior to Nehalem are known not to be vulnerable, and
> so are some Atoms and some Xeon Phi.
> 
> It assumes that older Cyrix, Centaur, etc. cores are immune.
> 
> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> ---
> v1.3: Remove AMD
>     s/md/mdd/
> v1.4: s/mdd/sbb/
> v3: s/SSB/SPEC_STORE_BYPASS
>   Rework the logic in cpu_set_bug_bits to be inverse.
> v4: Expanded the not affected array
>   - s/X86_BUG_CPU_SPEC_STORE_BYPASS/X86_BUG_SPEC_STORE_BYPASS/
> ---
>  arch/x86/include/asm/cpufeatures.h |  1 +
>  arch/x86/kernel/cpu/bugs.c         |  5 +++++
>  arch/x86/kernel/cpu/common.c       | 20 ++++++++++++++++++++
>  drivers/base/cpu.c                 |  8 ++++++++
>  include/linux/cpu.h                |  2 ++
>  5 files changed, 36 insertions(+)

Reviewed-by: Borislav Petkov <bp@suse.de>

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
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