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SubjectRe: [PATCH 7/7] x86/microcode: Synchronize late microcode loading
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On 2/28/2018 4:28 AM, Borislav Petkov wrote:
> From: Ashok Raj <ashok.raj@intel.com>
>
> Original idea by Ashok, completely rewritten by Borislav.
>
> Before you read any further: the early loading method is still the
> preferred one and you should always do that. The following patch is
> improving the late loading mechanism for long running jobs and cloud use
> cases.
>
> Gather all cores and serialize the microcode update on them by doing it
> one-by-one to make the late update process as reliable as possible and
> avoid potential issues caused by the microcode update.
>
> Signed-off-by: Ashok Raj <ashok.raj@intel.com>
> [Rewrite completely. ]
> Co-developed-by: Borislav Petkov <bp@suse.de>
> Signed-off-by: Borislav Petkov <bp@suse.de>
> ---
> arch/x86/kernel/cpu/microcode/core.c | 118 +++++++++++++++++++++++++++--------
> 1 file changed, 92 insertions(+), 26 deletions(-)
>

Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>

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