linux-kernel - Re: [PATCH 0/2] Clear AMD's microcode cache on load failure

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Message-ID: <f8ec905f-04d4-46f6-909c-7f79b151c0df@oracle.com>
Date: Thu, 27 Mar 2025 17:44:32 -0400
From: boris.ostrovsky@...cle.com
To: Ingo Molnar <mingo@...nel.org>
Cc: linux-kernel@...r.kernel.org, bp@...en8.de, tglx@...utronix.de,
        mingo@...hat.com, dave.hansen@...ux.intel.com, x86@...nel.org,
        hpa@...or.com
Subject: Re: [PATCH 0/2] Clear AMD's microcode cache on load failure


On 3/27/25 5:33 PM, Ingo Molnar wrote:
> * Boris Ostrovsky <boris.ostrovsky@...cle.com> wrote:
>
>> Drop microcode cache when load operation fails to update microcode.
>>
>> Also make __apply_microcode_amd() return correct error.
>>
>> Boris Ostrovsky (2):
>>    x86/microcode/AMD: Fix __apply_microcode_amd()'s return value
>>    x86/microcode/AMD: Clean the cache if update did not load microcode
>>
>>   arch/x86/kernel/cpu/microcode/amd.c | 9 ++++++++-
>>   1 file changed, 8 insertions(+), 1 deletion(-)
> Should these be Cc: stable perhaps?


Definitely the first patch. The second one is not really a fix but 
rather an improvement.

Will resend. Thanks.


-boris