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Re: [PATCH v5 1/4] x86/microcode: Allow reading microcode revision even if it can't be updated
- To: Alejandro Vallejo <alejandro.vallejo@xxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Wed, 5 Jul 2023 15:00:31 +0100
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- Cc: Jan Beulich <jbeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
- Delivery-date: Wed, 05 Jul 2023 14:01:03 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 29/06/2023 4:26 pm, Alejandro Vallejo wrote:
> microcode_update_one() currently assumes all microcode handlers are set or
> none are. That won't be the case in a future patch, as apply_microcode()
> may not be set while the others are. Hence, this patch allows reading the
> microcode revision even if updating it is unavailable.
>
> Signed-off-by: Alejandro Vallejo <alejandro.vallejo@xxxxxxxxx>
> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
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