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Re: [PATCH v3 2/5] x86/microcode: Create per-vendor microcode_ops builders
- To: Alejandro Vallejo <alejandro.vallejo@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 19 Jun 2023 17:45:14 +0200
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Mon, 19 Jun 2023 15:45:24 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 15.06.2023 17:48, Alejandro Vallejo wrote:
> --- a/xen/arch/x86/cpu/microcode/amd.c
> +++ b/xen/arch/x86/cpu/microcode/amd.c
> @@ -432,9 +432,13 @@ static struct microcode_patch *cf_check
> cpu_request_microcode(
> return patch;
> }
>
> -const struct microcode_ops __initconst_cf_clobber amd_ucode_ops = {
Something will want to be done to retain the cf_clobber aspect,
i.e. to be able to get rid of no longer necessary ENDBR64 after
alternatives patching is finished. I guess I first need to see
what further patches do in order to maybe come up with a
suggestion.
Jan
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