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Re: [PATCH v3] x86/S3: restore MCE (APs) init
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Mon, 23 Mar 2026 15:00:37 +0100
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Marek Marczykowski <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Mon, 23 Mar 2026 14:00:58 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Mon, Mar 23, 2026 at 12:48:50PM +0100, Jan Beulich wrote:
> MCE init for APs was broken when CPU feature re-checking was added. At the
> same time make sure we don't bypass setup_doitm() (and whatever else may
> be added to the bottom of identify_cpu()).
>
> Fixes: bb502a8ca592 ("x86: check feature flags after resume")
> Reported-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> Tested-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
Acked-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Thanks, Roger.
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