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Re: [PATCH] x86/S3: Restore Xen's MSR_PAT value on S3 resume
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Fri, 6 Jan 2023 13:41:24 +0100
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- Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>, Demi Marie Obenour <demi@xxxxxxxxxxxxxxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Fri, 06 Jan 2023 12:41:31 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 05.01.2023 21:48, Andrew Cooper wrote:
> There are two paths in the trampoline, and Xen's PAT needs setting up in both,
> not just the boot path.
>
> Fixes: 4304ff420e51 ("x86/S3: Drop {save,restore}_rest_processor_state()
> completely")
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
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