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Re: [Xen-devel] [PATCH 4/6] x86/suspend: Restore cr4 later during resume
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Tue, 17 Dec 2019 13:12:00 +0100
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- Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>
- Delivery-date: Tue, 17 Dec 2019 12:12:18 +0000
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On Fri, Dec 13, 2019 at 07:04:34PM +0000, Andrew Cooper wrote:
> Just like the BSP/AP paths, %cr4 is loaded with only PAE. Defer restoring all
> of %cr4 (MCE in particular) until all the system structures (IDT/TSS in
> particular) have been loaded.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Thanks, Roger.
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