Re: [PATCH 1/1] x86: SMP broken on Xen PV DomU since 6.9

[Thomas Gleixner]

On Fri, Oct 04 2024 at 12:29, Jürgen Groß wrote:
> From: Juergen Gross <jgross@xxxxxxxx>
> Date: Fri, 4 Oct 2024 12:22:12 +0200
> Subject: [PATCH] x86/xen: mark boot CPU of PV guest in MSR_IA32_APICBASE
>
> Recent topology checks of the x86 boot code uncovered the need for
> PV guests to have the boot cpu marked in the APICBASE MSR.
>
> Fixes: 9d22c96316ac ("x86/topology: Handle bogus ACPI tables correctly")
> Reported-by: Niels Dettenbach <nd@xxxxxxxxxxxx>
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>

Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>