On 11/02/15 19:39, Boris Ostrovsky wrote:
> Commit d524165cb8db ("x86/apic: Check x2apic early") tests X2APIC_ENABLE
> bit of MSR_IA32_APICBASE when CONFIG_X86_X2APIC is off and panics
> the kernel when this bit is set.
>
> Xen's PV guests will pass this MSR read to the hypervisor which will
> return its version of the MSR, where this bit might be set. Make sure
> we clear it before returning MSR value to the caller.
Applied to stable/for-linus-3.20, thanks.
David
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel
