Re: [Xen-devel] [PATCH v12 for-xen-4.5 13/20] x86/VPMU: Save VPMU state for PV guests during context switch

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 25.09.14 at 21:28, <boris.ostrovsky@xxxxxxxxxx> wrote:
> Save VPMU state during context switch for both HVM and PV(H) guests.
> 
> A subsequent patch ("x86/VPMU: NMI-based VPMU support") will make it possible
> for vpmu_switch_to() to call vmx_vmcs_try_enter()->vcpu_pause() which needs
> is_running to be correctly set/cleared. To prepare for that, call 
> context_saved()
> before vpmu_switch_to() is executed. (Note that while this change could have
> been dalayed until that later patch, the changes are harmless to existing 
> code
> and so we do it here)
> 
> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Acked-by: Jan Beulich <jbeulich@xxxxxxxx>


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