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List:       kvm-ppc
Subject:    Re: [PATCH 1/2] KVM: PPC: booke: save/restore VRSAVE (a.k.a.
From:       Scott Wood <scottwood () freescale ! com>
Date:       2011-04-19 15:54:24
Message-ID: 20110419105424.7efdf043 () schlenkerla ! am ! freescale ! net
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On Tue, 19 Apr 2011 00:43:51 +0200
Alexander Graf <agraf@suse.de> wrote:

> On 19.04.2011, at 00:31, Scott Wood wrote:
> 
> > diff --git a/arch/powerpc/kvm/booke_interrupts.S b/arch/powerpc/kvm/booke_interrupts.S
> > index 54c19d2..cde29c4 100644
> > --- a/arch/powerpc/kvm/booke_interrupts.S
> > +++ b/arch/powerpc/kvm/booke_interrupts.S
> > @@ -184,6 +184,8 @@ _GLOBAL(kvmppc_resume_host)
> > 	stw	r3, VCPU_GPR(r4)(r4)
> > 	mfspr	r3, SPRN_SRR0
> > 	stw	r3, VCPU_PC(r4)
> > +	mfspr	r3, SPRN_VRSAVE
> > +	stw	r3, VCPU_VRSAVE(r4)
> 
> Do we need to swap this on every exit or is vcpu_load/put enough?

vcpu_load/put is OK.

-Scott

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