[PATCH 4/6 v2] KVM: PPC: Book3E: Add AltiVec support

mihai.caraman at freescale.com mihai.caraman at freescale.com
Fri Jul 4 01:58:18 EST 2014


> -----Original Message-----
> From: Alexander Graf [mailto:agraf at suse.de]
> Sent: Thursday, July 03, 2014 3:32 PM
> To: Caraman Mihai Claudiu-B02008; kvm-ppc at vger.kernel.org
> Cc: kvm at vger.kernel.org; linuxppc-dev at lists.ozlabs.org
> Subject: Re: [PATCH 4/6 v2] KVM: PPC: Book3E: Add AltiVec support
> 
> 
> On 30.06.14 17:34, Mihai Caraman wrote:
> > Add KVM Book3E AltiVec support. KVM Book3E FPU support gracefully reuse
> host
> > infrastructure so follow the same approach for AltiVec.
> >
> > Signed-off-by: Mihai Caraman <mihai.caraman at freescale.com>
> 
> Same comment here - I fail to see how we refetch Altivec state after a
> context switch.

See previous comment. I also run my usual Altivec stress test consisting in
a guest and host process running affine to a physical core an competing for
the same unit's resources using different data sets.

-Mike


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