From: Paolo Bonzini <pbonzini@redhat.com>
To: kvm@vger.kernel.org
Cc: kvm list <kvm@vger.kernel.org>, Eduardo Habkost <ehabkost@redhat.com>
Subject: Re: KVM causes #GP on XRSTORS
Date: Fri, 21 Nov 2014 19:34:13 +0100 [thread overview]
Message-ID: <546F85A5.9070605@redhat.com> (raw)
In-Reply-To: <546F505F.9080309@redhat.com>
On 21/11/2014 15:46, Paolo Bonzini wrote:
> Fenghua, which processors have XSAVEC, which have XGETBV with ECX=1, and
> which have XSAVES? We need to expose this in QEMU, for which I can send
> a patch later today or next week (CCing Eduardo for this).
Actually no change in QEMU is needed to hide XSAVES; the KVM patch I
just sent should be enough for "-cpu host" to work.
We still need the information on processor support though, in order to
enable the feature with the right -cpu options. I assume Nadav was
using "-cpu host".
Paolo
next prev parent reply other threads:[~2014-11-21 18:34 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-20 16:34 KVM causes #GP on XRSTORS Nadav Amit
2014-11-20 22:18 ` Yu, Fenghua
2014-11-21 0:10 ` Wanpeng Li
2014-11-21 1:09 ` Nadav Amit
2014-11-21 14:46 ` Paolo Bonzini
2014-11-21 18:34 ` Paolo Bonzini [this message]
2014-11-24 2:05 ` Wanpeng Li
2014-11-25 18:41 ` Eduardo Habkost
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