From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@redhat.com>
Subject: Re: [PATCH][uq/master] kvm: x86: Save/restore FPU OP, IP and DP
Date: Wed, 15 Jun 2011 14:33:32 +0300
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Cc: Marcelo Tosatti <mtosatti@redhat.com>, kvm <kvm@vger.kernel.org>,
	qemu-devel <qemu-devel@nongnu.org>,
	Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>,
	Christophe Fergeau <cfergeau@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
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On 06/15/2011 02:32 PM, Jan Kiszka wrote:
> >
> >  If it isn't zero, there's still a good chance fopcode will be zero
> >  (64-bit userspace, thread that hasn't used the fpu since the last
> >  context switch, last opcode happened to be zero).
>
> I do not yet find "if fopcode is invalid, it is zero, just as IP and DP"
> in the spec. What clears them reliably?

FNINIT

-- 
error compiling committee.c: too many arguments to function