linux-kernel - Re: [PATCH 0/2] KVM: x86 emulator: emulate MOVAPS and MOVAPD SSE instructions

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Message-ID: <5326C0C3.6000105@redhat.com>
Date:	Mon, 17 Mar 2014 10:30:43 +0100
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	"H. Peter Anvin" <hpa@...or.com>,
	Igor Mammedov <imammedo@...hat.com>,
	linux-kernel@...r.kernel.org
CC:	gleb@...nel.org, tglx@...utronix.de, mingo@...hat.com,
	x86@...nel.org, kvm@...r.kernel.org
Subject: Re: [PATCH 0/2] KVM: x86 emulator: emulate MOVAPS and MOVAPD SSE
 instructions

Il 15/03/2014 23:42, H. Peter Anvin ha scritto:
> Stupid question... what instructions do NOT need emulsion in KVM? It would seem that at least anything that touches memory would?

Yes, indeed.  Anything that touches memory can be used on MMIO and then 
needs emulation.

Paolo

> On March 15, 2014 1:01:58 PM PDT, Igor Mammedov <imammedo@...hat.com> wrote:
>> MS HCK test fails on 32-bit Windows 8.1 due to missing MOVAPS
>> instruction emulation, this series adds it and while at it,
>> it adds emulation of MOVAPD which is trivial to implement on
>> top of MOVAPS.
>>
>> Igor Mammedov (2):
>>  KVM: x86 emulator: emulate MOVAPS
>>  KVM: x86 emulator: emulate MOVAPD
>>
>> arch/x86/kvm/emulate.c | 8 +++++++-
>> 1 file changed, 7 insertions(+), 1 deletion(-)
>

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