From mboxrd@z Thu Jan  1 00:00:00 1970
From: Radim =?utf-8?B?S3LEjW3DocWZ?= <rkrcmar@redhat.com>
Subject: Re: [PATCH] x86: svm: make wbinvd faster
Date: Mon, 2 Mar 2015 15:09:48 +0100
Message-ID: <20150302140947.GB26739@potion.brq.redhat.com>
References: <20150228001917.15247.41063.stgit@joelvmguard2.amd.com>
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Cc: Gleb Natapov <gleb@kernel.org>,
	Paolo Bonzini <pbonzini@redhat.com>, kvm@vger.kernel.org,
	David Kaplan <David.Kaplan@amd.com>,
	Joerg Roedel <joro@8bytes.org>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	linux-kernel@vger.kernel.org, Borislav Petkov <bp@alien8.de>
To: Joel Schopp <joel.schopp@amd.com>
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2015-02-27 18:19-0600, Joel Schopp:
> From: David Kaplan <David.Kaplan@amd.com>
> No need to re-decode WBINVD since we know what it is from the interce=
pt.
>=20
> Signed-off-by: David Kaplan <David.Kaplan@amd.com>
> [extracted from larger unlrelated patch, forward ported, tested]
> Signed-off-by: Joel Schopp <joel.schopp@amd.com>
> ---

Reviewed-by: Radim Kr=C4=8Dm=C3=A1=C5=99 <rkrcmar@redhat.com>

> diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
> +static int wbinvd_interception(struct vcpu_svm *svm)
> +{
> +	kvm_emulate_wbinvd(&svm->vcpu);
> +	skip_emulated_instruction(&svm->vcpu);
> +	return 1;
> +}
> +
> +

(One line is optimal.)