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From: "Radim Krčmář" <rkrcmar@redhat.com>
To: Joel Schopp <joel.schopp@amd.com>
Cc: Gleb Natapov <gleb@kernel.org>,
	Paolo Bonzini <pbonzini@redhat.com>,
	kvm@vger.kernel.org, Joerg Roedel <joro@8bytes.org>,
	Borislav Petkov <bp@alien8.de>,
	linux-kernel@vger.kernel.org, David Kaplan <david.kaplan@amd.com>
Subject: Re: [PATCH v2 1/2] kvm: x86: make kvm_emulate_* consistant
Date: Mon, 2 Mar 2015 20:04:30 +0100	[thread overview]
Message-ID: <20150302190430.GC25123@potion.brq.redhat.com> (raw)
In-Reply-To: <20150302180439.25137.12334.stgit@joelvmguard2.amd.com>

2015-03-02 12:04-0600, Joel Schopp:
> Currently kvm_emulate() skips the instruction but kvm_emulate_* sometimes
> don't.  The end reult is the caller ends up doing the skip themselves. 
> Let's make them consistant.
> 
> Signed-off-by: Joel Schopp <joel.schopp@amd.com>
> ---
> diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
> @@ -4995,7 +4995,7 @@ static int handle_rmode_exception(struct kvm_vcpu *vcpu,
>  		if (emulate_instruction(vcpu, 0) == EMULATE_DONE) {
>  			if (vcpu->arch.halt_request) {
>  				vcpu->arch.halt_request = 0;
> -				return kvm_emulate_halt(vcpu);
> +				return kvm_emulate_halt_noskip(vcpu);

noskip is used without being declared ... it shouldn't compile.

*_noskip makes the usual case harder to undertand: we just want to halt
the vcpu, so name it more directly ... like kvm_vcpu_halt()?

  reply	other threads:[~2015-03-02 19:04 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-02 18:04 [PATCH v2 0/2] Series short description Joel Schopp
2015-03-02 18:04 ` [PATCH v2 1/2] kvm: x86: make kvm_emulate_* consistant Joel Schopp
2015-03-02 19:04   ` Radim Krčmář [this message]
2015-03-02 19:20     ` Joel Schopp
2015-03-02 18:04 ` [PATCH v2 2/2] x86: svm: make wbinvd faster Joel Schopp
2015-03-02 19:05   ` Radim Krčmář

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