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 v3 1/2] kvm: x86: make kvm_emulate_* consistant
Date: Tue, 3 Mar 2015 17:51:42 +0100 [thread overview]
Message-ID: <20150303165142.GE25123@potion.brq.redhat.com> (raw)
In-Reply-To: <20150302194331.2121.28466.stgit@joelvmguard2.amd.com>
2015-03-02 13:43-0600, 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>
> ---
Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> @@ -4723,11 +4723,19 @@ int kvm_emulate_wbinvd(struct kvm_vcpu *vcpu)
> wbinvd();
> return X86EMUL_CONTINUE;
> }
> +
> +int kvm_emulate_wbinvd(struct kvm_vcpu *vcpu)
> +{
> + kvm_x86_ops->skip_emulated_instruction(vcpu);
> + return kvm_emulate_wbinvd_noskip(vcpu);
> +}
> EXPORT_SYMBOL_GPL(kvm_emulate_wbinvd);
>
> +
> +
(sneaky newlines)
> static void emulator_wbinvd(struct x86_emulate_ctxt *ctxt)
> {
> - kvm_emulate_wbinvd(emul_to_vcpu(ctxt));
> + kvm_emulate_wbinvd_noskip(emul_to_vcpu(ctxt));
> }
>
> int emulator_get_dr(struct x86_emulate_ctxt *ctxt, int dr, unsigned long *dest)
next prev parent reply other threads:[~2015-03-03 16:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-02 19:43 [PATCH v3 0/2] kvm: x86: kvm_emulate_* Joel Schopp
2015-03-02 19:43 ` [PATCH v3 1/2] kvm: x86: make kvm_emulate_* consistant Joel Schopp
2015-03-03 16:51 ` Radim Krčmář [this message]
2015-03-02 19:43 ` [PATCH v3 2/2] x86: svm: make wbinvd faster Joel Schopp
2015-03-03 16:52 ` Radim Krčmář
2015-03-10 23:58 ` [PATCH v3 0/2] kvm: x86: kvm_emulate_* Marcelo Tosatti
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