From: Avi Kivity <avi@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>, kvm@vger.kernel.org
Subject: Re: [PATCH 1/4] KVM: Fix x86_decode_insn() return code check
Date: Thu, 13 Jan 2011 15:54:43 +0200 [thread overview]
Message-ID: <4D2F0423.4050708@redhat.com> (raw)
In-Reply-To: <1294146884-6253-2-git-send-email-avi@redhat.com>
On 01/04/2011 03:14 PM, Avi Kivity wrote:
> x86_decode_insn() doesn't return X86EMUL_* values, it returns
> EMULATION_* codes. Adjust the check.
>
> Signed-off-by: Avi Kivity<avi@redhat.com>
> ---
> arch/x86/kvm/x86.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index fa708c9..b20499d 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -4391,7 +4391,7 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu,
> vcpu->arch.emulate_ctxt.perm_ok = false;
>
> r = x86_decode_insn(&vcpu->arch.emulate_ctxt, insn, insn_len);
> - if (r == X86EMUL_PROPAGATE_FAULT)
> + if (r != EMULATION_OK)
> goto done;
>
> trace_kvm_emulate_insn_start(vcpu);
Strangely, this patch causes a failure in Windows XP. Dropping until
submitter investigates and fixes.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2011-01-13 13:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-04 13:14 [PATCH 0/4] Vendor specific instructions and the emulator Avi Kivity
2011-01-04 13:14 ` [PATCH 1/4] KVM: Fix x86_decode_insn() return code check Avi Kivity
2011-01-13 13:54 ` Avi Kivity [this message]
2011-01-04 13:14 ` [PATCH 2/4] KVM: Simplify exit path on decode failure Avi Kivity
2011-01-10 17:17 ` Jan Kiszka
2011-01-11 9:40 ` Avi Kivity
2011-01-04 13:14 ` [PATCH 3/4] KVM: x86 emulator: vendor specific instructions Avi Kivity
2011-01-04 13:14 ` [PATCH 4/4] KVM: Drop ad-hoc vendor specific instruction restriction Avi Kivity
2011-01-07 9:49 ` [PATCH 0/4] Vendor specific instructions and the emulator Marcelo Tosatti
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