linux-kernel - Re: [PATCH 3/5] KVM: x86: remove the dead code of KVM_EXIT

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Date:	Mon, 28 Nov 2011 14:56:37 +0200
From:	Gleb Natapov <gleb@...hat.com>
To:	Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
Cc:	Avi Kivity <avi@...hat.com>, Marcelo Tosatti <mtosatti@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>, KVM <kvm@...r.kernel.org>
Subject: Re: [PATCH 3/5] KVM: x86: remove the dead code of KVM_EXIT_HYPERCALL

On Mon, Nov 28, 2011 at 08:41:38PM +0800, Xiao Guangrong wrote:
> KVM_EXIT_HYPERCALL is not used anymore, so remove the code
> 
Why not remove the define as well?

> Signed-off-by: Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
> ---
>  arch/x86/kvm/x86.c |    4 ----
>  1 files changed, 0 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index d54746c..7b6fd72 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -5386,10 +5386,6 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
>  	if (r <= 0)
>  		goto out;
> 
> -	if (kvm_run->exit_reason == KVM_EXIT_HYPERCALL)
> -		kvm_register_write(vcpu, VCPU_REGS_RAX,
> -				     kvm_run->hypercall.ret);
> -
>  	r = __vcpu_run(vcpu);
> 
>  out:
> -- 
> 1.7.7.3
> 
> --
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--
			Gleb.
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