linux-kernel - Re: [PATCH 1/2] KVM MMU: fix for forgot mark parent->unsync

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Date:	Wed, 05 May 2010 15:30:17 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Xiao Guangrong <xiaoguangrong@...fujitsu.com>
CC:	Marcelo Tosatti <mtosatti@...hat.com>,
	KVM list <kvm@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] KVM MMU: fix for forgot mark parent->unsync_children
 bit

On 05/05/2010 03:19 PM, Xiao Guangrong wrote:
> When mapping a new parent to unsync shadow page, we should mark
> parent's unsync_children bit
>
> Reported-by: Marcelo Tosatti<mtosatti@...hat.com>
> Signed-off-by: Xiao Guangrong<xiaoguangrong@...fujitsu.com>
> ---
>   arch/x86/kvm/mmu.c |    4 +++-
>   1 files changed, 3 insertions(+), 1 deletions(-)
>
> diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
> index 97f2ea0..bf35a2f 100644
> --- a/arch/x86/kvm/mmu.c
> +++ b/arch/x86/kvm/mmu.c
> @@ -1374,7 +1374,9 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
>   			if (sp->unsync_children) {
>   				set_bit(KVM_REQ_MMU_SYNC,&vcpu->requests);
>   				kvm_mmu_mark_parents_unsync(sp);
> -			}
> +			} else if (sp->unsync)
> +				kvm_mmu_mark_parents_unsync(sp);
> +
>   			trace_kvm_mmu_get_page(sp, false);
>   			return sp;
>   		}
>    


Which patch does this fix?  If it wasn't merge yet, please repost with 
the fix included.

-- 
error compiling committee.c: too many arguments to function

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