From: Avi Kivity <avi@redhat.com>
To: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
KVM list <kvm@vger.kernel.org>
Subject: Re: [PATCH v2 4/10] KVM: MMU: fix forgot to flush all vcpu's tlb
Date: Mon, 28 Jun 2010 12:55:38 +0300 [thread overview]
Message-ID: <4C28719A.90406@redhat.com> (raw)
In-Reply-To: <4C249BB8.1020308@cn.fujitsu.com>
On 06/25/2010 03:06 PM, Xiao Guangrong wrote:
> After remove a rmap, we should flush all vcpu's tlb
>
> Signed-off-by: Xiao Guangrong<xiaoguangrong@cn.fujitsu.com>
> ---
> arch/x86/kvm/mmu.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
> index 0412ba4..f151540 100644
> --- a/arch/x86/kvm/mmu.c
> +++ b/arch/x86/kvm/mmu.c
> @@ -1933,6 +1933,8 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
> pgprintk("hfn old %lx new %lx\n",
> spte_to_pfn(*sptep), pfn);
> rmap_remove(vcpu->kvm, sptep);
> + __set_spte(sptep, shadow_trap_nonpresent_pte);
> + kvm_flush_remote_tlbs(vcpu->kvm);
> } else
> was_rmapped = 1;
> }
>
Good catch.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-06-28 9:55 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4C2498EC.2010006@cn.fujitsu.com>
2010-06-25 12:05 ` [PATCH v2 2/10] KVM: MMU: fix conflict access permissions in direct sp Xiao Guangrong
2010-06-28 9:43 ` Avi Kivity
2010-06-28 9:49 ` Xiao Guangrong
2010-06-25 12:06 ` [PATCH v2 3/10] KVM: MMU: fix direct sp's access corruptted Xiao Guangrong
2010-06-28 9:50 ` Avi Kivity
2010-06-28 10:02 ` Xiao Guangrong
2010-06-28 11:13 ` Avi Kivity
2010-06-29 1:17 ` Xiao Guangrong
2010-06-29 7:06 ` Avi Kivity
2010-06-29 7:35 ` Xiao Guangrong
2010-06-29 8:49 ` Avi Kivity
2010-06-29 9:04 ` Xiao Guangrong
2010-06-29 9:13 ` Avi Kivity
2010-06-29 9:13 ` Xiao Guangrong
2010-06-29 7:38 ` Avi Kivity
2010-06-29 7:45 ` Xiao Guangrong
2010-06-29 8:51 ` Avi Kivity
2010-06-29 9:08 ` Xiao Guangrong
2010-06-25 12:06 ` [PATCH v2 4/10] KVM: MMU: fix forgot to flush all vcpu's tlb Xiao Guangrong
2010-06-28 9:55 ` Avi Kivity [this message]
2010-06-25 12:06 ` [PATCH v2 5/10] KVM: MMU: introduce gfn_to_pfn_atomic() function Xiao Guangrong
2010-06-25 12:06 ` [PATCH v2 6/10] KVM: MMU: introduce gfn_to_hva_many() function Xiao Guangrong
2010-06-25 12:06 ` [PATCH v2 7/10] KVM: MMU: introduce mmu_topup_memory_cache_atomic() Xiao Guangrong
2010-06-28 11:17 ` Avi Kivity
2010-06-29 1:18 ` Xiao Guangrong
2010-06-25 12:07 ` [PATCH v2 8/10] KVM: MMU: prefetch ptes when intercepted guest #PF Xiao Guangrong
2010-06-28 13:04 ` Marcelo Tosatti
2010-06-29 8:07 ` Xiao Guangrong
2010-06-29 11:44 ` Marcelo Tosatti
2010-06-30 0:58 ` Xiao Guangrong
2010-06-25 12:07 ` [PATCH v2 9/10] KVM: MMU: combine guest pte read between walk and pte prefetch Xiao Guangrong
2010-06-25 12:07 ` [PATCH v2 10/10] KVM: MMU: trace " Xiao Guangrong
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