From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
To: Avi Kivity <avi@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
KVM list <kvm@vger.kernel.org>
Subject: [PATCH v3 4/11] KVM: MMU: fix forgot to flush all vcpu's tlb
Date: Wed, 30 Jun 2010 16:04:06 +0800 [thread overview]
Message-ID: <4C2AFA76.8030702@cn.fujitsu.com> (raw)
In-Reply-To: <4C2AF9FA.9020601@cn.fujitsu.com>
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 24290f8..a0c5c31 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1941,6 +1941,8 @@ 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;
}
--
1.6.1.2
next prev parent reply other threads:[~2010-06-30 8:07 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-30 8:02 [PATCH v3 1/11] KVM: MMU: fix writable sync sp mapping Xiao Guangrong
2010-06-30 8:02 ` [PATCH v3 2/11] KVM: MMU: fix conflict access permissions in direct sp Xiao Guangrong
2010-06-30 8:03 ` [PATCH v3 3/11] KVM: MMU: fix direct sp's access corruptted Xiao Guangrong
2010-06-30 19:39 ` Marcelo Tosatti
2010-07-01 0:50 ` Xiao Guangrong
2010-07-01 12:03 ` Marcelo Tosatti
2010-06-30 8:04 ` Xiao Guangrong [this message]
2010-06-30 8:05 ` [PATCH v3 5/11] KVM: MMU: cleanup FNAME(fetch)() functions Xiao Guangrong
2010-07-01 12:05 ` Marcelo Tosatti
2010-06-30 8:05 ` [PATCH v3 6/11] KVM: MMU: introduce gfn_to_pfn_atomic() function Xiao Guangrong
2010-06-30 8:06 ` [PATCH v3 7/11] KVM: MMU: introduce gfn_to_hva_many() function Xiao Guangrong
2010-06-30 8:07 ` [PATCH v3 8/11] KVM: MMU: introduce pte_prefetch_topup_memory_cache() Xiao Guangrong
2010-06-30 8:08 ` [PATCH v3 9/11] KVM: MMU: prefetch ptes when intercepted guest #PF Xiao Guangrong
2010-06-30 20:43 ` Marcelo Tosatti
2010-07-01 1:11 ` Xiao Guangrong
2010-07-01 12:07 ` Marcelo Tosatti
2010-07-01 12:11 ` Avi Kivity
2010-07-01 12:13 ` Xiao Guangrong
2010-07-01 12:26 ` Marcelo Tosatti
2010-06-30 8:08 ` [PATCH 10/11] KVM: MMU: combine guest pte read between walk and pte prefetch Xiao Guangrong
2010-06-30 8:09 ` [PATCH v3 11/11] KVM: MMU: trace " Xiao Guangrong
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