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authorShaohua Li <shaohua.li@intel.com>2007-06-20 17:13:26 +0800
committerAvi Kivity <avi@qumranet.com>2007-07-16 12:05:48 +0300
commit88a97f0b2fe1cd08d06390dc2669b709ea96e11a (patch)
treef6b3db226a0253ae3e2689b09c5f084bba24c967 /drivers/kvm
parent75880a01124c6aa5d428bdc14163039a87618be1 (diff)
downloadop-kernel-dev-88a97f0b2fe1cd08d06390dc2669b709ea96e11a.zip
op-kernel-dev-88a97f0b2fe1cd08d06390dc2669b709ea96e11a.tar.gz
KVM: MMU: Fix Wrong tlb flush order
Need to flush the tlb after updating a pte, not before. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm')
-rw-r--r--drivers/kvm/mmu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c
index ad50cfd..49ffbd3 100644
--- a/drivers/kvm/mmu.c
+++ b/drivers/kvm/mmu.c
@@ -441,8 +441,8 @@ static void rmap_write_protect(struct kvm_vcpu *vcpu, u64 gfn)
BUG_ON(!(*spte & PT_WRITABLE_MASK));
rmap_printk("rmap_write_protect: spte %p %llx\n", spte, *spte);
rmap_remove(vcpu, spte);
- kvm_flush_remote_tlbs(vcpu->kvm);
set_shadow_pte(spte, *spte & ~PT_WRITABLE_MASK);
+ kvm_flush_remote_tlbs(vcpu->kvm);
}
}
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