leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

KVM: MMU: Fix Wrong tlb flush order

Browse Source 
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>
This commit is contained in:
Shaohua Li 2007-06-20 17:13:26 +08:00 committed by Avi Kivity
parent 75880a0112
commit 88a97f0b2f
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/kvm/mmu.c
View File

@ -441,8 +441,8 @@ static void rmap_write_protect(struct kvm_vcpu *vcpu, u64 gfn)
BUG_ON(!(*spte & PT_WRITABLE_MASK)); BUG_ON(!(*spte & PT_WRITABLE_MASK));
rmap_printk("rmap_write_protect: spte %p %llx\n", spte, *spte); rmap_printk("rmap_write_protect: spte %p %llx\n", spte, *spte);
rmap_remove(vcpu, spte); rmap_remove(vcpu, spte);
kvm_flush_remote_tlbs(vcpu->kvm);
set_shadow_pte(spte, *spte & ~PT_WRITABLE_MASK); set_shadow_pte(spte, *spte & ~PT_WRITABLE_MASK);
kvm_flush_remote_tlbs(vcpu->kvm);
} }
} }