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| author | Marcelo Tosatti <mtosatti@redhat.com> | 2010-10-22 20:18:17 +0400 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-01-12 12:23:39 +0300 |
| commit | 7905d9a5ad7a83f1c1c00559839857ab90afbdfc (patch) | |
| tree | 13cec1f9eebcc01928381105cb628e09e195ad0b /virt/kvm/kvm_main.c | |
| parent | 982c25658c066fbbeb42e44a6a8fcd59ae008837 (diff) | |
| download | linux-7905d9a5ad7a83f1c1c00559839857ab90afbdfc.tar.xz | |
KVM: MMU: flush TLBs on writable -> read-only spte overwrite
This can happen in the following scenario:
vcpu0 vcpu1
read fault
gup(.write=0)
gup(.write=1)
reuse swap cache, no COW
set writable spte
use writable spte
set read-only spte
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'virt/kvm/kvm_main.c')
0 files changed, 0 insertions, 0 deletions