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authorMarcelo Tosatti <mtosatti@redhat.com>2010-10-22 18:18:17 +0200
committerAvi Kivity <avi@redhat.com>2011-01-12 10:23:39 +0100
commit7905d9a5ad7a83f1c1c00559839857ab90afbdfc (patch)
tree13cec1f9eebcc01928381105cb628e09e195ad0b /virt/kvm/kvm_main.c
parentKVM: MMU: remove kvm_mmu_set_base_ptes (diff)
downloadlinux-7905d9a5ad7a83f1c1c00559839857ab90afbdfc.tar.xz
linux-7905d9a5ad7a83f1c1c00559839857ab90afbdfc.zip
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')
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