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KVM: MMU: flush TLBs on writable -> read-only spte overwrite
authorMarcelo Tosatti <mtosatti@redhat.com>
Fri, 22 Oct 2010 16:18:17 +0000 (14:18 -0200)
committerAvi Kivity <avi@redhat.com>
Wed, 12 Jan 2011 09:23:39 +0000 (11:23 +0200)
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>

No differences found
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