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authorMarcelo Tosatti <mtosatti@redhat.com>2008-09-23 13:18:32 -0300
committerAvi Kivity <avi@redhat.com>2008-10-15 14:25:18 +0200
commit38187c830cab84daecb41169948467f1f19317e3 (patch)
treee2566ec17957f604db89ae0f580aa94f80bad592 /scripts/kernel-doc
parenta378b4e64c0fef2d9e53214db167878b7673a7a3 (diff)
KVM: MMU: do not write-protect large mappings
There is not much point in write protecting large mappings. This can only happen when a page is shadowed during the window between is_largepage_backed and mmu_lock acquision. Zap the entry instead, so the next pagefault will find a shadowed page via is_largepage_backed and fallback to 4k translations. Simplifies out of sync shadow. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
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