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authorMarcelo Tosatti <mtosatti@redhat.com>2008-02-20 14:47:24 -0500
committerAvi Kivity <avi@qumranet.com>2008-04-27 11:53:25 +0300
commit2e53d63acba75795aa226febd140f67c58c6a353 (patch)
treebe4ad4e5b28c737053af78a950d270a657e9f628 /include/asm-m32r/mc146818rtc.h
parent847f0ad8cbfa70c1af6948025836dfbd9ed6da1e (diff)
KVM: MMU: ignore zapped root pagetables
Mark zapped root pagetables as invalid and ignore such pages during lookup. This is a problem with the cr3-target feature, where a zapped root table fools the faulting code into creating a read-only mapping. The result is a lockup if the instruction can't be emulated. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Cc: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'include/asm-m32r/mc146818rtc.h')
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