Paolo Bonzini ba6a354154 KVM: mmu: allow page tables to be in read-only slots ... Page tables in a read-only memory slot will currently cause a triple fault because the page walker uses gfn_to_hva and it fails on such a slot. OVMF uses such a page table; however, real hardware seems to be fine with that as long as the accessed/dirty bits are set. Save whether the slot is readonly, and later check it when updating the accessed and dirty bits. Reviewed-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Reviewed-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>		2013-09-17 12:52:31 +03:00
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kvm	KVM: mmu: allow page tables to be in read-only slots	2013-09-17 12:52:31 +03:00