tree 61cec4f5d28d4a7ce092884c0cd1c0f117de132c
parent d8089baca4f6895ce9c7bdabd2fca48a23feee79
author Gleb Natapov <gleb@redhat.com> 1375690031 +0300
committer Paolo Bonzini <pbonzini@redhat.com> 1375883857 +0200

nEPT: Support shadow paging for guest paging without A/D bits

Some guest paging modes do not support A/D bits. Add support for such
modes in shadow page code. For such modes PT_GUEST_DIRTY_MASK,
PT_GUEST_ACCESSED_MASK, PT_GUEST_DIRTY_SHIFT and PT_GUEST_ACCESSED_SHIFT
should be set to zero.

Reviewed-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>