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author | Bandan Das <bsd@redhat.com> | 2016-07-13 00:18:49 +0200 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-07-14 09:03:14 +0200 |
commit | ffb128c89b77b44da18ccf51844a8e750e2c427a (patch) | |
tree | 2343268f9b507a99abf34bf20d99b1158488b67e /arch/x86/kvm/paging_tmpl.h | |
parent | kvm: mmu: remove is_present_gpte() (diff) | |
download | linux-ffb128c89b77b44da18ccf51844a8e750e2c427a.tar.xz linux-ffb128c89b77b44da18ccf51844a8e750e2c427a.zip |
kvm: mmu: don't set the present bit unconditionally
To support execute only mappings on behalf of L1
hypervisors, we need to teach set_spte() to honor all three of
L1's XWR bits. As a start, add a new variable "shadow_present_mask"
that will be set for non-EPT shadow paging and clear for EPT.
Signed-off-by: Bandan Das <bsd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/paging_tmpl.h')
0 files changed, 0 insertions, 0 deletions