| commit | 947da53830690cbd77d7f2b625d0df1f161ffd54 | |
| author | Avi Kivity <avi@qumranet.com> | |
| Tue, 18 Mar 2008 09:05:52 +0000 (18 11:05 +0200) | ||
| committer | Avi Kivity <avi@qumranet.com> | |
| Sun, 27 Apr 2008 09:00:33 +0000 (27 12:00 +0300) | ||
| tree | 32db5b7e97b5df34ada31ac9de8f3250b90dfd55 | treesnapshot (tar.gz zip) |
| parent | 97646202bc3f190dfcb48a3d506ea2445717d392 | commitdiff |
KVM: MMU: Set the accessed bit on non-speculative shadow ptes
If we populate a shadow pte due to a fault (and not speculatively due to a
pte write) then we can set the accessed bit on it, as we know it will be
set immediately on the next guest instruction. This saves a read-modify-write
operation.
Signed-off-by: Avi Kivity <avi@qumranet.com>
If we populate a shadow pte due to a fault (and not speculatively due to a
pte write) then we can set the accessed bit on it, as we know it will be
set immediately on the next guest instruction. This saves a read-modify-write
operation.
Signed-off-by: Avi Kivity <avi@qumranet.com>
| arch/x86/kvm/mmu.c | diffblobblamehistory | |
| arch/x86/kvm/paging_tmpl.h | diffblobblamehistory |