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| author | Marcelo Tosatti <mtosatti@redhat.com> | 2010-05-28 09:44:59 -0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-06-09 18:48:36 +0300 |
| commit | 3be2264be3c00865116f997dc53ebcc90fe7fc4b (patch) | |
| tree | f048924efa8c802db5b3f7a60eb80142bddbe303 /mm | |
| parent | 67ec66077799f2fef84b21a643912b179c422281 (diff) | |
| download | linux-3be2264be3c00865116f997dc53ebcc90fe7fc4b.tar.gz linux-3be2264be3c00865116f997dc53ebcc90fe7fc4b.tar.bz2 linux-3be2264be3c00865116f997dc53ebcc90fe7fc4b.zip | |
KVM: MMU: invalidate and flush on spte small->large page size change
Always invalidate spte and flush TLBs when changing page size, to make
sure different sized translations for the same address are never cached
in a CPU's TLB.
Currently the only case where this occurs is when a non-leaf spte pointer is
overwritten by a leaf, large spte entry. This can happen after dirty
logging is disabled on a memslot, for example.
Noticed by Andrea.
KVM-Stable-Tag
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions