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| author | Liu, Jinsong <jinsong.liu@intel.com> | 2011-03-11 17:18:01 +0000 |
|---|---|---|
| committer | Liu, Jinsong <jinsong.liu@intel.com> | 2011-03-11 17:18:01 +0000 |
| commit | 61799a138af63113b21594fe7e3a9de56f15815a (patch) | |
| tree | 78acf280e583c5661ab6f53511cdce4150b78b11 /tools/flask/libflask | |
| parent | 79eae2548ba9e6a250baf15b379fb9cb252d90f2 (diff) | |
| download | xen-61799a138af63113b21594fe7e3a9de56f15815a.tar.gz xen-61799a138af63113b21594fe7e3a9de56f15815a.tar.bz2 xen-61799a138af63113b21594fe7e3a9de56f15815a.zip | |
x86: Fix cache flush bug of cpu offline
Current xen cpu offline logic flush cache too early, which potentially
break cache coherency. wbinvd should be the last ops before cpu going
into dead, otherwise cache may be dirty, i.e, something like setting
an A bit on page tables. Pointed out by Arjan van de Ven.
Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com>
Diffstat (limited to 'tools/flask/libflask')
0 files changed, 0 insertions, 0 deletions