| commit | f9208427f72e6cb52c71767af3bf8c14c43c27ac | [log] [tgz] |
|---|---|---|
| author | Bharat Bhushan <r65777@freescale.com> | Thu Oct 13 15:17:08 2011 +0530 |
| committer | Avi Kivity <avi@redhat.com> | Mon Mar 05 14:52:24 2012 +0200 |
| tree | 051bd94371fa20d83848237a9a89ff6670a4b466 | |
| parent | 95325e6b190bb4ec3383aa1241d10675057bff45 [diff] |
PPC: Fix race in mtmsr paravirt implementation The current implementation of mtmsr and mtmsrd are racy in that it does: * check (int_pending == 0) ---> host sets int_pending = 1 <--- * write shared page * done while instead we should check for int_pending after the shared page is written. Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com>