diff options
| author | Mike Belopuhov <mikeb@cvs.openbsd.org> | 2016-08-03 14:55:59 +0000 |
|---|---|---|
| committer | Mike Belopuhov <mikeb@cvs.openbsd.org> | 2016-08-03 14:55:59 +0000 |
| commit | 0b31645cb70567309e5f7e97786d8813e1e1b35e (patch) | |
| tree | 400da28ed4879add2bebc15a83f3a3a263c2d67a /sys/dev/atapiscsi | |
| parent | f703d9538196e23d33b4ea37e5d192f0f62e335e (diff) | |
Use an atomic operation to clear pending event bits
Pending event bits are located in a shared memory and are potentially
accessed by multiple CPUs running dom0 and the guest VM. It appears
that a failure to synchronize changes to this shared memory leads to
race conditions resulting in the guest missing out on notifications.
Diffstat (limited to 'sys/dev/atapiscsi')
0 files changed, 0 insertions, 0 deletions