diff options
| author | Michael S. Tsirkin <[email protected]> | 2014-05-28 17:07:02 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <[email protected]> | 2014-06-09 16:21:06 +0300 |
| commit | 98f9ca0a3faa99b7388578d55eccecf272be4038 (patch) | |
| tree | 991e7bc48ed0cb9da73aefe8cf454a54fcf96435 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | 23cc5a991c7a9fb7e6d6550e65cee4f4173111c5 (diff) | |
vhost: replace rcu with mutex
All memory accesses are done under some VQ mutex.
So lock/unlock all VQs is a faster equivalent of synchronize_rcu()
for memory access changes.
Some guests cause a lot of these changes, so it's helpful
to make them faster.
Reported-by: "Gonglei (Arei)" <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions