diff options
| author | Jason Wang <jasowang@redhat.com> | 2016-04-25 22:14:33 -0400 |
|---|---|---|
| committer | Alistair Strachan <astrachan@google.com> | 2019-01-15 17:08:34 -0800 |
| commit | e6fdb474765f4e019df24f7b871a91c7a635f100 (patch) | |
| tree | 60c82e52cb2ff9ad630f541dfb49eb12b7aa5213 /kernel/sysctl_binary.c | |
| parent | 773bac0e1f140010b0b25cc85667cef921af173f (diff) | |
UPSTREAM: vhost: lockless enqueuing
We use spinlock to synchronize the work list now which may cause
unnecessary contentions. So this patch switch to use llist to remove
this contention. Pktgen tests shows about 5% improvement:
Before:
~1300000 pps
After:
~1370000 pps
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit 04b96e5528ca97199b429810fe963185a67dd40e)
Bug: 121166534
Test: Ran cuttlefish with android-4.4 + VSOCKETS, VMWARE_VMCI_VSOCKETS
Signed-off-by: Alistair Strachan <astrachan@google.com>
Change-Id: Icf032cf2010eaedd92dc5906d454274709b4a9b4
Diffstat (limited to 'kernel/sysctl_binary.c')
0 files changed, 0 insertions, 0 deletions