diff options
| author | Li RongQing <lirongqing@baidu.com> | 2021-10-09 17:32:43 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-10-10 11:31:09 +0100 |
| commit | 6213f07cb542c9651ba614e784bf58ed41354936 (patch) | |
| tree | 687df6e5bbb9336fb067f5392bff0cb5c40e5bb6 /drivers/net/ethernet/amd/xgbe/xgbe-drv.c | |
| parent | c0288ae8e6bd402785360de5bbc94ded770af000 (diff) | |
virtio_net: skip RCU read lock by checking xdp_enabled of vi
networking benchmark shows that __rcu_read_lock and
__rcu_read_unlock takes some cpu cycles, and we can avoid
calling them partially in virtio rx path by check xdp_enabled
of vi, and xdp is disabled most of time
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe-drv.c')
0 files changed, 0 insertions, 0 deletions