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| author | zhangxiangqian <zhangxiangqian@kylinos.cn> | 2022-10-13 15:41:12 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-10-14 08:28:19 +0100 |
| commit | 3d6642eac74d9442fde232181aa52d26d47991df (patch) | |
| tree | 27ce2628f8d8acc23cf3236643cd2d62bede7492 /drivers/net | |
| parent | 0d87bbd39d7fd1135ab9eca672d760470f6508e8 (diff) | |
| download | linux-3d6642eac74d9442fde232181aa52d26d47991df.tar.gz | |
net: macvlan: change schedule system_wq to system_unbound_wq
For FT2000+/64 devices, when four virtual machines share the same physical network interface, DROP will occur due to the single core CPU performance problem. ip_check_defrag and macvlan_process_broadcast is on the same CPU. When the MACVLAN PORT increases, the CPU usage reaches more than 90%. bc_queue > bc_queue_len_used (default 1000), causing DROP. Signed-off-by: zhangxiangqian <zhangxiangqian@kylinos.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/macvlan.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 8f8f73099de8..c5cfe8555199 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -361,7 +361,7 @@ static void macvlan_broadcast_enqueue(struct macvlan_port *port, } spin_unlock(&port->bc_queue.lock); - schedule_work(&port->bc_work); + queue_work(system_unbound_wq, &port->bc_work); if (err) goto free_nskb; |