]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
net: systemport: suppress warnings on failed Rx SKB allocations
authorDoug Berger <opendmb@gmail.com>
Thu, 23 Apr 2020 23:13:30 +0000 (16:13 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 24 Apr 2020 23:50:01 +0000 (16:50 -0700)
commit3554e54a46125030c534820c297ed7f6c3907e24
tree853f2832bbf93ac925133d23ac91b9cb6da6aa04
parentecaeceb8a8a145d93c7e136f170238229165348f
net: systemport: suppress warnings on failed Rx SKB allocations

The driver is designed to drop Rx packets and reclaim the buffers
when an allocation fails, and the network interface needs to safely
handle this packet loss. Therefore, an allocation failure of Rx
SKBs is relatively benign.

However, the output of the warning message occurs with a high
scheduling priority that can cause excessive jitter/latency for
other high priority processing.

This commit suppresses the warning messages to prevent scheduling
problems while retaining the failure count in the statistics of
the network interface.

Signed-off-by: Doug Berger <opendmb@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/broadcom/bcmsysport.c