On 3/25/21 11:31 AM, Dmitry Vyukov wrote:
> netdev_unregister_timeout_secs=0 can lead to printing the
> "waiting for dev to become free" message every jiffy.
> This is too frequent and unnecessary.
> Set the min value to 1 second.
>
> Signed-off-by: Dmitry Vyukov <dvyu...@google.com>
> Suggested-by: Eric Dumazet <eduma...@google.com>
> Fixes: 5aa3afe107d9 ("net: make unregister netdev warning timeout
> configurable")
> Cc: net...@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> ---
Please respin your patch, and fix the merge issue [1]
For networking patches it is customary to tell if its for net or net-next tree.
[1]
diff --git a/net/core/dev.c b/net/core/dev.c
index
4bb6dcdbed8b856c03dc4af8b7fafe08984e803f..7bb00b8b86c6494c033cf57460f96ff3adebe081
100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -10431,7 +10431,7 @@ static void netdev_wait_allrefs(struct net_device *dev)
refcnt = netdev_refcnt_read(dev);
- if (refcnt &&
+ if (refcnt != 1 &&
time_after(jiffies, warning_time +
netdev_unregister_timeout_secs * HZ)) {
pr_emerg("unregister_netdevice: waiting for %s to
become free. Usage count = %d\n",
