Re: [PATCH] net: revert default NAPI poll timeout to 2 jiffies

From: David Miller
Date: Tue Apr 07 2020 - 21:31:45 EST


From: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx>
Date: Mon, 06 Apr 2020 14:39:32 +0300

> For HZ < 1000 timeout 2000us rounds up to 1 jiffy but expires randomly
> because next timer interrupt could come shortly after starting softirq.
>
> For commonly used CONFIG_HZ=1000 nothing changes.
>
> Fixes: 7acf8a1e8a28 ("Replace 2 jiffies with sysctl netdev_budget_usecs to enable softirq tuning")
> Reported-by: Dmitry Yakunin <zeil@xxxxxxxxxxxxxx>
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx>

Applied, thank you.