From: Caesar Wang
Date: Fri, 6 May 2016 20:19:16 +0800
> Doing tx_clean() inside poll() may scramble the tx ring buffer if
> tx() is running. This will cause tx to stop working, which can be
> reproduced by simultaneously downloading two large files at high speed.
>
> Moving tx_clean() into tx(
From: Shuyu Wei
Doing tx_clean() inside poll() may scramble the tx ring buffer if
tx() is running. This will cause tx to stop working, which can be
reproduced by simultaneously downloading two large files at high speed.
Moving tx_clean() into tx() will prevent this. And tx interrupt is no
longer
