Re: [PATCH 5.10 014/167] net: Introduce preferred busy-polling

From: Greg Kroah-Hartman
Date: Wed Jul 28 2021 - 12:08:31 EST


On Wed, Jul 28, 2021 at 09:48:28AM +0200, Pavel Machek wrote:
> Hi!
>
> > From: Björn Töpel <bjorn.topel@xxxxxxxxx>
> >
> > [ Upstream commit 7fd3253a7de6a317a0683f83739479fb880bffc8 ]
> >
> > The existing busy-polling mode, enabled by the SO_BUSY_POLL socket
> > option or system-wide using the /proc/sys/net/core/busy_read knob, is
> > an opportunistic. That means that if the NAPI context is not
>
> Do we need this in -stable? It is rather long at 400 lines, and
> introduces new API feature, does not fix a bug.

It was needed for a patch that was dropped, so I dropped this too,
thanks.

greg k-h