netdev - Re: [Kgdb-bugreport] [PATCH] netpoll: trapping fix/cleanup

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Message-ID: <20070405032646.GG22371@smtp.west.cox.net>
Date:	Wed, 4 Apr 2007 20:26:46 -0700
From:	Tom Rini <trini@...nel.crashing.org>
To:	Jeff Garzik <jgarzik@...ox.com>
Cc:	Sergei Shtylyov <sshtylyov@...mvista.com>, netdev@...r.kernel.org,
	shemminger@...ux-foundation.org, mhuth@...sta.com,
	kgdb-bugreport@...ts.sourceforge.net
Subject: Re: [Kgdb-bugreport] [PATCH] netpoll: trapping fix/cleanup

On Tue, Apr 03, 2007 at 10:30:46PM -0400, Jeff Garzik wrote:
> Sergei Shtylyov wrote:
> > CONFIG_NETPOLL_TRAP causes the TX queue controls to be completely bypassed in
> > the netpoll's "trapped" mode which easily causes overflows in the drivers with
> > short TX queues (most notably, in 8139too with its 4-deep queue).
> > Make this option more sensible by only bypassing TX softirq wakeup and remove
> > CONFIG_NETPOLL_RX option completely since there is *no* code depending on it.
> > 
> > Signed-off-by: Sergei Shtylyov <sshtylyov@...mvista.com>
> 
> ACK but (a) DaveM not me should apply this, and (b) I would check with 
> netpoll people to see what that define is there for.

In terms of KGDB usage, I know Sergei has been trying to track down and
fix some issues (/make it more reliable) so if this does impact us I
know he'll be sending something along.  ACK.

-- 
Tom Rini
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