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From: Matt Mackall <mpm@selenic.com>
To: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: davem@davemloft.net, netdev@vger.kernel.org,
	shemminger@linux-foundation.org
Subject: Re: [PATCH repost] netpoll: trapping fix/cleanup
Date: Sat, 28 Apr 2007 08:00:55 -0500	[thread overview]
Message-ID: <20070428130055.GW11115@waste.org> (raw)
In-Reply-To: <46334477.3070109@ru.mvista.com>

On Sat, Apr 28, 2007 at 04:56:23PM +0400, Sergei Shtylyov wrote:
> Hello.
> 
> Matt Mackall 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.
> 
> >You've got two unrelated patches here, so that's an automatic NAK.
> 
>   Come on, killing a long ago no-op option doesn't worth the sepearte 
>   patch. :-)
> 
> >I suppose we can kill the config option.
> 
>   I've even posted the refs to the commits introducing and killing the 
>   #ifdef's.
> 
> >What did you test the NETPOLL_TRAP test with?
> 
>   KGDBoE (and maybe also netconsole -- don't remember already).

Ok, KGDBoE is a pretty good test here. Netconsole isn't.

Please resend as two separate patches and add:

Acked-by: Matt Mackall <mpm@selenic.com>

-- 
Mathematics is the supreme nostalgia of our time.

      reply	other threads:[~2007-04-28 13:13 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-27 19:44 [PATCH repost] netpoll: trapping fix/cleanup Sergei Shtylyov
2007-04-27 20:27 ` Matt Mackall
2007-04-28 12:56   ` Sergei Shtylyov
2007-04-28 13:00     ` Matt Mackall [this message]

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