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From: Ingo Molnar <mingo@elte.hu>
To: Olaf Kirch <olaf.kirch@oracle.com>
Cc: "Kok, Auke" <auke-jan.h.kok@intel.com>,
	Jarek Poplawski <jarkao2@o2.pl>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	linux-kernel@vger.kernel.org, davem@davemloft.net
Subject: Re: [patch] revert: [NET]: Fix races in net_rx_action vs netpoll
Date: Fri, 20 Jul 2007 11:45:47 +0200	[thread overview]
Message-ID: <20070720094547.GA664@elte.hu> (raw)
In-Reply-To: <200707192202.51580.olaf.kirch@oracle.com>


* Olaf Kirch <olaf.kirch@oracle.com> wrote:

> On Thursday 19 July 2007 21:56, Ingo Molnar wrote:
> > nope - with this patch applied the box still has no network, symptoms 
> > are similar. (should i apply the WARN_ON() patch too?)
> 
> Yes, that would be nice. If that doesn't help, you can also throw in
> the one below.

> -	np->dev = ndev;
>  	if (!ndev->npinfo) {
>  		npinfo = kmalloc(sizeof(*npinfo), GFP_KERNEL);
>  		if (!npinfo) {
> @@ -722,6 +721,8 @@ int netpoll_setup(struct netpoll *np)
>  		}
>  	}
>  
> +	np->dev = ndev;

no change in behavior from this patch. If i add the WARN_ON() it 
triggers once and it makes the network work as well (probably due to the 
side-effect of the packets generated by the WARN_ON() printks).

	Ingo

  reply	other threads:[~2007-07-20  9:46 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-07-16  9:12 [patch] revert: [NET]: Fix races in net_rx_action vs netpoll Ingo Molnar
2007-07-16 10:35 ` Olaf Kirch
2007-07-16 11:26 ` David Miller
2007-07-16 12:18   ` Olaf Kirch
2007-07-16 13:29     ` Ingo Molnar
2007-07-16 21:09   ` Ingo Molnar
2007-07-16 22:06     ` David Miller
2007-07-16 21:40   ` Linus Torvalds
2007-07-16 21:51     ` Ingo Molnar
2007-07-16 22:09       ` David Miller
2007-07-16 22:37         ` Ingo Molnar
2007-07-16 22:57           ` David Miller
2007-07-17 18:09             ` Ingo Molnar
2007-07-16 22:08     ` David Miller
2007-07-16 22:29       ` Linus Torvalds
2007-07-16 22:52         ` David Miller
2007-07-16 23:17         ` Matt Mackall
2007-07-16 23:34           ` Linus Torvalds
2007-07-17  7:37       ` Olaf Kirch
2007-07-17  8:16     ` Olaf Kirch
2007-07-17  5:46 ` Jarek Poplawski
2007-07-17  6:14   ` Jarek Poplawski
2007-07-17  7:55     ` Olaf Kirch
2007-07-17  8:28       ` Olaf Kirch
2007-07-17  8:57         ` Ingo Molnar
2007-07-17  9:29           ` Jarek Poplawski
2007-07-17 14:07           ` Olaf Kirch
2007-07-17 16:57             ` Ingo Molnar
2007-07-17 18:06               ` Olaf Kirch
2007-07-17 18:18                 ` Ingo Molnar
2007-07-17 18:34                   ` Olaf Kirch
2007-07-17 18:56                     ` Ingo Molnar
2007-07-18 12:04                       ` Olaf Kirch
2007-07-18 12:41                         ` Ingo Molnar
2007-07-18 12:48                         ` Ingo Molnar
2007-07-18 14:41                           ` Olaf Kirch
2007-07-18 16:43                             ` Ingo Molnar
2007-07-19  9:09                               ` Ingo Molnar
2007-07-19  9:44                                 ` Olaf Kirch
2007-07-19 10:01                                   ` Ingo Molnar
2007-07-19 10:37                                     ` Olaf Kirch
2007-07-19 10:47                                       ` Ingo Molnar
2007-07-19 10:58                                         ` Ingo Molnar
2007-07-19 12:52                                           ` Olaf Kirch
2007-07-19 12:54                                             ` Olaf Kirch
2007-07-19 15:42                                             ` Kok, Auke
2007-07-19 16:07                                               ` Ingo Molnar
2007-07-19 19:13                                                 ` Olaf Kirch
2007-07-19 19:22                                                   ` Ingo Molnar
2007-07-19 19:35                                                     ` Olaf Kirch
2007-07-19 19:56                                                       ` Ingo Molnar
2007-07-19 20:02                                                         ` Olaf Kirch
2007-07-20  9:45                                                           ` Ingo Molnar [this message]
2007-07-19 15:07                                           ` Ingo Molnar
2007-07-19 15:27                                             ` Olaf Kirch
2007-07-19 15:32                                             ` Ingo Molnar
2007-07-19 15:52                                               ` Ingo Molnar
2007-07-19 16:05                                                 ` Ingo Molnar
2007-07-19 16:13                                                   ` Ingo Molnar
2007-07-19 17:36                                                   ` Olaf Kirch
2007-07-19 17:41                                                     ` Ingo Molnar
2007-07-19 17:51                                                     ` Olaf Kirch
2007-07-19 10:17                                 ` Ingo Molnar
2007-07-18 11:48                     ` Jarek Poplawski
2007-07-19  5:58                       ` Jarek Poplawski
2007-07-17 17:49           ` Linus Torvalds
2007-07-17  9:12         ` Jarek Poplawski

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