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Date: Tue, 02 Mar 2010 03:56:49 -0800 (PST) From: David Miller <davem@...emloft.net> To: sathyap@...verengines.com Cc: netdev@...r.kernel.org Subject: Re: [PATCH] be2net: fix tx completion polling From: Sathya Perla <sathyap@...verengines.com> Date: Tue, 2 Mar 2010 12:06:15 +0530 > On 26/02/10 04:19 -0800, David Miller wrote: >> From: Sathya Perla <sathyap@...verengines.com> >> Date: Thu, 25 Feb 2010 17:25:16 +0530 >> >> > In tx/mcc polling, napi_complete() is being incorrectly called >> > before reaping tx completions. This can cause tx compl processing >> > to be scheduled on another cpu concurrently which can result in a panic. >> > This if fixed by calling napi complete() after tx/mcc compl processing >> > but before re-enabling interrupts (via a cq notify). >> > >> > Pls apply to net-2.6. >> >> net-2.6 is closed, 2.6.33 has been released. >> >> > Signed-off-by: Sathya Perla <sathyap@...verengines.com> >> >> This patch does not apply to net-next-2.6 > > I've re-done the patch for net-next-2.6: Pls apply; thanks! > > In tx/mcc polling, napi_complete() is being incorrectly called > before reaping tx completions. This can cause tx compl processing > to be scheduled on another cpu concurrently which can result in a panic. > This if fixed by calling napi complete() after tx/mcc compl processing > but before re-enabling interrupts (via a cq notify). > > Signed-off-by: Sathya Perla <sathyap@...verengines.com> Applied thanks. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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