From: David Miller <davem@davemloft.net>
To: srk@ti.com
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH] smsc911x: Fix Console Hang when bringing the interface down.
Date: Sun, 15 Nov 2009 22:18:06 -0800 (PST) [thread overview]
Message-ID: <20091115.221806.262290176.davem@davemloft.net> (raw)
In-Reply-To: <1258028078-10933-1-git-send-email-srk@ti.com>
From: Sriramakrishnan <srk@ti.com>
Date: Thu, 12 Nov 2009 17:44:38 +0530
> In the NAPI poll function, check for netif_running() is unnecassary.
> In addition to associated runtime overhead, it also results in
> continuous softirq loop when the interface is brought down under heavy
> traffic(tested with Traffic Generator).Once the interface is disabled,
> the poll function always returns zero(with the check for netif_running)
> and napi_complete() would never get called resulting in softirq loop.
>
> Signed-off-by: Sriramakrishnan <srk@ti.com>
Applied to net-2.6
prev parent reply other threads:[~2009-11-16 6:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-12 12:14 [PATCH] smsc911x: Fix Console Hang when bringing the interface down Sriramakrishnan
2009-11-16 6:18 ` David Miller [this message]
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