From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] bnx2x: Disable local BHes to prevent a dead-lock situation Date: Wed, 24 Nov 2010 11:09:06 -0800 (PST) Message-ID: <20101124.110906.39159145.davem@davemloft.net> References: <1290606310.25676.7.camel@lb-tlvb-vladz> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: eilong@broadcom.com, netdev@vger.kernel.org, eric.dumazet@gmail.com To: vladz@broadcom.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:40795 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755548Ab0KXTIk (ORCPT ); Wed, 24 Nov 2010 14:08:40 -0500 In-Reply-To: <1290606310.25676.7.camel@lb-tlvb-vladz> Sender: netdev-owner@vger.kernel.org List-ID: From: "Vladislav Zolotarov" Date: Wed, 24 Nov 2010 15:45:10 +0200 > From: Eric Dumazet > > According to Eric's suggestion: > Disable local BHes to prevent a dead-lock situation between sch_direct_xmit() > (Soft_IRQ context) and bnx2x_tx_int (called by bnx2x_run_loopback() - syscall > context), as both are taking a netif_tx_lock(). > > Signed-off-by: Eric Dumazet > Signed-off-by: Vladislav Zolotarov > Signed-off-by: Eilon Greenstein Applied.