From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] cxgb4 : Disable recursive mailbox commands when enabling vi Date: Tue, 05 Aug 2014 16:49:33 -0700 (PDT) Message-ID: <20140805.164933.722857698851737276.davem@davemloft.net> References: <1407279923-9288-1-git-send-email-anish@chelsio.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, hariprasad@chelsio.com, leedom@chelsio.com To: anish@chelsio.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:60655 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751963AbaHEXte (ORCPT ); Tue, 5 Aug 2014 19:49:34 -0400 In-Reply-To: <1407279923-9288-1-git-send-email-anish@chelsio.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Anish Bhatt Date: Tue, 5 Aug 2014 16:05:23 -0700 > Enabling a Virtual Interface can result in an interrupt during the processing > of the VI Enable command and, in some paths, result in an attempt to issue > another command in the interrupt context, eventually crashing the system. Thus, > we disable interrupts during the course of the VI Enable command and ensure > enable doesn't sleep. > > Signed-off-by: Anish Bhatt > Signed-off-by: Casey Leedom Applied.