From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934368AbdADCW6 (ORCPT ); Tue, 3 Jan 2017 21:22:58 -0500 Received: from mail-pf0-f177.google.com ([209.85.192.177]:32881 "EHLO mail-pf0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752293AbdADCWw (ORCPT ); Tue, 3 Jan 2017 21:22:52 -0500 Subject: Re: [PATCH 0/3] hisi_sas: some CQ processing fixes To: John Garry , jejb@linux.vnet.ibm.com, martin.petersen@oracle.com References: <1483446290-185084-1-git-send-email-john.garry@huawei.com> Cc: linuxarm@huawei.com, zhangfei.gao@linaro.org, xuwei5@hisilicon.com, john.garry2@mail.dcu.ie, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org From: Hanjun Guo Message-ID: <52fd4c87-a1e7-8a7e-835c-03297f7b1737@linaro.org> Date: Wed, 4 Jan 2017 10:14:53 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <1483446290-185084-1-git-send-email-john.garry@huawei.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2017/1/3 20:24, John Garry wrote: > This patchset fixes some issues related to servicing of the > completion queue interrupt. > The major fix is that sensitive hisi_hba structures need to be > locked when free'ing a slot. > Another modification is that the v2 hw completion queue irq is > now serviced with a tasklet, as too much work was being done in > the ISR. Tested on v2 based sas hardware and the crashes are gone, Tested-by: Hanjun Guo Thanks Hanjun