From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B5B6AE95A67 for ; Sun, 8 Oct 2023 16:01:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344912AbjJHQBz (ORCPT ); Sun, 8 Oct 2023 12:01:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234352AbjJHQBy (ORCPT ); Sun, 8 Oct 2023 12:01:54 -0400 Received: from out-196.mta1.migadu.com (out-196.mta1.migadu.com [IPv6:2001:41d0:203:375::c4]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6673DAB for ; Sun, 8 Oct 2023 09:01:52 -0700 (PDT) Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1696780910; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zKcOyrJkVaJ/xvKnkD831klpEkDx4Y+SEx+7tM+0dR4=; b=gWBsvWXU2F/Io3LrTAq9PjFmfQsfLB3K0FCTQkdDxSEqQoj3CSC98d3arD+X8E4mb8z0km +/Z9uaY4m1v8KVucje5HJIDus0FaZmdSQUWlRug9nF1xEkQE8ATNC/yDC0Y5dtyY9iPhXk i9RkpxVnDpHWCx6o53948u9FMZ8o8hs= Date: Mon, 9 Oct 2023 00:01:37 +0800 MIME-Version: 1.0 Subject: Re: [PATCH 1/1] Revert "RDMA/rxe: Add workqueue support for rxe tasks" To: Bart Van Assche , Jason Gunthorpe Cc: Bob Pearson , Leon Romanovsky , zyjzyj2000@gmail.com, linux-rdma@vger.kernel.org, matsuda-daisuke@fujitsu.com, shinichiro.kawasaki@wdc.com, linux-scsi@vger.kernel.org, Zhu Yanjun References: <20230922163231.2237811-1-yanjun.zhu@intel.com> <169572143704.2702191.3921040309512111011.b4-ty@kernel.org> <20230926140656.GM1642130@unreal> <2d5e02d7-cf84-4170-b1a3-a65316ac84ee@acm.org> <2fcef3c8-808e-8e6a-b23d-9f1b3f98c1f9@linux.dev> <552f2342-e800-43bc-b859-d73297ce940f@acm.org> <20231004183824.GQ13795@ziepe.ca> <20231005142148.GA970053@ziepe.ca> <6a730dad-9d81-46d9-8adc-764d00745b01@acm.org> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Zhu Yanjun In-Reply-To: <6a730dad-9d81-46d9-8adc-764d00745b01@acm.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org 在 2023/10/5 22:50, Bart Van Assche 写道: > On 10/5/23 07:21, Jason Gunthorpe wrote: >> Which is why it shows there are locking problems in this code. > > Hi Jason, > > Since the locking problems have not yet been root-caused, do you > agree that it is safer to revert patch "RDMA/rxe: Add workqueue > support for rxe tasks" rather than trying to fix it? Hi, Jason && Leon I spent a lot of time on this problem. It seems that it is a very difficult problem. So I agree with Bart. Can we revert patch "RDMA/rxe: Add workqueue support for rxe tasks" rather than trying to fix it? Then Bob can apply his new patch to a stable RXE? Any reply is appreciated. Warm Regards, Zhu Yanjun > > Thanks, > > Bart.