From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-174.mta1.migadu.com (out-174.mta1.migadu.com [95.215.58.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D1513EEA5 for ; Mon, 19 Aug 2024 22:38:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724107125; cv=none; b=krmO9lKJ5/7NfGwwYimlpKe8CqI9brUPdghGHNtC5TfECbSZkKMNU7kOyUjJgLNILkgB+U3L28y/hkQeQFLhFGIvQas6Q5MLUANYeleFVx4utrUNE3ica0vDZ1Wo5KNaW6n8Js7pXGllY8vjrIc5jxzgSZ8nbBEEtKJskz7gIug= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724107125; c=relaxed/simple; bh=HKHKfrqRKrp3pwub7bbP6Pf4bATI42In7187JN6nl1I=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=NzVJ0IcoN07c/k3IZKTKsyymvWFoYWKvTK6WFuPHm2ZkjngUfZWWJ194drR2hrVWjNpSE8h7x6M3FgRkBBmVOm9tzGKK1Dy6pxCJFDngs+6tOm6X/WACyWi4U6Y4w3E3CAE2kxh9/VYtqqbN93sA3tOQYWk6hMZaftlvjDLr2Uw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=lljopScz; arc=none smtp.client-ip=95.215.58.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="lljopScz" Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1724107121; 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=b8tNBuqbwadg1n3Js6vqDyqqna6QTqNl8AO1Qwx7SdA=; b=lljopScz619yaHAj49fQR8FGtLJlclu1JOP0U/PGjxsDVlI6MZJzVFWjRu3uf75L7s6i60 +2DdhGfc/CmWYGdQ3Q9eaTkvej6hYLu/lroEegP86hPoYftzyAPanILOOc34f/8/PgcPj7 /mqofPh1YYHNaXOEBKYMG/a+hB5qyIY= Date: Tue, 20 Aug 2024 06:38:33 +0800 Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH 1/1] RDMA/iwcm: Fix WARNING:at_kernel/workqueue.c:#check_flush_dependency To: Jason Gunthorpe Cc: bvanassche@acm.org, leon@kernel.org, linux-rdma@vger.kernel.org, shinichiro.kawasaki@wdc.com, kernel test robot References: <20240817084244.536397-1-yanjun.zhu@linux.dev> <20240819183821.GA3487760@nvidia.com> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Zhu Yanjun In-Reply-To: <20240819183821.GA3487760@nvidia.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT 在 2024/8/20 2:38, Jason Gunthorpe 写道: > On Sat, Aug 17, 2024 at 10:42:44AM +0200, Zhu Yanjun wrote: >> When workqueue_flush is invoked, WQ_MEM_RECLAIM is checked to avoid >> errors. > Include backtraces please, these things are tricky and we often have > to go back and figure out why. > > Explaine exactly why it is needed with traces in the commit message > and summarize in a comment. Got it. I will make changes in the commit log and add backtraces. Zhu Yanjun > > Jason -- Best Regards, Yanjun.Zhu