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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 93E36C3ABBC for ; Fri, 9 May 2025 05:07:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=eAXbPhzEIya3CXnPo/EU1UCYVy5pG9DgIMi4YWQp1b0=; b=vFRCXTvGCNUpQ7NL/CUORCYuh2 omXTEjd40WmE59g8WfxBtSeRI2DiA55PXzHIopCv0y3yLUL6NnongIvmri+KDwmrkhD+z9YhK6z3H cq/C2oHC1pczJK55oE3wnQKo1kUi0hcdKVcNG4MdlHLm8hwcTaNxn4FknnPcjgs6Z0XnB6UbQ4uRK /RyZrfN80t00EqOcGl1sOVVgA6trZWY/eeeoIXDBJqmZAlP8ywHyV8fQC2S7KDuxHXcUYC2NdHjiD 8sG4yUI9TI2dWO+RNslH05jKF/kJlOwuhXDS8PxX12LPHWq8P2RMyTbBve+CPr23DoOtJAHbL3AW2 pm3J+tWw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uDFxc-00000002UBp-2OAv; Fri, 09 May 2025 05:07:48 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uDFoa-00000002Tax-0Yqw for linux-nvme@lists.infradead.org; Fri, 09 May 2025 04:58:29 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 8DD1A67373; Fri, 9 May 2025 06:58:21 +0200 (CEST) Date: Fri, 9 May 2025 06:58:21 +0200 From: Christoph Hellwig To: Daniel Wagner Cc: Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg , Hannes Reinecke , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] nvme-pci: lock per namespace in nvme_poll_irqdisable Message-ID: <20250509045821.GA29348@lst.de> References: <20250508-nvme-pci-polling-v2-1-0c7e1edad476@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250508-nvme-pci-polling-v2-1-0c7e1edad476@kernel.org> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250508_215828_313292_7735F0D9 X-CRM114-Status: GOOD ( 12.95 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Thu, May 08, 2025 at 04:57:06PM +0200, Daniel Wagner wrote: > From: Keith Busch > > We need to lock this queue for that condition because the timeout work > executes per-namespace. I've applied this to the nvme 6.15 branch, but I rewrote the commit log as I can't find anything per-namespaces here, the CQ lock is per-CQ.