Received: by 2002:a25:ef43:0:0:0:0:0 with SMTP id w3csp580729ybm; Wed, 27 May 2020 02:55:48 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxDEMab7nw24hCTydXq1FGbDwFokpDgIk9c0o1BxZLW5EolU6gdmqF7nLhFGmzcY3RVTT4m X-Received: by 2002:a17:907:447e:: with SMTP id oo22mr5064220ejb.37.1590573347822; Wed, 27 May 2020 02:55:47 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1590573347; cv=none; d=google.com; s=arc-20160816; b=RuI6cXNQgC4wN2AVQ6mpT5V3FWYobivrLn9bB3sf3E/9RS+z3nvS8RJ4WcTtzysPkV EuwC78xby7foGO3myZk83NyzytGMHVB/kO5SMFCsmF5blZKryiSg20f9UFRyyB2eSQkK VR8QwxA8PqMlKTwOeGcXOJjt968Jxu3HxHiEkJvciLk2cVhAmWAhfA70X2eebYwE62Um SInhMDM6CzWlEoPGL9Vbro5CwSTO4kZYA8oow7CduYSMdb00EySG9iI+ZxKMxaKWyxDl YrOgB6PdTAHN214KrV9nw0lT4tAPDHoNt1HGZKVdplNABaOpkmnovgfttradVWvJAQig /4VQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=+Gu7Ms819qce1QK403qJCBSwes3RbCCCLDAY5Pq8X2I=; b=QoK1C3AQn6lK6zffJbX6pP/9kC7jxf3RyBQi4x40FkPXPCP3cQ5Hztk4NVkd/kVdYV TiN5wuirtVFFapklufBxLNz+CrYpaOVvgzZVwg6wPokV/bqIEcjyJ2FvCpqyezRmZ23u j8YkSsD9XIS4fP3db03sqY4u7vlF6kn6KRF6/5fQuRFYdUwK0eZs13X3vRX87M4a/cOr tfEOlLf44q1pLAJs6/7+JMr+RJnqBvw9zCZ2nMmmP7KN64kFmcTrwZNF7BcbCBxNmURS ZqsB8cfBR07HWgmuJopbJuE1YO5NjbKGrTghM3kijcEYAlUHU1M+nIykSTD5avBFuBjD KNAA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=W7384c9q; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id me25si1524468ejb.481.2020.05.27.02.55.24; Wed, 27 May 2020 02:55:47 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=W7384c9q; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728347AbgE0FTG (ORCPT + 99 others); Wed, 27 May 2020 01:19:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:58790 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725948AbgE0FTG (ORCPT ); Wed, 27 May 2020 01:19:06 -0400 Received: from redsun51.ssa.fujisawa.hgst.com (unknown [199.255.47.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 87BE0207E8; Wed, 27 May 2020 05:19:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590556745; bh=+Gu7Ms819qce1QK403qJCBSwes3RbCCCLDAY5Pq8X2I=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=W7384c9qF9IFuyKS/iMi2tBagpNmaWjiDU1TY32lRPvM1CulVTZoqeY7zkRwEHesc V44k6+Kvdw252EsRRXIt8MolSdYOGEg1KwjNWHuOQsIX9optA3gYpuMWEfj3p+bB30 aWKSYEGPAaVIA3MCWu73f6clJVTow1ynWJ9lRVD8= Date: Wed, 27 May 2020 14:18:56 +0900 From: Keith Busch To: Christoph Hellwig Cc: Dongli Zhang , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, axboe@fb.com, sagi@grimberg.me Subject: Re: [PATCH 1/1] nvme-pci: avoid race between nvme_reap_pending_cqes() and nvme_poll() Message-ID: <20200527051856.GB24949@redsun51.ssa.fujisawa.hgst.com> References: <20200527004955.19463-1-dongli.zhang@oracle.com> <20200527050559.GA16317@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200527050559.GA16317@lst.de> User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fixes: fa46c6fb5d61 ("nvme/pci: move cqe check after device shutdown")