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 X-Spam-Level: X-Spam-Status: No, score=-5.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 24B0FC11F64 for ; Thu, 1 Jul 2021 09:52:52 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 7B20261452 for ; Thu, 1 Jul 2021 09:52:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7B20261452 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/jsqaMK3FY5NKMKh94UwcK2jC/c6AzQWJmVesIr4XNg=; b=jkB6v6tsv9G+kS xlWyTy+hD+tVwqHj7wDnh/tDWEQ4NRwXqCdeQySQZ+9aiVlzZLVfLWepCDZK3M+w1amEUxHj6TWFL pk5NQitliJgV7CW0NGT4Lj723elJHJy/t/8afWijVGz+vbSg/Ul49QE2VgcjczTeYYSyMCb4mmMho n7/tu0XwTnx5njD+odRrpYu3FkQgxEaV/bbbJueoQaEe52Qwd7+J/ahHNunIA6yjVFUuUNdIbzxhh 5f6dHUe8RitZGoCVofnff0epAa92k/uXZv0mjnLkCUmH1XOoe6w5lJUys/ub4aFwPq/7LlBLhaBXc H2Qm+9XDZghz7XXpK7MA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lytN8-00GqYu-PV; Thu, 01 Jul 2021 09:52:38 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lytN5-00GqX6-Hs for linux-nvme@lists.infradead.org; Thu, 01 Jul 2021 09:52:37 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 188EF6736F; Thu, 1 Jul 2021 11:52:27 +0200 (CEST) Date: Thu, 1 Jul 2021 11:52:26 +0200 From: Christoph Hellwig To: Ming Lei Cc: John Garry , Jens Axboe , linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, Christoph Hellwig , Sagi Grimberg , Daniel Wagner , Wen Xiong Subject: Re: [PATCH 1/2] blk-mq: not deactivate hctx if the device doesn't use managed irq Message-ID: <20210701095226.GB2066@lst.de> References: <20210629074951.1981284-1-ming.lei@redhat.com> <20210629074951.1981284-2-ming.lei@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: 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-20210701_025235_767877_00EFC950 X-CRM114-Status: GOOD ( 13.08 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Wed, Jun 30, 2021 at 08:32:46AM +0800, Ming Lei wrote: > Indeed, we may replace BLK_MQ_F_STACKING with BLK_MQ_F_NOT_USE_MANAGED_IRQ > (BLK_MQ_F_NO_MANAGED_IRQ) too, and the latter is one general solution. And now turn the polarity around and make it a BLK_MQ_F_MANAGED_IRQ set by the map_queue helpers that rely on managed irqs. _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme