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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 3426CC432C0 for ; Sat, 30 Nov 2019 17:02:41 +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 F2B602082E for ; Sat, 30 Nov 2019 17:02:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="DYIKTSUi"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="ErFLvVeg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F2B602082E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject: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=uMI6iEZ0nKYnjE4m70FHYuZVCgQk/HD6sFRVvtLRd2g=; b=DYIKTSUieHlTzW Nj7j1bVIA/5qkvKUnDHHcciFV1GzZgB3msx8oHoSN0G/xuQsJN9RH+2zQqCmKhoxKKklI2QzlcqqX qI9+tAMgwj7I1zVWdFA/S/OGfpHxwh9yPpmM4hFVxVxow82NV2OTyX/emaIy4f8OH3BZOgYN2MSxM 2qwktW7gcmE1ZMLVz5dDIUUV8fdRh10GgizxQlaMoK6BWWyvumn6Xt2fZ65UukWBy0Mh2yvAm9Bvu ovY8W4n79rjVU63ZaGFYXqn3kdB0OK/hDNeLGWruul3jfiZg0BVutdUlOgyKMYmu7HzkyNu1JE3iF PH27j8sD2zvbQWB+hMUA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ib68g-0005ks-UZ; Sat, 30 Nov 2019 17:02:34 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ib68c-0005kb-9m for linux-nvme@lists.infradead.org; Sat, 30 Nov 2019 17:02:32 +0000 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 410B82073C; Sat, 30 Nov 2019 17:02:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575133349; bh=4Z03Qq4Ko/UGElYVw5HFhFaBxkzGUvCLQACF5HtJHys=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ErFLvVegdbPkqxODcTwcFbriUOI277vNdhc24MwLNCWjoEEGs77aedpF/GSuFQFax eLHYXRa/in+Y4z9GD6EyLfxMbhNn5KQCj4YHp7ap8xWEYPoYBHD6EstRc4r10IZZFn k468Vt9azCR9ErzbITGgHcJRMytFbThYQrgSP7NM= Date: Sun, 1 Dec 2019 02:02:22 +0900 From: Keith Busch To: Sebastian Andrzej Siewior Subject: Re: [PATCH 0/4] nvme: Threaded interrupt handling improvements Message-ID: <20191130170222.GA5273@redsun51.ssa.fujisawa.hgst.com> References: <20191127175824.1929-1-kbusch@kernel.org> <20191129094640.6fq6wcxmfi4fwnlw@linutronix.de> <20191129162719.GA47681@C02WT3WMHTD6.lpcnextlight.net> <20191129170545.axnykbrabigzcghs@linutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191129170545.axnykbrabigzcghs@linutronix.de> User-Agent: Mutt/1.12.1 (2019-06-15) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191130_090230_366708_3B2A43C5 X-CRM114-Status: UNSURE ( 8.34 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ming.lei@redhat.com, helgaas@kernel.org, hch@lst.de, linux-nvme@lists.infradead.org, sagi@grimberg.me 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 Fri, Nov 29, 2019 at 06:05:45PM +0100, Sebastian Andrzej Siewior wrote: > Ach okay. But I wouldn't consider it as a "bug" if your threaded handler > returns IRQ_HANDLED and requires a longer period of time. Thsi seems > fine to me. > The SDHCI driver has a case where the interrupt thread waits for another > interrupt (from its primary handler) in order to make progress. Yes, that uses a driver specific way to handle that. This patch series provides nvme specific handling for long running irq threads. _______________________________________________ linux-nvme mailing list linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme