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 5D87DC433F5 for ; Thu, 10 Feb 2022 18:22:27 +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=7VPSUCwf1glTvWgXMy0dSvUDX8AhY1pgybwCv3J1G5Q=; b=RNzV+OLcUlZg3QXmTOZNFuHBGq F1hhXa1Q+dxQLaX/hPZVWGbUwVoI+UPnrcCdYkYGFhOrF7Z5XBmwYM574XLWm5X0XVGWRb+Pfn2gt JXiexeEXJItDPYFiWa+aknV+di/EgD9fMeDPLWhFWRTSRyrbJg6iZl4Ka0TSyYcyW2nRDiJ/FArCQ N8ukjG8SESeXhBtzXWJv+L7/1f4QZ0j/0Gcbwe4oSG4Ogu5RCn2t2CiTk+iAd4ShbRxvBz6NdnGmg 43a4iCXWUYuNT3mzrLEiZ7ATibSB9ivHzPYfFYwTvSNya441XNClUOmcauHxJjfIb6RKV9NHlDDPP ycKCZ0Iw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nIE5E-004bVU-9w; Thu, 10 Feb 2022 18:22:20 +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 1nIE5A-004bVB-FK for linux-nvme@lists.infradead.org; Thu, 10 Feb 2022 18:22:17 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 3742468AFE; Thu, 10 Feb 2022 19:22:12 +0100 (CET) Date: Thu, 10 Feb 2022 19:22:12 +0100 From: Christoph Hellwig To: Keith Busch Cc: linux-nvme@lists.infradead.org, hch@lst.de, "Rafael J. Wysocki" Subject: Re: [PATCH] nvme-pci: simple suspend quirk for vmd devices Message-ID: <20220210182212.GA16171@lst.de> References: <20220210152233.1657933-1-kbusch@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220210152233.1657933-1-kbusch@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-20220210_102216_679302_C35749DF X-CRM114-Status: GOOD ( 11.24 ) 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, Feb 10, 2022 at 07:22:33AM -0800, Keith Busch wrote: > + } else if (pci_domain_nr(pdev->bus) > 0xffff) { > + /* > + * ACPI device properties are not reliable within VMD domains, > + * so assume the worst. > + */ > + quirks |= NVME_QUIRK_SIMPLE_SUSPEND; We'll need to communicate that from th vmd layer instead of hacking a check like this into NVMe..