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=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_2 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 BBFBAC433DF for ; Mon, 18 May 2020 13:51:48 +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 8E0B520674 for ; Mon, 18 May 2020 13:51:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="RJyhOKrL"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="09GVOIkz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8E0B520674 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.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-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: Mime-Version:References:In-Reply-To:Date:To:From:Subject:Message-ID: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=P/A5OfmnsFT7RZO5DDNH95iI9DWOV9csZZxBtx0NGlc=; b=RJyhOKrLVCQcaCEzKTxV6sxx7 MKug7TFxEMGtUd+kbYQQaaQlWHhPyMP9r8fLxXqY1PFNHzQa76c2M9G4dTkxNe2bEighi6Z6YcLU4 jU5nQyxwIDAOi52Saufgi9iBTD6FR/me1ejpwzWzWiQg4xCaZcggz2nasR6/KFdA0y5hFN7b7bwcV s3vAC6Px9myOEezKHBVJ6Q1FG5VP6NX4nU3GF7ibbWwkpJW3DrytD/vj4I2qRj07AoTYK6mr9L9V8 NPXjdWURRzh+vKNZW3Y1CQ7BSm5UEi+kNsSjy8FYgERYSvQrAJKMA97Q/ylkau4OKhZOMgDZgvFBP 4QjVDdHcQ==; 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 1jagBF-00052B-Ub; Mon, 18 May 2020 13:51:45 +0000 Received: from merlin.infradead.org ([205.233.59.134]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jagBE-00051v-2J for linux-nvme@bombadil.infradead.org; Mon, 18 May 2020 13:51:44 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=Mime-Version:Content-Type:References: In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=XtLlCGtUP/kCGEG2LHNIpz49eM4V0d1B+UtuwUyFr8o=; b=09GVOIkz6LFvvy6cX9nYz5TJZd 0Rihs/mn29wlm/CmmmFKtQ6xqqEC25gDFDgKz9ik6QfmZdi3I5LHKiYGTdy2PfSGIEWeTM8hu5r8S i6pZIJZXWs7UU6yxhVTeDVoQD5jBxJZwWXInH5+ZMGUpwkQagmjQ6D2P/KL22zBbahlTrCi28HD3m terg3zf80AyVC96qmuXJoAaYmiDS9rTy8zrj5vqPKEELFBBH9atWwesqvPEKfcgI5x9r+2e7+tPNG z5rW7poi6+EWFWd7/Zzo9mwh5hM9Yx2gr4H+9HAlbWG/IRUxJhVELou//Z6IN/XwXsGFc9Q53ub6a TEKBDj8g==; Received: from 54-240-197-239.amazon.com ([54.240.197.239] helo=u3832b3a9db3152.ant.amazon.com) by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jagAh-0003w0-Hp; Mon, 18 May 2020 13:51:11 +0000 Message-ID: Subject: Re: [PATCH 0/2] Add support for StorageD3Enable _DSD property From: David Woodhouse To: "Williams, Dan J" , "hch@lst.de" , "david.e.box@linux.intel.com" Date: Mon, 18 May 2020 14:51:06 +0100 In-Reply-To: <296064bbcf702744bf603932c9d849307db2e5b7.camel@intel.com> References: <20200428003214.3764-1-david.e.box@linux.intel.com> <20200428051312.GB17146@lst.de> <20200428142247.GB5439@lst.de> <296064bbcf702744bf603932c9d849307db2e5b7.camel@intel.com> X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 Mime-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by merlin.infradead.org. See http://www.infradead.org/rpr.html 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: "sagi@grimberg.me" , "linux-pci@vger.kernel.org" , "rjw@rjwysocki.net" , "linux-kernel@vger.kernel.org" , "linux-nvme@lists.infradead.org" , "axboe@fb.com" , "linux-acpi@vger.kernel.org" , "kbusch@kernel.org" , "bhelgaas@google.com" , "lenb@kernel.org" Content-Type: multipart/mixed; boundary="===============8300017593386514219==" Sender: "linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org --===============8300017593386514219== Content-Type: multipart/signed; micalg="sha-256"; protocol="application/x-pkcs7-signature"; boundary="=-Z1oE88ygGVvnbjFrv0RL" --=-Z1oE88ygGVvnbjFrv0RL Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, 2020-04-29 at 05:20 +0000, Williams, Dan J wrote: > The *patch* is not trying to overrule NVME, and the best I can say is > that the Intel Linux team was not in the loop when this was being > decided between the platform BIOS implemenation and whomever thought > they could just publish random ACPI properties that impacted NVME > operation [1]. >=20 > So now David is trying to get these platform unbroken because they are > already shipping with this b0rkage. This is what we have WARN_TAINT() for though, right? It can suitably warn users when such breakage is detected in the platform. --=-Z1oE88ygGVvnbjFrv0RL Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCECow ggUcMIIEBKADAgECAhEA4rtJSHkq7AnpxKUY8ZlYZjANBgkqhkiG9w0BAQsFADCBlzELMAkGA1UE BhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEaMBgG A1UEChMRQ09NT0RPIENBIExpbWl0ZWQxPTA7BgNVBAMTNENPTU9ETyBSU0EgQ2xpZW50IEF1dGhl bnRpY2F0aW9uIGFuZCBTZWN1cmUgRW1haWwgQ0EwHhcNMTkwMTAyMDAwMDAwWhcNMjIwMTAxMjM1 OTU5WjAkMSIwIAYJKoZIhvcNAQkBFhNkd213MkBpbmZyYWRlYWQub3JnMIIBIjANBgkqhkiG9w0B AQEFAAOCAQ8AMIIBCgKCAQEAsv3wObLTCbUA7GJqKj9vHGf+Fa+tpkO+ZRVve9EpNsMsfXhvFpb8 RgL8vD+L133wK6csYoDU7zKiAo92FMUWaY1Hy6HqvVr9oevfTV3xhB5rQO1RHJoAfkvhy+wpjo7Q cXuzkOpibq2YurVStHAiGqAOMGMXhcVGqPuGhcVcVzVUjsvEzAV9Po9K2rpZ52FE4rDkpDK1pBK+ 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