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[23.128.96.18]) by mx.google.com with ESMTP id t2si6392458ejx.348.2020.05.18.06.55.43; Mon, 18 May 2020 06:56:08 -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=fail header.i=@infradead.org header.s=merlin.20170209 header.b=09GVOIkz; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727798AbgERNyD (ORCPT + 99 others); Mon, 18 May 2020 09:54:03 -0400 Received: from merlin.infradead.org ([205.233.59.134]:56684 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726895AbgERNyC (ORCPT ); Mon, 18 May 2020 09:54:02 -0400 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" Cc: "linux-nvme@lists.infradead.org" , "sagi@grimberg.me" , "lenb@kernel.org" , "rjw@rjwysocki.net" , "linux-kernel@vger.kernel.org" , "linux-acpi@vger.kernel.org" , "linux-pci@vger.kernel.org" , "axboe@fb.com" , "kbusch@kernel.org" , "bhelgaas@google.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> Content-Type: multipart/signed; micalg="sha-256"; protocol="application/x-pkcs7-signature"; boundary="=-Z1oE88ygGVvnbjFrv0RL" 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 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-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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