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20 Nov 2018 16:36:30 -0600 Received: from pps.filterd (m0144102.ppops.net [127.0.0.1]) by mx0b-00154901.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id wAKMXThT031311 for ; Tue, 20 Nov 2018 17:36:29 -0500 Received: from esa2.dell-outbound2.iphmx.com (esa2.dell-outbound2.iphmx.com [68.232.153.202]) by mx0b-00154901.pphosted.com with ESMTP id 2nvhgtueta-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Tue, 20 Nov 2018 17:36:29 -0500 Received: from ausxippc106.us.dell.com ([143.166.85.156]) by esa2.dell-outbound2.iphmx.com with ESMTP/TLS/DHE-RSA-AES256-SHA256; 21 Nov 2018 04:35:54 +0600 X-LoopCount0: from 10.166.134.83 X-IronPort-AV: E=Sophos;i="5.56,258,1539666000"; d="scan'208";a="321417490" From: To: , , Subject: Re: [PATCH 0/2] PCI/AER: Consistently use _OSC to determine who owns AER Thread-Topic: [PATCH 0/2] PCI/AER: Consistently use _OSC to determine who owns AER Thread-Index: AQHUfTk2X+FUHiVWnkuZssuLn5DqDg== Date: Tue, 20 Nov 2018 22:36:26 +0000 Message-ID: References: <20181115231605.24352-1-mr.nuke.me@gmail.com> <20181119165318.GB26595@localhost.localdomain> <74f2c527-0890-5e14-5e2d-48934a42dae6@kernel.org> <20181119174127.GE26595@localhost.localdomain> <20181119181051.GA26707@localhost.localdomain> <3f923367-2cc1-c0d6-bca6-bf9a03d1b9ca@gmail.com> <84013a8a-287d-d700-6710-91cc35f507c8@kernel.org> <9c9531c7efb846438f03f744b9afc466@ausx13mps321.AMER.DELL.COM> <3b18a9fa-7bdd-0fb4-285d-4efb454be50a@kernel.org> <314e59da-48e1-545b-3ee9-6e5056b90fd9@kernel.org> <4728316eb84446358e0a07bbf1e42b57@ausx13mps321.AMER.DELL.COM> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.178.128.193] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-11-20_10:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=569 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1811200198 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: baicar.tyler@gmail.com, sbobroff@linux.ibm.com, linux-pci@vger.kernel.org, rjw@rjwysocki.net, linux-kernel@vger.kernel.org, Shyam.Iyer@dell.com, linux-acpi@vger.kernel.org, lukas@wunner.de, oohall@gmail.com, Austin.Bolen@dell.com, bhelgaas@google.com, linuxppc-dev@lists.ozlabs.org, lenb@kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 11/20/2018 04:08 PM, Sinan Kaya wrote:=0A= > One version is:=0A= > "if HEST table is present, ignore _OSC"=0A= > or=0A= > Another version is:=0A= > "if HEST table is present, make sure that FW sets _OSC bit for AER to=0A= > false. Otherwise, warn like crazy that this BIOS is broken and needs=0A= > an update and can cause all sorts of trouble"=0A= =0A= ACPI 6.2 Ch 6.2.11.3, Table 6-197=0A= PCI Express Advanced Error Reporting control=0A= =0A= The firmware sets this bit to 1 to grant control over PCI=0A= Express Advanced Error Reporting.=0A= If firmware allows the OS control of this feature, then in the=0A= context of the _OSC method it must ensure that error messages=0A= are routed to device interrupts as described in the PCI=0A= Express Base Specification. Additionally, after control is=0A= transferred to the OS, firmware must not modify the Advanced=0A= Error Reporting Capability. If control of this feature was=0A= requested and denied or was not requested, firmware returns=0A= this bit set to 0.=0A=