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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 4B84FE7106B for ; Thu, 21 Sep 2023 13:23:03 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Rrx0j4QJrz3ccD for ; Thu, 21 Sep 2023 23:23:01 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=aculab.com (client-ip=185.58.85.151; helo=eu-smtp-delivery-151.mimecast.com; envelope-from=david.laight@aculab.com; receiver=lists.ozlabs.org) Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Rrx021XXmz3c40 for ; Thu, 21 Sep 2023 23:22:25 +1000 (AEST) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with both STARTTLS and AUTH (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-275-3ANp1ejCPpKMCXrfXPnzNA-1; Thu, 21 Sep 2023 14:20:59 +0100 X-MC-Unique: 3ANp1ejCPpKMCXrfXPnzNA-1 Received: from AcuMS.Aculab.com (10.202.163.6) by AcuMS.aculab.com (10.202.163.6) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Thu, 21 Sep 2023 14:20:58 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Thu, 21 Sep 2023 14:20:58 +0100 From: David Laight To: 'Shuai Xue' , Bjorn Helgaas Subject: RE: Questions: Should kernel panic when PCIe fatal error occurs? Thread-Topic: Questions: Should kernel panic when PCIe fatal error occurs? Thread-Index: AQHZ7ISwt0MI+BDoAEe5dUPUvfmXNrAlQDAw Date: Thu, 21 Sep 2023 13:20:58 +0000 Message-ID: <2e5870e416f84e8fad8340061ec303e2@AcuMS.aculab.com> References: <20230920230257.GA280837@bhelgaas> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 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: "Rafael J. Wysocki" , "gregkh@linuxfoundation.org" , Jonathan Cameron , "mahesh@linux.ibm.com" , "linux-kernel@vger.kernel.org" , "linux-acpi@vger.kernel.org" , "bp@alien8.de" , Baolin Wang , Linux PCI , "bhelgaas@google.com" , "james.morse@arm.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" Li4uDQpJJ3ZlIGdvdCBhIHRhcmdldCB0byBnZW5lcmF0ZSBBRVIgZXJyb3JzIGJ5IGdlbmVyYXRp bmcgcmVhZCBjeWNsZXMNCnRoYXQgYXJlIGluc2lkZSB0aGUgYWRkcmVzcyByYW5nZSB0aGF0IHRo ZSBicmlkZ2UgZm9yd2FyZHMgYnV0DQpvdXRzaWRlIG9mIGFueSBCQVIgYmVjYXVzZSB0aGVyZSBh cmUgMiBkaWZmZXJlbnQgc2l6ZWQgQkFScy4NCihQcmV0dHkgZWFzeSB0byBzZXR1cC4pDQpPbiB0 aGUgc3lzdGVtIEkgd2FzIHVzaW5nIHRoZXkgZGlkbid0IGdldCBwcm9wYWdhdGVkIGFsbCB0aGUg d2F5DQp0byB0aGUgcm9vdCBicmlkZ2UgLSBidXQgd2VyZSB2aXNpYmxlIGluIHRoZSBsb3dlciBi cmlkZ2UuDQpJdCB3b3VsZCBiZSBuaWNlIGZvciBhIGRyaXZlciB0byBiZSBhYmxlIHRvIGRldGVj dC9jbGVhciBzdWNoDQphIGZsYWcgaWYgaXQgZ2V0cyBhbiB1bmV4cGVjdGVkIH4wdSByZWFkIHZh bHVlLg0KKEknbSBub3Qgc3VyZSBhbiBlcnJvciBjYWxsYmFjayBoZWxwcy4pDQoNCk9UT0ggYSAn bmVicyBjb21wbGlhbnQnIHNlcnZlciByb3V0ZWQgYW55IGtpbmQgb2YgUENJZSBsaW5rIGVycm9y DQp0aHJvdWdoIHRvIHNvbWUgJ3N5c3RlbSBtYW5hZ2VtZW50JyBsb2dpYyB0aGF0IHRoZW4gcmFp c2VkIGFuIE5NSS4NCkknbSBub3Qgc3VyZSB3aG8gdGhvdWdodCBhbiBOTUkgd2FzIGEgZ29vZCBp ZGVhIC0gdGhleSBhcmUgcHJldHR5DQppbXBvc3NpYmxlIHRvIGhhbmRsZSBpbiB0aGUga2VybmVs IGFuZCB0b28gbGF0ZSB0byBiZSBvZiB1c2UgdG8NCnRoZSBjb2RlIHBlcmZvcm1pbmcgdGhlIGFj Y2Vzcy4NCg0KSW4gYW55IGNhc2Ugd2Ugd2VyZSBnZXR0aW5nIG9uZSBhZnRlciAnZWNobyAxID54 eHgvcmVtb3ZlJyBhbmQNCnRoZW4gdGFraW5nIHRoZSBQQ0llIGxpbmsgZG93biBieSByZXByb2dy YW1taW5nIHRoZSBmcGdhLg0KU28gdGhlIGxpbmsgZ29pbmcgZG93biB3YXMgZW50aXJlbHkgZXhw ZWN0ZWQsIGJ1dCB0aGVyZSBzZWVtZWQNCnRvIGJlIG5vdGhpbmcgd2UgY291bGQgZG8gdG8gc3Rv cCB0aGUga2VybmVsIGNyYXNoaW5nLg0KDQpJJ20gc3VyZSAnbmVicyBjb21wbGlhbnQnIG91Z2h0 IHRvIGNvbnRhaW4gc29tZSByZXF1aXJlbWVudHMgZm9yDQpyZXNpbGllbmNlIHRvIGhhcmR3YXJl IGZhaWx1cmVzIQ0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBC cmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdp c3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K