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=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=unavailable 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 789B1C6786F for ; Fri, 2 Nov 2018 16:26:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4B1E32081F for ; Fri, 2 Nov 2018 16:26:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4B1E32081F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=alien8.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727576AbeKCBeP (ORCPT ); Fri, 2 Nov 2018 21:34:15 -0400 Received: from mail.skyhub.de ([5.9.137.197]:60742 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726318AbeKCBeP (ORCPT ); Fri, 2 Nov 2018 21:34:15 -0400 X-Virus-Scanned: Nedap ESD1 at mail.skyhub.de Received: from mail.skyhub.de ([127.0.0.1]) by localhost (blast.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id mMnH1nvg94mC; Fri, 2 Nov 2018 17:26:34 +0100 (CET) Received: from zn.tnic (p200300EC2BCD3B00329C23FFFEA6A903.dip0.t-ipconnect.de [IPv6:2003:ec:2bcd:3b00:329c:23ff:fea6:a903]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id F0E191EC0380; Fri, 2 Nov 2018 17:26:33 +0100 (CET) Date: Fri, 2 Nov 2018 17:26:23 +0100 From: Borislav Petkov To: Keith Busch Cc: Bjorn Helgaas , Jon Derrick , linux-pci@vger.kernel.org, Lorenzo Pieralisi , "Rafael J. Wysocki" , Len Brown , Tony Luck , Tyler Baicar , Christoph Hellwig , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] PCI/AER: Option to leave System Error Interrupts as-is Message-ID: <20181102162623.GH14602@zn.tnic> References: <1540585146-31876-1-git-send-email-jonathan.derrick@intel.com> <20181029210651.GB13681@bhelgaas-glaptop.roam.corp.google.com> <20181102095300.GB14602@zn.tnic> <20181102161730.GA26392@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20181102161730.GA26392@localhost.localdomain> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 02, 2018 at 10:17:30AM -0600, Keith Busch wrote: > VMD acts a bit like a host-bus adapter. The firmware knows about the > adapter, but not about anything on the bus that it attaches to. > > This "hybrid" approach is basically saying that the firmware knows about > the HBA, and it wants a chance to be notified of errors on the bus it > attaches to, but the firmware can't do anything about such errors. > > The bus in this case is PCIe, where we have capable error handling in the > kernel driver, so we ultimately want the AER driver handling the errors. Not a problem - GHES already knows about AER and calls into it for CPER_SEC_PCIE errors: ghes_do_proc -> ghes_handle_aer |-> aer_recover_queue -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.