Received: by 2002:a05:6a10:9afc:0:0:0:0 with SMTP id t28csp756172pxm; Wed, 2 Mar 2022 07:53:58 -0800 (PST) X-Google-Smtp-Source: ABdhPJyGefUW3Fqzu5FeuPn6CTyFtQYRVioFRmpTKRK4lfpo9OErIJ793HDWGk2pWIzS8bl1R/AE X-Received: by 2002:aa7:8d54:0:b0:4e0:bd6:cfb9 with SMTP id s20-20020aa78d54000000b004e00bd6cfb9mr33962964pfe.60.1646236438054; Wed, 02 Mar 2022 07:53:58 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1646236438; cv=none; d=google.com; s=arc-20160816; b=eWRS4Uim0/yL+rOVDqh0Ru9Juogv20PUZNyOiGqpIGeRV7fRuMP+iltlTQrCBSf0k3 ai2jd8q6DxVYVj9R3leuwSwbpRU/UIzWSAw0Uakkf0JRTfYFpSPBbafm9gTezMVBZXY7 GeghfhsNGzpW6olLF38mkYBntmBfHdrNQq4PYja+R7pGRZlYAp+BBWd38Z4s8HNUzX4D DhEV0PCEBpekRVuFZHReyWM3rwRx5WOQVUB+TIfdBtqh8I+LvADWa5DUPHFmMd//IQaK 1tz/lsx19vpqQJGIgiJwW2X01jsnu0yyMEHtUG+NwAfO+NBj6Jc54JeyEF62I+DAFOMH zEmg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:user-agent:references:message-id :in-reply-to:subject:cc:to:from:date; bh=SiQbi9ZqsLnK/EAeZj9SLoO3qNUcpfEv1gjhuOik3+s=; b=vbfza6mM153YA3m6bZK3OaBXneTdLwAqf6B0xHV3yo/iejKC/+jS0yNZ7V6hW6Sm6m pGcg5i7N4beMMaRRNKNWUO87GL7gtamajCtttTbG1SAdcvAPrV1UXc0K945iBRCKXmVF mU3IHfPcjGS6dLTJSEcgmmYy/PExnLtjfyquLyHX8sxPCwBnNREyZBLjKPqJlxFKvpcR 3DE17zQb3KeCFY0j2gAWQYvLWGNDVJN9gmsHMTwgvBgn/kpnqIHGMOrcjkdgMuhjYlsk cJ6MY9xEaKXoA80pWcrz1pvWr1PZc53Il3WMeHFB22JxwP/wuxcRMDMA/NmTdbLvq/RY O3hg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id p1-20020a17090a868100b001bf03ecf70esi1083526pjn.171.2022.03.02.07.53.39; Wed, 02 Mar 2022 07:53:58 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238240AbiCAUoX (ORCPT + 99 others); Tue, 1 Mar 2022 15:44:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41496 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238355AbiCAUoW (ORCPT ); Tue, 1 Mar 2022 15:44:22 -0500 Received: from angie.orcam.me.uk (angie.orcam.me.uk [78.133.224.34]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 7E83E62132 for ; Tue, 1 Mar 2022 12:43:40 -0800 (PST) Received: by angie.orcam.me.uk (Postfix, from userid 500) id C067392009D; Tue, 1 Mar 2022 21:43:39 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by angie.orcam.me.uk (Postfix) with ESMTP id BA7E692009B; Tue, 1 Mar 2022 20:43:39 +0000 (GMT) Date: Tue, 1 Mar 2022 20:43:39 +0000 (GMT) From: "Maciej W. Rozycki" To: Bjorn Helgaas cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PING^2][PATCH v2] PCI: Sanitise firmware BAR assignments behind a PCI-PCI bridge In-Reply-To: Message-ID: References: User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 1 Feb 2022, Maciej W. Rozycki wrote: > Fix an issue with the Tyan Tomcat IV S1564D system, the BIOS of which > does not assign PCI buses beyond #2, where our resource reallocation > code preserves the reset default of an I/O BAR assignment outside its > upstream PCI-to-PCI bridge's I/O forwarding range for device 06:08.0 in > this log: Ping for: Maciej