From patchwork Fri Jan 26 21:09:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joseph Salisbury X-Patchwork-Id: 1891618 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ubuntu.com (client-ip=185.125.189.65; helo=lists.ubuntu.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=patchwork.ozlabs.org) Received: from lists.ubuntu.com (lists.ubuntu.com [185.125.189.65]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4TM9MJ03jdz23fD for ; Sat, 27 Jan 2024 08:10:20 +1100 (AEDT) Received: from localhost ([127.0.0.1] helo=lists.ubuntu.com) by lists.ubuntu.com with esmtp (Exim 4.86_2) (envelope-from ) id 1rTTSo-0008Bp-61; Fri, 26 Jan 2024 21:10:14 +0000 Received: from smtp-relay-canonical-1.internal ([10.131.114.174] helo=smtp-relay-canonical-1.canonical.com) by lists.ubuntu.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1rTTSL-0007uM-P6 for kernel-team@lists.ubuntu.com; Fri, 26 Jan 2024 21:09:46 +0000 Received: from smtp.gmail.com (1.general.jsalisbury.us.vpn [10.172.66.188]) (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 smtp-relay-canonical-1.canonical.com (Postfix) with ESMTPSA id 4A3F83F6CE for ; Fri, 26 Jan 2024 21:09:45 +0000 (UTC) From: Joseph Salisbury To: kernel-team@lists.ubuntu.com Subject: [SRU][focal:linux-gcp][PATCH 0/2] Fixes for LP:#2049922 Date: Fri, 26 Jan 2024 16:09:42 -0500 Message-Id: <20240126210944.33688-1-joseph.salisbury@canonical.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" BugLink: https://bugs.launchpad.net/bugs/2049922 [Impact] * Request from Google to include Intel patches for IDPF support if used from out-of-tree module to prevent system instability Also being requested in bionic:linux-gcp-4.15. However, bionic:linux-gcp-4.15 required a different backport, so it will be sent separatly. [Fixes] f18b1137d38c ("PCI: Extract ATS disabling to a helper function") a18615b1cfc0 ("PCI: Disable ATS for specific Intel IPU E2000 devices") [Test Case] * Compile test * Boot test * Test on non-IDPF instance * Also tested by Google. [Where things could go wrong] * Low chance of regression, changes very isolated [Other Info] * SF #00376470 Bartosz Pawlowski (2): PCI: Extract ATS disabling to a helper function PCI: Disable ATS for specific Intel IPU E2000 devices drivers/pci/quirks.c | 29 ++++++++++++++++++++++++++--- 1 file changed, 26 insertions(+), 3 deletions(-) Acked-by: Andrei Gherzan Acked-by: Tim Gardner