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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 57C69C43219 for ; Wed, 24 Feb 2021 13:16:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1DC7464E6F for ; Wed, 24 Feb 2021 13:16:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236201AbhBXNOQ (ORCPT ); Wed, 24 Feb 2021 08:14:16 -0500 Received: from mail.kernel.org ([198.145.29.99]:50134 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235406AbhBXMzb (ORCPT ); Wed, 24 Feb 2021 07:55:31 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id A8B4D64F2C; Wed, 24 Feb 2021 12:51:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1614171103; bh=XY8ofoEMTVZb+3bw2s42NYGvTjqKmjXdLT/0hmKYeqo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=imL+vw/YP/NLZWRyjg8QcUHPFg0jw0MtSkF1VGbQ/P2U9Y/peDMFTKEFf6HZhUN1/ C0PQ983jh7MMuprU6UzTfIdEeVhrAIGxQzSoifNdFChShmAPimhHLM5OPUYWzFbOwk oK/6YCz/HKXZX/3u/9MP84ueyVfgSd2Nf7GecvTrm9FJp0PrrVnNmOZo1ZpMJlc9if LubUoYWnmjJW0GXBdketDzMAOvilpkR5kFJ0NIrXloxCDBITAtMzUp1d9o04V5n9f+ O396JfmKPZGoe3mB1XLqsDIZ/C3v4ubbHcgLNtZGHKzLA1ui4NZriXa8Kt/6/lzbmS z5nhPD/uuACbg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jim Mattson , Peter Zijlstra , Andi Kleen , Sasha Levin Subject: [PATCH AUTOSEL 5.11 57/67] perf/x86/kvm: Add Cascade Lake Xeon steppings to isolation_ucodes[] Date: Wed, 24 Feb 2021 07:50:15 -0500 Message-Id: <20210224125026.481804-57-sashal@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210224125026.481804-1-sashal@kernel.org> References: <20210224125026.481804-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jim Mattson [ Upstream commit b3c3361fe325074d4144c29d46daae4fc5a268d5 ] Cascade Lake Xeon parts have the same model number as Skylake Xeon parts, so they are tagged with the intel_pebs_isolation quirk. However, as with Skylake Xeon H0 stepping parts, the PEBS isolation issue is fixed in all microcode versions. Add the Cascade Lake Xeon steppings (5, 6, and 7) to the isolation_ucodes[] table so that these parts benefit from Andi's optimization in commit 9b545c04abd4f ("perf/x86/kvm: Avoid unnecessary work in guest filtering"). Signed-off-by: Jim Mattson Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Andi Kleen Link: https://lkml.kernel.org/r/20210205191324.2889006-1-jmattson@google.com Signed-off-by: Sasha Levin --- arch/x86/events/intel/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index d4569bfa83e30..4faaef3a8f6c4 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -4397,6 +4397,9 @@ static const struct x86_cpu_desc isolation_ucodes[] = { INTEL_CPU_DESC(INTEL_FAM6_BROADWELL_X, 2, 0x0b000014), INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X, 3, 0x00000021), INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X, 4, 0x00000000), + INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X, 5, 0x00000000), + INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X, 6, 0x00000000), + INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X, 7, 0x00000000), INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_L, 3, 0x0000007c), INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE, 3, 0x0000007c), INTEL_CPU_DESC(INTEL_FAM6_KABYLAKE, 9, 0x0000004e), -- 2.27.0