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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, 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 CCEF8C43619 for ; Fri, 5 Mar 2021 12:27:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A572665037 for ; Fri, 5 Mar 2021 12:27:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231537AbhCEM06 (ORCPT ); Fri, 5 Mar 2021 07:26:58 -0500 Received: from mail.kernel.org ([198.145.29.99]:34174 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231390AbhCEM01 (ORCPT ); Fri, 5 Mar 2021 07:26:27 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8BF8A6502C; Fri, 5 Mar 2021 12:26:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614947187; bh=gOBTWqoTn2+HwoSdiseF1+ZGvOYzZH17dtVU/0oEl18=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J8Vdk00hLQFvHiMfFL8xvOKpoqIGEbd0d8MJR9UhFFVx/CGlXqjkb9ZrRLZJ4dUeA wTztehi0WQ0mpdgLo17wAW3qLHSKZgDGN5zCfrVRrI8ekEmBlPGoJhFyInMOmzA+Pe syf7mGY7hdHD+hrEvsJXx+7I26tff+84WuPqzxH0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jim Mattson , "Peter Zijlstra (Intel)" , Andi Kleen , Sasha Levin Subject: [PATCH 5.11 080/104] perf/x86/kvm: Add Cascade Lake Xeon steppings to isolation_ucodes[] Date: Fri, 5 Mar 2021 13:21:25 +0100 Message-Id: <20210305120907.089563286@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210305120903.166929741@linuxfoundation.org> References: <20210305120903.166929741@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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 d4569bfa83e3..4faaef3a8f6c 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), -- 2.30.1