Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BDA67C433F5 for ; Fri, 10 Dec 2021 21:02:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344305AbhLJVG3 (ORCPT ); Fri, 10 Dec 2021 16:06:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37046 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243297AbhLJVG1 (ORCPT ); Fri, 10 Dec 2021 16:06:27 -0500 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32BC4C061746 for ; Fri, 10 Dec 2021 13:02:52 -0800 (PST) Received: by mail-yb1-xb49.google.com with SMTP id y17-20020a2586d1000000b005f6596e8760so18446901ybm.17 for ; Fri, 10 Dec 2021 13:02:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=zt4KB3dafqgTHRLA9U//R+IbzCQEPW5t7yq7SGqr+Xo=; b=GfezHHA2+faKrb9R8Fqmri7nt/RbHNc54wPwo5bzmu6kHVIQtqav3NWqKu9Hl9GbRO b7W9bohr0fEBqFITWZDDhiyg6rqynnQztLk8au98QHL7FjwBXekPqUMrrHM+Ma+FyAb9 uiFL4OujUj4h2vh3j1rYMThMaeM0SOVJ/KUXOFnjlKJa2V30X1mPXS0+CQncWdA1N4so uuXjjPQn5D9N/E3Yf0PYFQdFQwTbmmrVOvhROtXddYQh0jr3/Wl+feBhUrwXbER8X/cA aSPMjLdELtUtvXZInUZj38Ht4pZaPS+Opy4+Py4GH/kyIe+KKzv+SiLtjX8ApVtjWZBP 4Pmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=zt4KB3dafqgTHRLA9U//R+IbzCQEPW5t7yq7SGqr+Xo=; b=5SyYSma548t0l0fwASeal/AnSnnvCHlS61Lh4yKBlyi8TtNnJ5FkmW8wSlCtxfCwzv gGVyojHRfoAqD0WQ2JLSlhF09oj9EZMYg2Ld6+J63vqRJY3f5u248feHrUWlceNgchW+ zxs7A0tGhqGvyio/e/Ny7PCECccOhNQ/hA3bA9PNL3XnqCCB9FxM4mJlPNZCe2vvmyBV t52FOZg+Fn8Ry+RWd54YrAmQH2XO4zHthGfOCqyOj17TDdbtp+Hrn05w9zUuluM1xwX3 NJYwqtlo0xMYwL3FMsnzPpdslV5B/QUTQpagC/qoAEOSCP3SGcnQLAkm2yAFSX0DwdaB ePgQ== X-Gm-Message-State: AOAM5300Zx7/CUbcGQW+01troxsK6GErsEj2UIgsNzpcQOuqjCD3bDLa OgaCZ06gkGFBm7tDqcnW8OTsWZ8x7Xh8ImTUB/UZKD9h19LwtAVAtOr3vg+51Wy/uUASkNxlwte oZyWW9AAkmCwK81N14Bsc2bDCD95QJH2yvOZWcTXNLK/eMBemFuPdGO5np0XvXMma10e6QK7t X-Google-Smtp-Source: ABdhPJwuEb+MghLJgtscOay7YvBpInPhrnq4pIBNGrmRFmsty8+eScHlz2JNpgg2GaJF/ciwkfLBFnhU0jGp X-Received: from uluru3.svl.corp.google.com ([2620:15c:2cd:202:7416:17a6:6678:d4d5]) (user=eranian job=sendgmr) by 2002:a25:bf8d:: with SMTP id l13mr17039947ybk.713.1639170171401; Fri, 10 Dec 2021 13:02:51 -0800 (PST) Date: Fri, 10 Dec 2021 13:02:17 -0800 In-Reply-To: <20211210210229.2991238-1-eranian@google.com> Message-Id: <20211210210229.2991238-3-eranian@google.com> Mime-Version: 1.0 References: <20211210210229.2991238-1-eranian@google.com> X-Mailer: git-send-email 2.34.1.173.g76aa8bc2d0-goog Subject: [PATCH v4 02/14] x86/cpufeatures: add AMD Fam19h Branch Sampling feature From: Stephane Eranian To: linux-kernel@vger.kernel.org Cc: peterz@infradead.org, kim.phillips@amd.com, acme@redhat.com, jolsa@redhat.com, songliubraving@fb.com, mpe@ellerman.id.au, maddy@linux.ibm.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds a cpu feature for AMD Fam19h Branch Sampling feature as bit 31 of EBX on CPUID leaf function 0x80000008. Signed-off-by: Stephane Eranian --- arch/x86/include/asm/cpufeatures.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index d5b5f2ab87a0..e71443f93f04 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -315,6 +315,7 @@ #define X86_FEATURE_AMD_SSBD (13*32+24) /* "" Speculative Store Bypass Disable */ #define X86_FEATURE_VIRT_SSBD (13*32+25) /* Virtualized Speculative Store Bypass Disable */ #define X86_FEATURE_AMD_SSB_NO (13*32+26) /* "" Speculative Store Bypass is fixed in hardware. */ +#define X86_FEATURE_AMD_BRS (13*32+31) /* Branch Sampling available */ /* Thermal and Power Management Leaf, CPUID level 0x00000006 (EAX), word 14 */ #define X86_FEATURE_DTHERM (14*32+ 0) /* Digital Thermal Sensor */ -- 2.34.1.173.g76aa8bc2d0-goog