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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 194C5C3A5A7 for ; Tue, 6 Dec 2022 08:30:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233904AbiLFIaY (ORCPT ); Tue, 6 Dec 2022 03:30:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56502 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233865AbiLFIaM (ORCPT ); Tue, 6 Dec 2022 03:30:12 -0500 Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3961713E3A; Tue, 6 Dec 2022 00:30:07 -0800 (PST) Received: by mail-pj1-x102a.google.com with SMTP id k88-20020a17090a4ce100b00219d0b857bcso5471066pjh.1; Tue, 06 Dec 2022 00:30:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=CfGTpsEAU1sXOAt6OGjHmhhyP7PzExvQ+0gPINOh2xc=; b=P21jlRXL2QJU7i6t7mUF/MddXtJ1jdJoMOqBI33hjcHohQ8vO/IgdyHqYPshiuo8xI xuF5XDfe23o4J5zg4bWVPPsBrGhCZt9xcBitCiUViJv5UPmb9SpK++VUZBDLml1+wjqM dArieJpP/mLNpkbuXOHogdGtFGDL5eYCXaCBVC4qYwGWiioYZvlwvqK0uR/cex14lSIL SfHcyILIlOMW10I+kylESRVvSv18j1R1DJO2xqhCNos7/9Im1h2XANJSGi/tUqtOE+nm AEnF2NBSOluAeVTW+xLXbtJ2Il6+XWxpIMTkBSlJjf3/uSNLBEwnPCPQhEM01yht0ATm WEfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=CfGTpsEAU1sXOAt6OGjHmhhyP7PzExvQ+0gPINOh2xc=; b=pdrPCnM1Ym3XozWVIXqqf4vsEBF1ZXA8aP5+YgRAn1tQ/+wgIj9SPNPqImLQNS5A+C FieyBIqntUcYfAO08hyrmoGF5T00r1HykelqU91BF5/BI+M7ie1Lf8iFKXvlg9eSrxuz U8vJGCjsrKu5d50VpekKB8vT9LGQX4jAKN6ZBcg1p812BnEomS9wXMO++DmSdYHuXDcc ssXXU4v/SJsRhoBcyJtPPEsDZuaqhL2u0JuRN3dQTVeYdCGChhdClOP/WJXMbkmCeU1m pQwwB5mYGQbn8nZON5cP+Gs2BNqgn/oijaEuwxLRi65djZly09lw36qXs9Lbpi+QnquL 9RbA== X-Gm-Message-State: ANoB5pkFN06RLzRG6iQavHSbtVo6X92E9dV3lr3OEChsmL/sqgbIkEOu FsnOvn53fX2bgt5KF7c+vYCHe8a4BG6PsQ== X-Google-Smtp-Source: AA0mqf7hVk5IoV7zaNKKIFAsMfYxtXj9MvXvwiOqbnkDIgShyEKbQzzQRAG/tjmUFyOYMmA7KSZHPQ== X-Received: by 2002:a17:902:f609:b0:188:a8a2:f43a with SMTP id n9-20020a170902f60900b00188a8a2f43amr79665791plg.130.1670315406501; Tue, 06 Dec 2022 00:30:06 -0800 (PST) Received: from localhost.localdomain ([103.7.29.32]) by smtp.gmail.com with ESMTPSA id h15-20020a056a00000f00b00574d38f4d37sm11203330pfk.45.2022.12.06.00.30.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Dec 2022 00:30:05 -0800 (PST) From: Like Xu X-Google-Original-From: Like Xu To: Paolo Bonzini Cc: Sean Christopherson , linux-kernel@vger.kernel.org, kvm@vger.kernel.org Subject: [PATCH RESEND v3 0/3] KVM: x86/pmu: Enable guest PEBS for SPR and later models Date: Tue, 6 Dec 2022 16:29:41 +0800 Message-Id: <20221206082944.59837-1-likexu@tencent.com> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Finally, SPR will go live in early 2023. Virtualization support for SPR PEBS (kvm.x86.vpmu.pebs_ept) has officially available in the Intel SDM (June 2022), and this patch set is validated on a late stepping machine. Let's see if this new rebased revision will satisfy everyone's appetite. Previous: V3: https://lore.kernel.org/kvm/20221109082802.27543-1-likexu@tencent.com/ V2: https://lore.kernel.org/kvm/20220922051929.89484-1-likexu@tencent.com/ V2 -> V3 Changelog: - Add more commit message about the pdit/pdir stuff; (Sean) - Refine confusing comments on event precise level and TNT+; (Sean) - Use pmc_get_pebs_precise_level() instead of need_max_precise(); (Sean) - Move HYBRID_CPU change in a separate patch; (Sean) - Land KVM changes before perf core changes; (Sean) - Aalign code indentation; (Sean) // VScode is quite good for kernel dev. Like Xu (3): KVM: x86/pmu: Disable guest PEBS on hybird cpu due to heterogeneity KVM: x86/pmu: Add PRIR++ and PDist support for SPR and later models perf/x86/intel: Expose EPT-friendly PEBS for SPR and future models arch/x86/events/intel/core.c | 1 + arch/x86/events/intel/ds.c | 4 ++- arch/x86/kvm/pmu.c | 45 ++++++++++++++++++++++++--------- arch/x86/kvm/vmx/capabilities.h | 4 ++- 4 files changed, 40 insertions(+), 14 deletions(-) -- 2.38.1