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=-0.9 required=3.0 tests=DATE_IN_PAST_96_XX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 6474CC169C4 for ; Tue, 29 Jan 2019 07:06:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 36F252177E for ; Tue, 29 Jan 2019 07:06:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726383AbfA2HG2 (ORCPT ); Tue, 29 Jan 2019 02:06:28 -0500 Received: from mga01.intel.com ([192.55.52.88]:44929 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725446AbfA2HG2 (ORCPT ); Tue, 29 Jan 2019 02:06:28 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Jan 2019 23:06:27 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,536,1539673200"; d="scan'208";a="129738090" Received: from vmm.bj.intel.com ([10.240.192.123]) by orsmga002.jf.intel.com with ESMTP; 28 Jan 2019 23:06:24 -0800 From: Luwei Kang To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, x86@kernel.org, songliubraving@fb.com, pbonzini@redhat.com, rkrcmar@redhat.com, peterz@infradead.org, zsm@chromium.org, alexander.shishkin@linux.intel.com, konrad.wilk@oracle.com, ak@linux.intel.com, Luwei Kang Subject: [PATCH 0/3] Inject a PMI for KVM Guest when ToPA buffer is filled Date: Sat, 19 Jan 2019 15:04:41 -0500 Message-Id: <1547928284-2915-1-git-send-email-luwei.kang@intel.com> X-Mailer: git-send-email 1.8.3.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Each intel processor trace table of physical addresses (ToPA) entry has an INT bit. If this bit is set, the processor will signal a performance-monitoring interrupt (PMI) when the corresponding trace output region is filled. This patch set will inject a PMI for Intel Processor Trace when ToPA buffer is filled. Luwei Kang (3): perf/x86/intel/pt: Move pt structure to global header perf/x86/intel/pt: Inject PMI for KVM guest KVM: x86: Add support of clear Trace_ToPA_PMI status arch/x86/events/intel/pt.c | 12 +++++++++++- arch/x86/events/intel/pt.h | 38 ------------------------------------- arch/x86/include/asm/intel_pt.h | 41 ++++++++++++++++++++++++++++++++++++++++ arch/x86/include/asm/kvm_host.h | 1 + arch/x86/include/asm/msr-index.h | 8 ++++++++ arch/x86/kvm/vmx/pmu_intel.c | 8 +++++++- arch/x86/kvm/x86.h | 6 ++++++ 7 files changed, 74 insertions(+), 40 deletions(-) -- 1.8.3.1