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=-0.5 required=3.0 tests=DATE_IN_FUTURE_12_24, 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 791F0C43381 for ; Mon, 18 Feb 2019 11:26:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4D9982147C for ; Mon, 18 Feb 2019 11:26:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729455AbfBRL0s (ORCPT ); Mon, 18 Feb 2019 06:26:48 -0500 Received: from mga18.intel.com ([134.134.136.126]:35783 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727423AbfBRL0s (ORCPT ); Mon, 18 Feb 2019 06:26:48 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 Feb 2019 03:26:47 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,384,1544515200"; d="scan'208";a="275885427" Received: from vmm.bj.intel.com ([10.240.192.123]) by orsmga004.jf.intel.com with ESMTP; 18 Feb 2019 03:26:43 -0800 From: Luwei Kang To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, x86@kernel.org, pbonzini@redhat.com, rkrcmar@redhat.com, peterz@infradead.org, acme@kernel.org, alexander.shishkin@linux.intel.com, jolsa@redhat.com, namhyung@kernel.org, kan.liang@linux.intel.com, ak@linux.intel.com, konrad.wilk@oracle.com, Janakarajan.Natarajan@amd.com, mattst88@gmail.com, tim.c.chen@linux.intel.com, Luwei Kang Subject: [PATCH v2 0/2] Inject a PMI for KVM Guest when ToPA buffer is filled Date: Mon, 18 Feb 2019 19:26:06 -0500 Message-Id: <1550535968-7652-1-git-send-email-luwei.kang@intel.com> X-Mailer: git-send-email 1.8.3.1 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. >>From v1: - Exported a global function pointers may not a good chioce. Add a new member in kvm_guest_cbs to send Intel PT PMI for KVM guest. Luwei Kang (2): KVM: x86: Inject PMI for KVM guest KVM: x86: Add support of clear Trace_ToPA_PMI status arch/x86/events/intel/core.c | 6 +++++- 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.c | 10 ++++++++++ include/linux/perf_event.h | 1 + 6 files changed, 32 insertions(+), 2 deletions(-) -- 1.8.3.1