From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.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