2014-10-31 12:05-0400, Wei Huang: > Currently KVM only supports vPMU for Intel platforms. This patch set > enable vPMU support for AMD platform by creating a common PMU > interface for x86. The PMU calls from guest VMs are dispatched > to corresponding functions defined in arch specific files. The functionality looks good, so I just want verify the basic design: why don't we emulate AMD PMU on Intel, and vice versa? (Underlying PERF_COUNTs are identical in both.) > V1: > * Adopt the file layout suggested by Radim Krčmář (I'll still advocate for more separation, sorry.) > * Link arch module with its specific PMU file > > RFC: > * Initial version for RFC > > Wei Huang (4): > KVM: x86/vPMU: Define kvm_pmu_ops to support vPMU function dispatch > KVM: x86/vPMU: Convert pmu.c code into Intel specific code > KVM: x86/vPMU: Implement AMD PMU support for KVM > KVM: x86/vPMU: Enable PMU handling for AMD PERFCTRn and EVNTSELn MSRs > > arch/x86/include/asm/kvm_host.h | 52 ++-- > arch/x86/kvm/Makefile | 6 +- > arch/x86/kvm/cpuid.c | 2 +- > arch/x86/kvm/lapic.c | 1 + > arch/x86/kvm/pmu.c | 576 --------------------------------------- > arch/x86/kvm/pmu_amd.c | 390 ++++++++++++++++++++++++++ > arch/x86/kvm/pmu_intel.c | 586 ++++++++++++++++++++++++++++++++++++++++ > arch/x86/kvm/svm.c | 7 + > arch/x86/kvm/vmx.c | 7 + > arch/x86/kvm/x86.c | 74 ++--- > 10 files changed, 1070 insertions(+), 631 deletions(-) > delete mode 100644 arch/x86/kvm/pmu.c > create mode 100644 arch/x86/kvm/pmu_amd.c > create mode 100644 arch/x86/kvm/pmu_intel.c > > -- > 1.8.3.1 > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
