[PATCH 0/2] Use static_call for kvm_x86_ops

Jason Baron
2021-01-11T17:20:41Z

Hi,

Convert kvm_x86_ops to use static_call. Shows good performance
gains for cpuid loop micro-benchmark (resulsts included in patch 2).

Thanks,

-Jason

Jason Baron (2):
KVM: x86: introduce definitions to support static calls for kvm_x86_ops
KVM: x86: use static calls to reduce kvm_x86_ops overhead

arch/x86/include/asm/kvm_host.h | 71 +++++++++-
arch/x86/kvm/cpuid.c | 2 +-
arch/x86/kvm/hyperv.c | 4 +-
arch/x86/kvm/irq.c | 2 +-
arch/x86/kvm/kvm_cache_regs.h | 10 +-
arch/x86/kvm/lapic.c | 28 ++--
arch/x86/kvm/mmu.h | 6 +-
arch/x86/kvm/mmu/mmu.c | 12 +-
arch/x86/kvm/mmu/spte.c | 2 +-
arch/x86/kvm/pmu.c | 2 +-
arch/x86/kvm/trace.h | 4 +-
arch/x86/kvm/x86.c | 299 ++++++++++++++++++++--------------------
arch/x86/kvm/x86.h | 6 +-
13 files changed, 259 insertions(+), 189 deletions(-)

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2.7.4