From: Jason Baron <jbaron@akamai.com>
To: pbonzini@redhat.com, seanjc@google.com
Cc: kvm@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 0/3] Use static_call for kvm_x86_ops
Date: Thu, 14 Jan 2021 22:27:53 -0500 [thread overview]
Message-ID: <cover.1610680941.git.jbaron@akamai.com> (raw)
Hi,
Convert kvm_x86_ops to use static_call. Shows good performance
gains for cpuid loop micro-benchmark (results in patch 3/3).
Thanks,
-Jason
Changes from v1:
-Introduce kvm-x86-ops header with eye towards using this to define
svm_x86_ops and vmx_x86_ops in follow on patches (Paolo, Sean)
-add new patch (1/3), that adds a vmx/svm prefix to help facilitate
svm_x86_ops and vmx_x86_ops future conversions.
-added amd perf numbres to description of patch 3/3
Jason Baron (3):
KVM: X86: append vmx/svm prefix to additional kvm_x86_ops functions
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-x86-ops.h | 127 +++++++++++++++
arch/x86/include/asm/kvm_host.h | 21 ++-
arch/x86/kvm/cpuid.c | 2 +-
arch/x86/kvm/hyperv.c | 4 +-
arch/x86/kvm/irq.c | 3 +-
arch/x86/kvm/kvm_cache_regs.h | 10 +-
arch/x86/kvm/lapic.c | 30 ++--
arch/x86/kvm/mmu.h | 6 +-
arch/x86/kvm/mmu/mmu.c | 15 +-
arch/x86/kvm/mmu/spte.c | 2 +-
arch/x86/kvm/pmu.c | 2 +-
arch/x86/kvm/svm/svm.c | 20 +--
arch/x86/kvm/trace.h | 4 +-
arch/x86/kvm/vmx/nested.c | 2 +-
arch/x86/kvm/vmx/vmx.c | 30 ++--
arch/x86/kvm/vmx/vmx.h | 2 +-
arch/x86/kvm/x86.c | 307 +++++++++++++++++++------------------
arch/x86/kvm/x86.h | 6 +-
18 files changed, 369 insertions(+), 224 deletions(-)
create mode 100644 arch/x86/include/asm/kvm-x86-ops.h
--
2.7.4
next reply other threads:[~2021-01-15 3:31 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-15 3:27 Jason Baron [this message]
2021-01-15 3:27 ` [PATCH v2 1/3] KVM: X86: append vmx/svm prefix to additional kvm_x86_ops functions Jason Baron
2021-01-15 9:22 ` Peter Zijlstra
2021-01-15 15:05 ` Jason Baron
2021-01-15 3:27 ` [PATCH v2 2/3] KVM: x86: introduce definitions to support static calls for kvm_x86_ops Jason Baron
2021-01-15 9:26 ` Peter Zijlstra
2021-01-15 13:50 ` Paolo Bonzini
2021-01-15 15:03 ` Jason Baron
2021-01-15 3:27 ` [PATCH v2 3/3] KVM: x86: use static calls to reduce kvm_x86_ops overhead Jason Baron
2021-01-15 9:45 ` Peter Zijlstra
2021-01-15 9:53 ` Peter Zijlstra
2021-01-15 9:54 ` Peter Zijlstra
2021-01-15 13:56 ` Paolo Bonzini
2021-01-26 16:47 ` [PATCH v2 0/3] Use static_call for kvm_x86_ops Paolo Bonzini
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