Re: [PATCH v4 15/17] KVM: arm64: Hide kvm_arm_pmu_available behind... | linux-perf-users

[PATCH v4 00/17] perf: KVM: Fix, optimize, and clean up callbacks · Sean Christopherson <seanjc@google.com> · 2021-11-11
[PATCH v4 01/17] perf: Protect perf_guest_cbs with RCU · Sean Christopherson <seanjc@google.com> · 2021-11-11
Re: [PATCH v4 01/17] perf: Protect perf_guest_cbs with RCU · Paolo Bonzini <pbonzini@redhat.com> · 2021-11-11
Re: [PATCH v4 01/17] perf: Protect perf_guest_cbs with RCU · Peter Zijlstra <peterz@infradead.org> · 2021-11-11
Re: [PATCH v4 01/17] perf: Protect perf_guest_cbs with RCU · Paolo Bonzini <pbonzini@redhat.com> · 2021-11-12
[PATCH v4 02/17] KVM: x86: Register perf callbacks after calling vendor's hardware_setup() · Sean Christopherson <seanjc@google.com> · 2021-11-11
[PATCH v4 04/17] perf: Stop pretending that perf can handle multiple guest callbacks · Sean Christopherson <seanjc@google.com> · 2021-11-11
[PATCH v4 03/17] KVM: x86: Register Processor Trace interrupt hook iff PT enabled in guest · Sean Christopherson <seanjc@google.com> · 2021-11-11
[PATCH v4 05/17] perf: Drop dead and useless guest "support" from arm, csky, nds32 and riscv · Sean Christopherson <seanjc@google.com> · 2021-11-11
[PATCH v4 06/17] perf/core: Rework guest callbacks to prepare for static_call support · Sean Christopherson <seanjc@google.com> · 2021-11-11
[PATCH v4 07/17] perf: Add wrappers for invoking guest callbacks · Sean Christopherson <seanjc@google.com> · 2021-11-11
[PATCH v4 08/17] perf: Force architectures to opt-in to guest callbacks · Sean Christopherson <seanjc@google.com> · 2021-11-11
[PATCH v4 09/17] perf/core: Use static_call to optimize perf_guest_info_callbacks · Sean Christopherson <seanjc@google.com> · 2021-11-11
[PATCH v4 10/17] KVM: x86: Drop current_vcpu for kvm_running_vcpu + kvm_arch_vcpu variable · Sean Christopherson <seanjc@google.com> · 2021-11-11
[PATCH v4 11/17] KVM: x86: More precisely identify NMI from guest when handling PMI · Sean Christopherson <seanjc@google.com> · 2021-11-11
[PATCH v4 12/17] KVM: Move x86's perf guest info callbacks to generic KVM · Sean Christopherson <seanjc@google.com> · 2021-11-11
[PATCH v4 13/17] KVM: x86: Move Intel Processor Trace interrupt handler to vmx.c · Sean Christopherson <seanjc@google.com> · 2021-11-11
[PATCH v4 14/17] KVM: arm64: Convert to the generic perf callbacks · Sean Christopherson <seanjc@google.com> · 2021-11-11
[PATCH v4 15/17] KVM: arm64: Hide kvm_arm_pmu_available behind CONFIG_HW_PERF_EVENTS=y · Sean Christopherson <seanjc@google.com> · 2021-11-11
Re: [PATCH v4 15/17] KVM: arm64: Hide kvm_arm_pmu_available behind CONFIG_HW_PERF_EVENTS=y · Marc Zyngier <maz@kernel.org> · 2021-11-11
[PATCH v4 16/17] KVM: arm64: Drop perf.c and fold its tiny bits of code into arm.c · Sean Christopherson <seanjc@google.com> · 2021-11-11
Re: [PATCH v4 16/17] KVM: arm64: Drop perf.c and fold its tiny bits of code into arm.c · Marc Zyngier <maz@kernel.org> · 2021-11-11
[PATCH v4 17/17] perf: Drop guest callback (un)register stubs · Sean Christopherson <seanjc@google.com> · 2021-11-11
Re: [PATCH v4 00/17] perf: KVM: Fix, optimize, and clean up callbacks · Peter Zijlstra <peterz@infradead.org> · 2021-11-11

Re: [PATCH v4 15/17] KVM: arm64: Hide kvm_arm_pmu_available behind CONFIG_HW_PERF_EVENTS=y

From: Marc Zyngier <maz@kernel.org>
Date: 2021-11-11 21:49:18
Also in: kvm, kvmarm, linux-arm-kernel, linux-riscv, lkml, xen-devel

On Thu, 11 Nov 2021 02:07:36 +0000,
Sean Christopherson [off-list ref] wrote:

Move the definition of kvm_arm_pmu_available to pmu-emul.c and, out of
"necessity", hide it behind CONFIG_HW_PERF_EVENTS.  Provide a stub for
the key's wrapper, kvm_arm_support_pmu_v3().  Moving the key's definition
out of perf.c will allow a future commit to delete perf.c entirely.

Signed-off-by: Sean Christopherson <seanjc@google.com>

Reviewed-by: Marc Zyngier <maz@kernel.org>

	M.

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