diff options
| author | Sean Christopherson <seanjc@google.com> | 2021-11-11 03:07:35 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-11-17 14:49:11 +0100 |
| commit | 7b517831a1c6aceb0821860edb9c7bc7d4f803a2 (patch) | |
| tree | ff4ace2e7b92e5dabeb67e5d97daa84160d54933 /arch | |
| parent | KVM: x86: Move Intel Processor Trace interrupt handler to vmx.c (diff) | |
| download | linux-7b517831a1c6aceb0821860edb9c7bc7d4f803a2.tar.xz linux-7b517831a1c6aceb0821860edb9c7bc7d4f803a2.zip | |
KVM: arm64: Convert to the generic perf callbacks
Drop arm64's version of the callbacks in favor of the callbacks provided
by generic KVM, which are semantically identical.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211111020738.2512932-15-seanjc@google.com
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/kvm/perf.c | 34 |
1 files changed, 2 insertions, 32 deletions
diff --git a/arch/arm64/kvm/perf.c b/arch/arm64/kvm/perf.c index dfa9bce8559e..374c496a3f1d 100644 --- a/arch/arm64/kvm/perf.c +++ b/arch/arm64/kvm/perf.c @@ -13,42 +13,12 @@ DEFINE_STATIC_KEY_FALSE(kvm_arm_pmu_available); -static unsigned int kvm_guest_state(void) -{ - struct kvm_vcpu *vcpu = kvm_get_running_vcpu(); - unsigned int state; - - if (!vcpu) - return 0; - - state = PERF_GUEST_ACTIVE; - if (!vcpu_mode_priv(vcpu)) - state |= PERF_GUEST_USER; - - return state; -} - -static unsigned long kvm_get_guest_ip(void) -{ - struct kvm_vcpu *vcpu = kvm_get_running_vcpu(); - - if (WARN_ON_ONCE(!vcpu)) - return 0; - - return *vcpu_pc(vcpu); -} - -static struct perf_guest_info_callbacks kvm_guest_cbs = { - .state = kvm_guest_state, - .get_ip = kvm_get_guest_ip, -}; - void kvm_perf_init(void) { - perf_register_guest_info_callbacks(&kvm_guest_cbs); + kvm_register_perf_callbacks(NULL); } void kvm_perf_teardown(void) { - perf_unregister_guest_info_callbacks(&kvm_guest_cbs); + kvm_unregister_perf_callbacks(); } |