diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index e8fb4b0394af..13e10b970ac8 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -1306,6 +1306,7 @@ struct kvm_x86_init_ops { int (*disabled_by_bios)(void); int (*check_processor_compatibility)(void); int (*hardware_setup)(void); + bool (*intel_pt_intr_in_guest)(void); struct kvm_x86_ops *runtime_ops; }; diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 38c453f28f1f..351ef5cf1436 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -7915,6 +7915,7 @@ static struct kvm_x86_init_ops vmx_init_ops __initdata = { .disabled_by_bios = vmx_disabled_by_bios, .check_processor_compatibility = vmx_check_processor_compat, .hardware_setup = hardware_setup, + .intel_pt_intr_in_guest = vmx_pt_mode_is_host_guest, .runtime_ops = &vmx_x86_ops, }; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 4f828cac0273..879f743f7ff1 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -7882,7 +7882,7 @@ static struct perf_guest_info_callbacks kvm_guest_cbs = { .is_in_guest = kvm_is_in_guest, .is_user_mode = kvm_is_user_mode, .get_guest_ip = kvm_get_guest_ip, - .handle_intel_pt_intr = kvm_handle_intel_pt_intr, + .handle_intel_pt_intr = NULL, }; #ifdef CONFIG_X86_64 @@ -8005,6 +8005,8 @@ int kvm_arch_init(void *opaque) PT_PRESENT_MASK, 0, sme_me_mask); kvm_timer_init(); + if (ops->intel_pt_intr_in_guest && ops->intel_pt_intr_in_guest()) + kvm_guest_cbs.handle_intel_pt_intr = kvm_handle_intel_pt_intr; perf_register_guest_info_callbacks(&kvm_guest_cbs); if (boot_cpu_has(X86_FEATURE_XSAVE)) { @@ -8042,6 +8044,7 @@ void kvm_arch_exit(void) #endif kvm_lapic_exit(); perf_unregister_guest_info_callbacks(&kvm_guest_cbs); + kvm_guest_cbs.handle_intel_pt_intr = NULL; if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC)) cpufreq_unregister_notifier(&kvmclock_cpufreq_notifier_block,