From cc167bd7ee99c38615da04bdadb67390eef093b5 Mon Sep 17 00:00:00 2001 From: Sean Christopherson Date: Wed, 23 Sep 2020 13:13:48 -0700 Subject: [PATCH] KVM: x86: Use common definition for kvm_nested_vmexit tracepoint Use the newly introduced TRACE_EVENT_KVM_EXIT to define the guts of kvm_nested_vmexit so that it captures and prints the same information as kvm_exit. This has the bonus side effect of fixing the interrupt info and error code printing for the case where they're invalid, e.g. if the exit was a failed VM-Entry. This also sets the stage for retrieving EXIT_QUALIFICATION and VM_EXIT_INTR_INFO in nested_vmx_reflect_vmexit() if and only if the VM-Exit is being routed to L1. Signed-off-by: Sean Christopherson Message-Id: <20200923201349.16097-7-sean.j.christopherson@intel.com> Signed-off-by: Paolo Bonzini --- arch/x86/kvm/svm/svm.c | 7 +------ arch/x86/kvm/trace.h | 34 +--------------------------------- arch/x86/kvm/vmx/nested.c | 5 +---- 3 files changed, 3 insertions(+), 43 deletions(-) diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index eb0a97d..ecefec4 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -2996,12 +2996,7 @@ static int handle_exit(struct kvm_vcpu *vcpu, fastpath_t exit_fastpath) if (is_guest_mode(vcpu)) { int vmexit; - trace_kvm_nested_vmexit(vcpu, exit_code, - svm->vmcb->control.exit_info_1, - svm->vmcb->control.exit_info_2, - svm->vmcb->control.exit_int_info, - svm->vmcb->control.exit_int_info_err, - KVM_ISA_SVM); + trace_kvm_nested_vmexit(exit_code, vcpu, KVM_ISA_SVM); vmexit = nested_svm_exit_special(svm); diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index f1d8461..aef960f 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -586,39 +586,7 @@ TRACE_EVENT(kvm_nested_intercepts, /* * Tracepoint for #VMEXIT while nested */ -TRACE_EVENT(kvm_nested_vmexit, - TP_PROTO(struct kvm_vcpu *vcpu, __u32 exit_code, - __u64 exit_info1, __u64 exit_info2, - __u32 exit_int_info, __u32 exit_int_info_err, __u32 isa), - TP_ARGS(vcpu, exit_code, exit_info1, exit_info2, - exit_int_info, exit_int_info_err, isa), - - TP_STRUCT__entry( - __field( __u64, rip ) - __field( __u32, exit_code ) - __field( __u64, exit_info1 ) - __field( __u64, exit_info2 ) - __field( __u32, exit_int_info ) - __field( __u32, exit_int_info_err ) - __field( __u32, isa ) - ), - - TP_fast_assign( - __entry->rip = kvm_rip_read(vcpu); - __entry->exit_code = exit_code; - __entry->exit_info1 = exit_info1; - __entry->exit_info2 = exit_info2; - __entry->exit_int_info = exit_int_info; - __entry->exit_int_info_err = exit_int_info_err; - __entry->isa = isa; - ), - TP_printk("rip: 0x%016llx reason: %s%s%s ext_inf1: 0x%016llx " - "ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x", - __entry->rip, - kvm_print_exit_reason(__entry->exit_code, __entry->isa), - __entry->exit_info1, __entry->exit_info2, - __entry->exit_int_info, __entry->exit_int_info_err) -); +TRACE_EVENT_KVM_EXIT(kvm_nested_vmexit); /* * Tracepoint for #VMEXIT reinjected to the guest diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 4e3c620f..632b52e 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -5937,10 +5937,7 @@ bool nested_vmx_reflect_vmexit(struct kvm_vcpu *vcpu) exit_intr_info = vmx_get_intr_info(vcpu); exit_qual = vmx_get_exit_qual(vcpu); - trace_kvm_nested_vmexit(vcpu, exit_reason, exit_qual, - vmx->idt_vectoring_info, exit_intr_info, - vmcs_read32(VM_EXIT_INTR_ERROR_CODE), - KVM_ISA_VMX); + trace_kvm_nested_vmexit(exit_reason, vcpu, KVM_ISA_VMX); /* If L0 (KVM) wants the exit, it trumps L1's desires. */ if (nested_vmx_l0_wants_exit(vcpu, exit_reason)) -- 2.7.4