Re: [PATCH v2 22/29] LoongArch: KVM: Implement handle idle exception

From: Tianrui Zhao
Date: Tue Feb 21 2023 - 04:48:56 EST




在 2023年02月21日 02:40, Paolo Bonzini 写道:
On 2/20/23 07:57, Tianrui Zhao wrote:
+int _kvm_emu_idle(struct kvm_vcpu *vcpu)
+{
+ ++vcpu->stat.idle_exits;
+ trace_kvm_exit(vcpu, KVM_TRACE_EXIT_IDLE);

Please add a separate tracepoint, don't overload trace_kvm_exit().

Likewise for _kvm_trap_handle_gspr().

I think _kvm_trap_handle_gspr() should have a tracepoint whose parameter is inst.word.

Thanks, I will add the tracepoint for _kvm_emu_idle and _kvm_trap_handle_gspr.

Thanks
Tianrui Zhao


Paolo

+ if (!vcpu->arch.irq_pending) {
+ kvm_save_timer(vcpu);
+ kvm_vcpu_block(vcpu);
+ }
+
+ return EMULATE_DONE;