Re: [PATCH v2] KVM: x86: cleanup the page tracking SRCU instance

From: Paolo Bonzini
Date: Tue Mar 28 2017 - 08:07:10 EST




On 28/03/2017 13:25, Xiao Guangrong wrote:
>
>
> On 28/03/2017 5:40 PM, Paolo Bonzini wrote:
>
>> void kvm_page_track_init(struct kvm *kvm)
>> {
>> struct kvm_page_track_notifier_head *head;
>> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
>> index 64697fe475c3..f2379673912a 100644
>> --- a/arch/x86/kvm/x86.c
>> +++ b/arch/x86/kvm/x86.c
>> @@ -8070,6 +8070,7 @@ void kvm_arch_sync_events(struct kvm *kvm)
>> cancel_delayed_work_sync(&kvm->arch.kvmclock_update_work);
>> kvm_free_all_assigned_devices(kvm);
>> kvm_free_pit(kvm);
>> + kvm_page_track_cleanup(kvm);
>> }
>
> Moving it to kvm_arch_destroy_vm() is better as the init
> function is called in kvm_arch_init_vm().

That's fine too, thanks!.

Paolo

> Otherwise it looks great to me:
> Reviewed-by: Xiao Guangrong <xiaoguangrong.eric@xxxxxxxxx>
>
> Thanks for the fix.