On 07/23/2012 11:04 AM, Bhushan Bharat-R65777 wrote: > > >> -----Original Message----- >> From: Wood Scott-B07421 >> Sent: Monday, July 23, 2012 9:31 PM >> To: Bhushan Bharat-R65777 >> Cc: Wood Scott-B07421; kvm-ppc@xxxxxxxxxxxxxxx; kvm@xxxxxxxxxxxxxxx; >> agraf@xxxxxxx >> Subject: Re: [PATCH 2/2 v5] KVM: PPC: booke: Add watchdog emulation >> >> On 07/23/2012 10:43 AM, Bhushan Bharat-R65777 wrote: >>> >>> >>>> -----Original Message----- >>>> From: Wood Scott-B07421 >>>> Sent: Monday, July 23, 2012 9:02 PM >>>> To: Bhushan Bharat-R65777 >>>> Cc: Wood Scott-B07421; kvm-ppc@xxxxxxxxxxxxxxx; kvm@xxxxxxxxxxxxxxx; >>>> agraf@xxxxxxx >>>> Subject: Re: [PATCH 2/2 v5] KVM: PPC: booke: Add watchdog emulation >>>> >>>> On 07/22/2012 11:10 PM, Bhushan Bharat-R65777 wrote: >>>>>>> @@ -386,13 +387,23 @@ int kvm_arch_vcpu_init(struct kvm_vcpu >>>>>>> *vcpu) #ifdef CONFIG_KVM_EXIT_TIMING >>>>>>> mutex_init(&vcpu->arch.exit_timing_lock); >>>>>>> #endif >>>>>>> - >>>>>>> +#ifdef CONFIG_BOOKE >>>>>>> + spin_lock_init(&vcpu->arch.wdt_lock); >>>>>>> + /* setup watchdog timer once */ >>>>>>> + setup_timer(&vcpu->arch.wdt_timer, kvmppc_watchdog_func, >>>>>>> + (unsigned long)vcpu); >>>>>>> +#endif >>>>>>> return 0; >>>>>>> } >>>>>> >>>>>> Can you do this in kvmppc_booke_init()? >>>>> >>>>> I do not think we can do this in kvmppc_booke_init(). Watchdog have >>>>> association with vcpu, while there is no vcpu at kvmppc_booke_init(). >>>> >>>> Sorry, I meant kvm_arch_vcpu_setup() in booke.c. >>> >>> Any specific reason to move this in above mentioned function? Want to avoid >> #ifdef config_booke ? >> >> Yes, to avoid the ifdef. We already have a (poorly named) place for booke- >> specific vcpu init. > > Where we want to delete watchdog timer? > > Kvm_arch_vcpu_setup() is in flow of CREATE_VCPU ioctl, I do not see DESTROY_VCPU type of code? > > So is it ok to let del_timer_sync() as is with #ifdef config_booke ? You could add such a function. I suggest correcting the naming issue at the same time -- have kvm_subarch_vcpu_init() and kvm_subarch_vcpu_free(). -Scott -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
