Re: [PATCH v3 2/9] clocksource: arm_arch_timer: Extend arch_timer_kvm_info to get the virtual IRQ

Julien Grall
2016-03-09T05:52:25Z

Hi Christoffer,

On 09/03/2016 10:27, Christoffer Dall wrote:
> On Tue, Mar 08, 2016 at 11:29:26AM +0000, Julien Grall wrote:
>> diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
>> index b7ab588..d8887f3 100644
>> --- a/drivers/clocksource/arm_arch_timer.c
>> +++ b/drivers/clocksource/arm_arch_timer.c
>> @@ -701,6 +701,8 @@ static void __init arch_timer_common_init(void)
>> arch_timer_banner(arch_timers_present);
>> arch_counter_register(arch_timers_present);
>> arch_timer_arch_init();
>> +
>> + arch_timer_kvm_info.virtual_irq = arch_timer_ppi[VIRT_PPI];
>
> why is this in common_init and not just in init?

I thought we wanted to initialize virtual_irq for both the system
registers timer and the memory timer. Although, as talked IRL, KVM
mandates system registers timer. So I will initialize the virtual_irq in
arch_timer_init.

Cheers,

--
Julien Grall