Re: [PATCH] kvmtool/arm: add support for vGICv3 and vITS

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Hi Andre,

On 02/11/16 12:18, Andre Przywara wrote:
> Hi Vladimir,
> 
> thanks for looking at this.
> 
> ....
> 
> On 02/11/16 11:56, Vladimir Murzin wrote:
>> KVM/arm got support for vGICv3 and vITS recently, so make use of it.
>>
>> Signed-off-by: Vladimir Murzin <vladimir.murzin@xxxxxxx>
>> ---
>>
>> This patch is against its/v8 branch at [1]
>>
>> [1] git://www.linux-arm.org/kvmtool.git
>>
>>  arm/aarch32/arm-cpu.c              |    2 +-
>>  arm/aarch32/include/kvm/kvm-arch.h |    4 ++--
>>  2 files changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/arm/aarch32/arm-cpu.c b/arm/aarch32/arm-cpu.c
>> index 27a8e17..16bba55 100644
>> --- a/arm/aarch32/arm-cpu.c
>> +++ b/arm/aarch32/arm-cpu.c
>> @@ -12,7 +12,7 @@ static void generate_fdt_nodes(void *fdt, struct kvm *kvm)
>>  {
>>  	int timer_interrupts[4] = {13, 14, 11, 10};
>>  
>> -	gic__generate_fdt_nodes(fdt, IRQCHIP_GICV2);
>> +	gic__generate_fdt_nodes(fdt, kvm->cfg.arch.irqchip);
>>  	timer__generate_fdt_nodes(fdt, kvm, timer_interrupts);
>>  }
>>  
>> diff --git a/arm/aarch32/include/kvm/kvm-arch.h b/arm/aarch32/include/kvm/kvm-arch.h
>> index 1632e3c..99231f6 100644
>> --- a/arm/aarch32/include/kvm/kvm-arch.h
>> +++ b/arm/aarch32/include/kvm/kvm-arch.h
>> @@ -1,8 +1,8 @@
>>  #ifndef KVM__KVM_ARCH_H
>>  #define KVM__KVM_ARCH_H
>>  
>> -#define ARM_GIC_DIST_SIZE	0x1000
>> -#define ARM_GIC_CPUI_SIZE	0x2000
>> +#define ARM_GIC_DIST_SIZE	0x100000
>> +#define ARM_GIC_CPUI_SIZE	0x200000
> 
> Is there a spare 0 in there? I guess 64K & 128K are sufficient and we
> don't need 1MB and 2MB, respectively?

Fat fingers :( Thanks for spotting this!

> 
> Given that you meant this the #define's for both aarch32 and aarch64 are
> now the same, so we can remove the definition above and in the
> respective aarch64 header file and put them into arm-common/kvm-arch.h
> instead.

Sending v2 shortly.

Cheers
Vladimir

> 
> Cheers,
> Andre.
> 
>>  
>>  #define ARM_KERN_OFFSET(...)	0x8000
>>  
>>
> 

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