Re: [PATCH 4/4] KVM: arm64: selftest: vgic-v3: Add basic GICv3 sysreg userspace access test

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> On Jul 23, 2025, at 17:15, Marc Zyngier <maz@xxxxxxxxxx> wrote:
> 
> On Wed, 23 Jul 2025 06:00:40 +0100,
> Itaru Kitayama <itaru.kitayama@xxxxxxxxx> wrote:
>> 
>> On Fri, Jul 18, 2025 at 12:11:54PM +0100, Marc Zyngier wrote:
>>> We have a lot of more or less useful vgic tests, but none of them
>>> tracks the availability of GICv3 system registers, which is a bit
>>> annoying.
>>> 
>>> Add one such test, which covers both EL1 and EL2 registers.
>>> 
>>> Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
>> 
>> I've tested this selftest on the RevC FVP with kvm-arm.mode=nested.
>> 
>> Tested-by: Itaru Kitayama <itaru.kitayama@xxxxxxxxxxx>
>> 
>> Running GIC_v3 tests.
>> __vm_create: mode='PA-bits:40,  VA-bits:48,  4K pages' type='0', pages='672'
>> __vm_create: mode='PA-bits:40,  VA-bits:48,  4K pages' type='0', pages='657'
>> __vm_create: mode='PA-bits:40,  VA-bits:48,  4K pages' type='0', pages='672'
>> __vm_create: mode='PA-bits:40,  VA-bits:48,  4K pages' type='0', pages='672'
>> __vm_create: mode='PA-bits:40,  VA-bits:48,  4K pages' type='0', pages='672'
>> __vm_create: mode='PA-bits:40,  VA-bits:48,  4K pages' type='0', pages='672'
>> __vm_create: mode='PA-bits:40,  VA-bits:48,  4K pages' type='0', pages='682'
>> __vm_create: mode='PA-bits:40,  VA-bits:48,  4K pages' type='0', pages='682'
>> __vm_create: mode='PA-bits:40,  VA-bits:48,  4K pages' type='0', pages='657'
>> __vm_create: mode='PA-bits:40,  VA-bits:48,  4K pages' type='0', pages='672'
>> __vm_create: mode='PA-bits:40,  VA-bits:48,  4K pages' type='0', pages='657'
> 
> I have no idea what you tested it on, because I get none of this
> nonsense.
> 
> Where is it coming from?


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