[PATCH] selftests: KVM: aarch64: Let hypercalls use UAPI *_BIT_COUNT

[Marc Zyngier]

On 2022-05-05 14:32, Paolo Bonzini wrote:
> On 5/5/22 14:04, Marc Zyngier wrote:
>> diff --git a/arch/arm64/include/uapi/asm/kvm.h 
>> b/arch/arm64/include/uapi/asm/kvm.h
>> index e523bb6eac67..3cde9f958eee 100644
>> --- a/arch/arm64/include/uapi/asm/kvm.h
>> +++ b/arch/arm64/include/uapi/asm/kvm.h
>> @@ -342,6 +342,10 @@ struct kvm_arm_copy_mte_tags {
>>     enum {
>>   	KVM_REG_ARM_STD_BIT_TRNG_V1_0	= 0,
>> +	/*
>> +	 * KVM_REG_ARM_STD_BMAP_BIT_COUNT will vary as new services
>> +	 * are added, and is explicitely not part of the ABI.
>> +	 */
>>   	KVM_REG_ARM_STD_BMAP_BIT_COUNT,
>>   };
> 
> That seems like a bad idea.  Perhaps you can wrap it in #ifdef
> __KERNEL_OR_SELFTESTS__?  I can't find any prior art.

Yeah. I've dropped this patch and sprinkled a bunch of
'#ifdef __KERNEL__' instead. We can revisit this later,
or hack the test to temporarily define __KERNEL__, which
is just as bad...

         M.
-- 
Jazz is not dead. It just smells funny...