[PATCH 4/4] arm64: Rename cpuid_feature field extract routines

[Marc Zyngier]

On 03/02/16 14:06, Catalin Marinas wrote:
> On Tue, Jan 26, 2016 at 10:58:16AM +0000, Suzuki K. Poulose wrote:
>> Now that we have a clear understanding of the sign of a feature,
>> rename the routines to reflect the sign, so that it is not misused.
>> The cpuid_feature_extract_field() now accepts a 'sign' parameter.
>>
>> Signed-off-by: Suzuki K. Poulose <suzuki.poulose at arm.com>
> [...]
>> diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h
>> index 7364339..2ac4a22 100644
>> --- a/arch/arm64/include/asm/kvm_mmu.h
>> +++ b/arch/arm64/include/asm/kvm_mmu.h
>> @@ -307,7 +307,7 @@ static inline unsigned int kvm_get_vmid_bits(void)
>>  {
>>  	int reg = read_system_reg(SYS_ID_AA64MMFR1_EL1);
>>  
>> -	return (cpuid_feature_extract_field(reg, ID_AA64MMFR1_VMIDBITS_SHIFT) == 2) ? 16 : 8;
>> +	return (cpuid_feature_extract_unsigned_field(reg, ID_AA64MMFR1_VMIDBITS_SHIFT) == 2) ? 16 : 8;
>>  }
> 
> Since this is touch a KVM file, it would be good to have an ack from
> Marc or Christoffer.

Works for me.

Acked-by: Marc Zyngier <marc.zyngier at arm.com>

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