Re: [PATCH V2] arm64/cpufeature: Drop open encodings while extracting parange

[Marc Zyngier]

On Wed, 13 May 2020 14:33:34 +0530
Anshuman Khandual <anshuman.khandual@xxxxxxx> wrote:

> Currently there are multiple instances of parange feature width mask open
> encodings while fetching it's value. Even the width mask value (0x7) itself
> is not accurate. It should be (0xf) per ID_AA64MMFR0_EL1.PARange[3:0] as in
> ARM ARM (0487F.a). Replace them with cpuid_feature_extract_unsigned_field()
> which can extract given standard feature (4 bits width i.e 0xf mask) field.
> 
> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
> Cc: Will Deacon <will@xxxxxxxxxx>
> Cc: Marc Zyngier <maz@xxxxxxxxxx>
> Cc: James Morse <james.morse@xxxxxxx>
> Cc: kvmarm@xxxxxxxxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> 
> Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>

Acked-by: Marc Zyngier <maz@xxxxxxxxxx>

	M.
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