Re: [PATCH 04/11] arm64/cpufeature: add ARMv8.3 id_aa64isar1 bits

2017-07-24 Thread Suzuki K Poulose
On 19/07/17 17:01, Mark Rutland wrote: From ARMv8.3 onwards, ID_AA64ISAR1 is no longer entirely RES0, and now has four fields describing the presence of pointer authentication functionality: * APA - address authentication present, using an architected algorithm * API - address authentication pre

[PATCH 04/11] arm64/cpufeature: add ARMv8.3 id_aa64isar1 bits

2017-07-19 Thread Mark Rutland
>From ARMv8.3 onwards, ID_AA64ISAR1 is no longer entirely RES0, and now has four fields describing the presence of pointer authentication functionality: * APA - address authentication present, using an architected algorithm * API - address authentication present, using an IMP DEF algorithm * GPA -