RE: [PATCH v8 1/3] arm64: cpufeature: introduce helper cpu_has_hw_af()

2019-09-23 Thread Justin He (Arm Technology China)
nology > China) ; nd > Subject: Re: [PATCH v8 1/3] arm64: cpufeature: introduce helper > cpu_has_hw_af() > > On Sat, Sep 21, 2019 at 09:50:52PM +0800, Jia He wrote: > > We unconditionally set the HW_AFDBM capability and only enable it on > > CPUs which really h

Re: [PATCH v8 1/3] arm64: cpufeature: introduce helper cpu_has_hw_af()

2019-09-23 Thread Catalin Marinas
On Sat, Sep 21, 2019 at 09:50:52PM +0800, Jia He wrote: > We unconditionally set the HW_AFDBM capability and only enable it on > CPUs which really have the feature. But sometimes we need to know > whether this cpu has the capability of HW AF. So decouple AF from > DBM by new helper cpu_has_hw_af().