RE: [PATCH v9 1/3] arm64: cpufeature: introduce helper cpu_has_hw_af()

2019-09-26 Thread Justin He (Arm Technology China)
chnology > China) ; nd > Subject: Re: [PATCH v9 1/3] arm64: cpufeature: introduce helper > cpu_has_hw_af() > > On Wed, Sep 25, 2019 at 10:59:20AM +0800, Jia He wrote: > > We unconditionally set the HW_AFDBM capability and only enable it on > > CPUs which real

Re: [PATCH v9 1/3] arm64: cpufeature: introduce helper cpu_has_hw_af()

2019-09-25 Thread Catalin Marinas
On Wed, Sep 25, 2019 at 10:59:20AM +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