echnology
> China)
> Subject: Re: [PATCH v5 1/3] arm64: cpufeature: introduce helper
> cpu_has_hw_af()
>
> On Fri, Sep 20, 2019 at 12:12:02AM +0800, Jia He wrote:
> > diff --git a/arch/arm64/kernel/cpufeature.c
> b/arch/arm64/kernel/cpufeature.c
> > index b1fdc486aed
On Fri, Sep 20, 2019 at 12:12:02AM +0800, Jia He wrote:
> diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
> index b1fdc486aed8..fb0e9425d286 100644
> --- a/arch/arm64/kernel/cpufeature.c
> +++ b/arch/arm64/kernel/cpufeature.c
> @@ -1141,6 +1141,16 @@ static bool
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().
Reported-by: kbuild test robot
Suggested-by: Suzuki Poulose
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