foundation.org>; hejia...@gmail.com; Kaly Xin (Arm Technology China)
> ; nd
> Subject: Re: [PATCH v11 1/4] arm64: cpufeature: introduce helper
> cpu_has_hw_af()
>
> On Fri, Oct 11, 2019 at 01:16:36AM +, Justin He (Arm Technology China)
> wrote:
> > From: Catalin
On Fri, Oct 11, 2019 at 01:16:36AM +, Justin He (Arm Technology China)
wrote:
> From: Catalin Marinas
> > On Wed, Oct 09, 2019 at 04:42:43PM +0800, Jia He wrote:
> > > + u64 mmfr1 = read_cpuid(ID_AA64MMFR1_EL1);
> > > +
> > > + return
ker...@lists.infradead.org; linux-kernel@vger.kernel.org; linux-
> m...@kvack.org; Suzuki Poulose ; Borislav
> Petkov ; H. Peter Anvin ; x...@kernel.org;
> Thomas Gleixner ; Andrew Morton foundation.org>; hejia...@gmail.com; Kaly Xin (Arm Technology China)
> ; nd
> Subject: Re:
On Wed, Oct 09, 2019 at 04:42:43PM +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 a new helper
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 a new helper cpu_has_hw_af().
Signed-off-by: Jia He
Suggested-by: Suzuki Poulose
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