On Wed, Mar 03, 2021 at 02:17:41PM -0800, Yury Norov wrote:
> On Thu, Feb 25, 2021 at 02:02:06PM +, Will Deacon wrote:
> > On Thu, Feb 25, 2021 at 05:56:59AM -0800, Yury Norov wrote:
> > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> > > index 31bd885b79eb..5596eab04092 100644
> > >
On Thu, Feb 25, 2021 at 02:02:06PM +, Will Deacon wrote:
> On Thu, Feb 25, 2021 at 05:56:59AM -0800, Yury Norov wrote:
> > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> > index 31bd885b79eb..5596eab04092 100644
> > --- a/arch/arm64/Kconfig
> > +++ b/arch/arm64/Kconfig
> > @@ -108,6
On Thu, Feb 25, 2021 at 05:56:59AM -0800, Yury Norov wrote:
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 31bd885b79eb..5596eab04092 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -108,6 +108,7 @@ config ARM64
> select GENERIC_CPU_AUTOPROBE
> select
ARM64 doesn't implement find_first_{zero}_bit in arch code and doesn't
enable it in a config. It leads to using find_next_bit() which is less
efficient:
:
0: aa0003e4mov x4, x0
4: aa0103e0mov x0, x1
8: b4000181cbz x1, 38
c:
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