Re: [PATCH V3 1/3] arm64: topology: Avoid the have_policy check

From: Catalin Marinas
Date: Thu Dec 17 2020 - 05:56:11 EST


Hi Viresh,

On Thu, Dec 17, 2020 at 01:27:32PM +0530, Viresh Kumar wrote:
> On 15-12-20, 11:04, Viresh Kumar wrote:
> > Every time I have stumbled upon this routine, I get confused with the
> > way 'have_policy' is used and I have to dig in to understand why is it
> > so. Here is an attempt to make it easier to understand, and hopefully it
> > is an improvement.
> >
> > The 'have_policy' check was just an optimization to avoid writing
> > to amu_fie_cpus in case we don't have to, but that optimization itself
> > is creating more confusion than the real work. Lets just do that if all
> > the CPUs support AMUs. It is much cleaner that way.
> >
> > Reviewed-by: Ionela Voinescu <ionela.voinescu@xxxxxxx>
> > Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> > ---
> > V3:
> > - Added Reviewed by tag.
>
> Catalin, please pick the first two patches for 5.11. I will send the
> last one separately later on.

I haven't figured out whether these are fixes (a cover letter would
help ;)). They look like generic improvements to me and given that we
are already in the 5.11 merging window, they would probably need to wait
until 5.12.

--
Catalin