From: Viresh Kumar <viresh.kumar@linaro.org>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: Ionela Voinescu <ionela.voinescu@arm.com>,
Will Deacon <will@kernel.org>,
Vincent Guittot <vincent.guittot@linaro.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH V3 1/3] arm64: topology: Avoid the have_policy check
Date: Fri, 18 Dec 2020 09:56:02 +0530 [thread overview]
Message-ID: <20201218042602.4ymy4fg2zxeo6p4n@vireshk-i7> (raw)
In-Reply-To: <20201217105524.GA15336@gaia>
On 17-12-20, 10:55, Catalin Marinas wrote:
> 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@arm.com>
> > > Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
> > > ---
> > > 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
Right they are and since the merge window just opened I thought these
don't really need to wait for another full cycle to get in.
> and given that we
> are already in the 5.11 merging window, they would probably need to wait
> until 5.12.
Whatever you decide :)
--
viresh
next prev parent reply other threads:[~2020-12-18 4:27 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-15 5:34 [PATCH V3 1/3] arm64: topology: Avoid the have_policy check Viresh Kumar
2020-12-15 5:34 ` [PATCH V3 2/3] arm64: topology: Reorder init_amu_fie() a bit Viresh Kumar
2020-12-15 11:53 ` Ionela Voinescu
2020-12-15 5:34 ` [PATCH V3 3/3] arm64: topology: Make AMUs work with modular cpufreq drivers Viresh Kumar
2020-12-15 11:56 ` Ionela Voinescu
2020-12-16 0:03 ` Ionela Voinescu
2020-12-16 4:38 ` Viresh Kumar
2020-12-16 19:37 ` Ionela Voinescu
2020-12-17 10:50 ` Viresh Kumar
2021-01-08 9:44 ` Ionela Voinescu
2021-01-08 10:42 ` Ionela Voinescu
2021-01-08 11:03 ` Viresh Kumar
2020-12-17 7:57 ` [PATCH V3 1/3] arm64: topology: Avoid the have_policy check Viresh Kumar
2020-12-17 10:55 ` Catalin Marinas
2020-12-18 4:26 ` Viresh Kumar [this message]
2020-12-18 11:01 ` Catalin Marinas
2020-12-18 11:04 ` Viresh Kumar
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