From: Viresh Kumar <viresh.kumar@linaro.org>
To: Ionela Voinescu <ionela.voinescu@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>
Cc: Vincent Guittot <vincent.guittot@linaro.org>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH V3 1/3] arm64: topology: Avoid the have_policy check
Date: Thu, 17 Dec 2020 13:27:32 +0530 [thread overview]
Message-ID: <20201217075732.blac5pbca7prmuum@vireshk-i7> (raw)
In-Reply-To: <5ffc7b9ed03c6301ac2f710f609282959491b526.1608010334.git.viresh.kumar@linaro.org>
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.
--
viresh
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next prev parent reply other threads:[~2020-12-17 7:59 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 ` Viresh Kumar [this message]
2020-12-17 10:55 ` [PATCH V3 1/3] arm64: topology: Avoid the have_policy check Catalin Marinas
2020-12-18 4:26 ` Viresh Kumar
2020-12-18 11:01 ` Catalin Marinas
2020-12-18 11:04 ` Viresh Kumar
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