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Wed, 16 Dec 2020 23:57:34 -0800 (PST) Date: Thu, 17 Dec 2020 13:27:32 +0530 From: Viresh Kumar To: Ionela Voinescu , Catalin Marinas , Will Deacon Subject: Re: [PATCH V3 1/3] arm64: topology: Avoid the have_policy check Message-ID: <20201217075732.blac5pbca7prmuum@vireshk-i7> References: <5ffc7b9ed03c6301ac2f710f609282959491b526.1608010334.git.viresh.kumar@linaro.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <5ffc7b9ed03c6301ac2f710f609282959491b526.1608010334.git.viresh.kumar@linaro.org> User-Agent: NeoMutt/20180716-391-311a52 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201217_025741_602243_9501D9B6 X-CRM114-Status: GOOD ( 16.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vincent Guittot , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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 > Signed-off-by: Viresh Kumar > --- > 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel