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Date: Mon, 2 Dec 2019 07:31:46 +0530 From: Viresh Kumar <viresh.kumar@...aro.org> To: Sudeep Holla <sudeep.holla@....com> Cc: linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, "Rafael J . Wysocki" <rjw@...ysocki.net>, Liviu Dudau <liviu.dudau@....com>, Dietmar Eggemann <dietmar.eggemann@....com>, Lorenzo Pieralisi <lorenzo.pieralisi@....com>, Morten Rasmussen <morten.rasmussen@....com>, Lukasz Luba <lukasz.luba@....com> Subject: Re: [PATCH 2/2] cpufreq: vexpress-spc: Switch cpumask from topology core to OPP sharing On 29-11-19, 11:49, Sudeep Holla wrote: > Hi Viresh, Rafael, > > On Thu, Nov 28, 2019 at 10:15:47AM +0000, Sudeep Holla wrote: > > Since commit ca74b316df96 ("arm: Use common cpu_topology structure and > > functions.") the core cpumask has to be modified during cpu hotplug > > operations. So using them to set up cpufreq policy cpumask may be > > incorrect as it may contain only cpus that are online at that instance. > > > > Instead, we can use the cpumask setup by OPP library that contains all > > the cpus sharing OPP table using dev_pm_opp_get_sharing_cpus. > > > > Cc: Viresh Kumar <viresh.kumar@...aro.org> > > This can go independently via PM tree and I can take 1/2 via SoC tree > (as the file is being moved). The problem will be fixed only after both > lands, but this alone won't break the build. Yes, but it will break cpufreq for sure as shared-cpus won't be set by anyone. > Or if you guys provide > Ack, I can take both together via ARM SoC team. Let me know. I was planning to take them through cpufreq tree, but that fine if you can do that. Acked-by: Viresh Kumar <viresh.kumar@...aro.org> -- viresh
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