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Date: Tue, 15 Sep 2015 17:34:29 -0700 From: Steve Muckle <steve.muckle@...aro.org> To: Peter Zijlstra <peterz@...radead.org>, Patrick Bellasi <patrick.bellasi@....com> Cc: Ricky Liang <jcliang@...omium.org>, Ingo Molnar <mingo@...hat.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>, Jonathan Corbet <corbet@....net>, "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>, Viresh Kumar <viresh.kumar@...aro.org> Subject: Re: [RFC 08/14] sched/tune: add detailed documentation On 09/15/2015 08:19 AM, Peter Zijlstra wrote: > Please flip the argument around; providing lots of knobs for vendors to > do $magic with is _NOT_ a good thing. > > The whole out-of-tree cpufreq governor hack fest Android thing is a > complete and utter fail on all levels. Its the embedded, ship, forget, > not contribute cycle all over again. > > Making that harder is a _GOOD_ thing. I get why the plugin-like governor interface may encourage out of tree development, but why would providing lots of policy knobs/tunables from the scheduler be bad? Shouldn't that hopefully reduce the likelihood that someone feels the need to roll their own stack of kernel modifications which never make it upstream? cheers, Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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