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Date:   Wed, 23 Jan 2019 10:22:10 +0100
From:   Peter Zijlstra <peterz@infradead.org>
To:     Patrick Bellasi <patrick.bellasi@arm.com>
Cc:     linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
        linux-api@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
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        Joel Fernandes <joelaf@google.com>,
        Steve Muckle <smuckle@google.com>,
        Suren Baghdasaryan <surenb@google.com>
Subject: Re: [PATCH v6 07/16] sched/core: uclamp: Add system default clamps
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On Tue, Jan 22, 2019 at 03:41:29PM +0000, Patrick Bellasi wrote:
> On 22-Jan 16:13, Peter Zijlstra wrote:
> > On Tue, Jan 22, 2019 at 02:43:29PM +0000, Patrick Bellasi wrote:

> > > Do you think that could be acceptable?
> > 
> > Think so, it's a sysctl poke, 'nobody' ever does that.
> 
> Cool, so... I'll keep lazy update for system default.

Ah, I think I misunderstood. I meant to say that since nobody ever pokes
at sysctl's it doesn't matter if its a little more expensive and iterate
everything.

Also; if you always keep everything up-to-date, you can avoid doing that
duplicate accounting.