From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
linaro-kernel@lists.linaro.org, linux-pm@vger.kernel.org,
linux-kernel@vger.kernel.org,
Vincent Guittot <vincent.guittot@linaro.org>
Subject: Re: [PATCH 3/3] cpufreq: schedutil: remove redundant code from sugov_next_freq_shared()
Date: Sat, 04 Mar 2017 01:03:17 +0100 [thread overview]
Message-ID: <1772276.4tCnP8C0XV@aspire.rjw.lan> (raw)
In-Reply-To: <639aad743bac7f3292146738f44dbd1480169c8e.1488437503.git.viresh.kumar@linaro.org>
On Thursday, March 02, 2017 02:03:22 PM Viresh Kumar wrote:
> The same code is present both within and outside the loop and it doesn't
> look like it provides any additional benefit.
Well, not quite. This is on purpose.
Note the "if (j == smp_processor_id())" condition within the loop and think
about how the current CPU is taken into account. :-)
Thanks,
Rafael
next prev parent reply other threads:[~2017-03-04 0:15 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-02 8:33 [PATCH 0/3] cupfreq: schedutil: Minor fix and cleanups Viresh Kumar
2017-03-02 8:33 ` [PATCH 1/3] cpufreq: schedutil: move cached_raw_freq to struct sugov_policy Viresh Kumar
2017-03-02 22:05 ` Rafael J. Wysocki
2017-03-03 3:07 ` Viresh Kumar
2017-03-02 8:33 ` [PATCH 2/3] cpufreq: schedutil: Pass sg_policy to get_next_freq() Viresh Kumar
2017-03-02 8:33 ` [PATCH 3/3] cpufreq: schedutil: remove redundant code from sugov_next_freq_shared() Viresh Kumar
2017-03-04 0:03 ` Rafael J. Wysocki [this message]
2017-03-04 0:11 ` Rafael J. Wysocki
2017-03-06 4:45 ` Viresh Kumar
2017-03-06 12:24 ` Rafael J. Wysocki
2017-03-07 10:31 ` Viresh Kumar
2017-03-07 13:19 ` Rafael J. Wysocki
2017-03-08 4:18 ` Viresh Kumar
2017-03-08 10:50 ` Rafael J. Wysocki
2017-03-08 11:15 ` Viresh Kumar
2017-03-08 12:54 ` Rafael J. Wysocki
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