From: Viresh Kumar <viresh.kumar@linaro.org>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Rafael Wysocki <rjw@rjwysocki.net>,
Juri Lelli <juri.lelli@arm.com>,
Lists linaro-kernel <linaro-kernel@lists.linaro.org>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH V4 1/7] cpufreq: Merge cpufreq_offline_prepare/finish routines
Date: Thu, 11 Feb 2016 17:16:33 +0530 [thread overview]
Message-ID: <20160211114633.GB28558@vireshk> (raw)
In-Reply-To: <CAJZ5v0iWxdP9qYZow2yJ2CF8GD-HTO5W1w6e8baJunXEQpMjQA@mail.gmail.com>
On 11-02-16, 02:15, Rafael J. Wysocki wrote:
> And one question tangentially related to this patch: Would it be
> possible to avoid calling __cpufreq_governor(_EXIT) for CPU offline?
>
> The fact that we still carry out the whole governor teardown at that
> point is slightly disturbing, as in theory it should be possible to
> keep the governor attributes in place across offline/online.
Will think about that after the current code is stable a bit. It should be
possible, but need to see if it is worth it.
--
viresh
next prev parent reply other threads:[~2016-02-11 11:46 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-09 3:46 [PATCH V4 0/7] cpufreq: Locking fixes and cleanups Viresh Kumar
2016-02-09 3:46 ` [PATCH V4 1/7] cpufreq: Merge cpufreq_offline_prepare/finish routines Viresh Kumar
2016-02-11 0:59 ` Rafael J. Wysocki
2016-02-11 1:15 ` Rafael J. Wysocki
2016-02-11 11:46 ` Viresh Kumar [this message]
2016-02-09 3:46 ` [PATCH V4 2/7] cpufreq: Call __cpufreq_governor() with policy->rwsem held Viresh Kumar
2016-02-11 9:48 ` Rafael J. Wysocki
2016-02-11 11:52 ` Viresh Kumar
2016-02-09 3:46 ` [PATCH V4 3/7] cpufreq: Remove cpufreq_governor_lock Viresh Kumar
2016-02-11 9:53 ` Rafael J. Wysocki
2016-02-09 3:46 ` [PATCH V4 4/7] cpufreq: governor: Move common sysfs tunables to cpufreq_governor.c Viresh Kumar
2016-02-10 0:26 ` Rafael J. Wysocki
2016-02-10 7:00 ` [PATCH V5 1/3] cpufreq: governor: No need to manage state machine now Viresh Kumar
2016-02-10 7:00 ` [PATCH V5 2/3] cpufreq: conservative: Update sample_delay_ns immediately Viresh Kumar
2016-02-10 7:00 ` [PATCH V5 3/3] cpufreq: ondemand: Rearrange od_dbs_timer() to avoid updating delay Viresh Kumar
2016-02-11 9:58 ` [PATCH V5 1/3] cpufreq: governor: No need to manage state machine now Rafael J. Wysocki
2016-02-09 3:46 ` [PATCH V4 5/7] " Viresh Kumar
2016-02-10 0:36 ` Rafael J. Wysocki
2016-02-10 5:36 ` Viresh Kumar
2016-02-09 3:46 ` [PATCH V4 6/7] cpufreq: conservative: Update sample_delay_ns immediately Viresh Kumar
2016-02-09 3:46 ` [PATCH V4 7/7] cpufreq: ondemand: Rearrange od_dbs_timer() to void updating delay Viresh Kumar
2016-02-10 0:28 ` Rafael J. Wysocki
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