linux-kernel - Re: [PATCH v1 14/16] thermal: gov_user_space: Use .trip

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Message-ID: <e565a9c3-9244-4a0b-9ad8-4beebd03d681@linux.intel.com>
Date: Wed, 24 Apr 2024 04:32:32 -0700
From: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To: Daniel Lezcano <daniel.lezcano@...aro.org>,
 "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc: Linux PM <linux-pm@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
 Lukasz Luba <lukasz.luba@....com>
Subject: Re: [PATCH v1 14/16] thermal: gov_user_space: Use .trip_crossed()
 instead of .throttle()

On 4/24/24 02:14, Daniel Lezcano wrote:
> On Wed, Apr 10, 2024 at 07:03:10PM +0200, Rafael J. Wysocki wrote:
>> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
>>
>> Notifying user space about trip points that have not been crossed is
>> not particuarly useful, so modity the User Space governor to use the
>> .trip_crossed() callback, which is only invoked for trips that have been
>> crossed, instead of .throttle() that is invoked for all trips in a
>> thermal zone every time the zone is updated.
>>
>> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
>> ---
> Acked-by: Daniel Lezcano <daniel.lezcano@...aro.org>
>
> I would also consider removing this governor which is pointless now that we
> have the netlink notification mechanism

That is a good goal, But, not there yet to deprecate.

Thanks,

Srinivas

>