linux-kernel - Re: [PATCH v2 4/5] thermal: core: genetlink support for events/cmd/sampling

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Message-ID: <8526622b-cb31-4d40-95b6-e209b3101563@linaro.org>
Date:   Wed, 1 Jul 2020 18:31:29 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Zhang Rui <rui.zhang@...el.com>
Cc:     rkumbako@...eaurora.org, amit.kucheria@...aro.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/5] thermal: core: genetlink support for
 events/cmd/sampling

On 01/07/2020 17:49, Srinivas Pandruvada wrote:
> 
> [...]
> 
>> Then I'd prefer we only introduce the events that are used or will be
>> used soon, like the tz disable/enable, to avoid some potential dead
>> code.
>> We can easily add more events when they are needed.
>>
>> Srinivas, do you have plan to use the trip add/delete events?
> Yes and also trip modify.

Ok I will keep those then.

> Also I need to have one more event for heartbeat like event which needs
> confirmation from user space to hardware the user process controlling
> thermal is active not dead. So whenever hardware wants to check health 
> it will send an event, which user space should acknowledge

Could it be the opposite? The userspace sends periodically a message to
tell it is alive instead of having the kernel asking the userspace?

Is it ok if we add this in a separate series ?



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