From: Eduardo Valentin <edubezval-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Sascha Hauer <s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
Cc: huangtao-TNX95d0MmH7DzftRWevZcw@public.gmane.org,
Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>,
linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
eddie.cai-TNX95d0MmH7DzftRWevZcw@public.gmane.org,
smbarber-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org,
briannorris-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org,
Zhang Rui <rui.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Caesar Wang <wxt-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
Subject: Re: [PATCH 4/4] thermal: bang-bang governor: act on lower trip boundary
Date: Thu, 28 Apr 2016 07:50:55 -0700 [thread overview]
Message-ID: <20160428145054.GC19279@localhost.localdomain> (raw)
In-Reply-To: <20160428063018.GX7860-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
On Thu, Apr 28, 2016 at 08:30:18AM +0200, Sascha Hauer wrote:
> On Wed, Apr 27, 2016 at 02:54:26PM -0700, Eduardo Valentin wrote:
> > On Mon, Apr 25, 2016 at 11:02:47AM +0800, Caesar Wang wrote:
> > > From: Sascha Hauer <s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
> > >
> > > With interrupt driven thermal zones we pass the lower and upper
> > > temperature on which shall be acted, so in the governor we have to act on
> > > the exact lower temperature to be consistent. Otherwise an interrupt maybe
> > > generated on the exact lower temperature, but the bang bang governor does
> > > not react.
> >
> > What is the expected impact on polling driven zones that use bang bang
> > after this change?
>
> Polling driven zones may have to be one step cooler before the governor
> reacts, otherwise the behaviour should be unaffected.
OK. Can we add this description of the expectation of what will happen
to polling driver zones in the next version? An explanation on how this
has bee tested on polling driven zones it is also welcome.
>
> Sascha
>
> --
> Pengutronix e.K. | |
> Industrial Linux Solutions | http://www.pengutronix.de/ |
> Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
> Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
prev parent reply other threads:[~2016-04-28 14:50 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-25 3:02 [PATCH 0/4] Thermal: Support for hardware-tracked trip points Caesar Wang
2016-04-25 3:02 ` [PATCH 1/4] thermal: Add support " Caesar Wang
2016-04-27 21:48 ` Eduardo Valentin
[not found] ` <20160427214843.GA6438-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2016-05-03 6:19 ` Caesar Wang
2016-05-03 9:25 ` Caesar Wang
2016-04-25 3:02 ` [PATCH 2/4] thermal: of: implement .set_trips for device tree thermal zones Caesar Wang
2016-04-27 21:52 ` Eduardo Valentin
2016-05-03 6:32 ` Caesar Wang
[not found] ` <1461553367-24744-1-git-send-email-wxt-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2016-04-25 3:02 ` [PATCH 3/4] thermal: streamline get_trend callbacks Caesar Wang
2016-04-25 3:02 ` [PATCH 4/4] thermal: bang-bang governor: act on lower trip boundary Caesar Wang
2016-04-27 21:54 ` Eduardo Valentin
2016-04-28 6:30 ` Sascha Hauer
[not found] ` <20160428063018.GX7860-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2016-04-28 14:50 ` Eduardo Valentin [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160428145054.GC19279@localhost.localdomain \
--to=edubezval-re5jqeeqqe8avxtiumwx3w@public.gmane.org \
--cc=briannorris-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org \
--cc=dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org \
--cc=dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
--cc=eddie.cai-TNX95d0MmH7DzftRWevZcw@public.gmane.org \
--cc=heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org \
--cc=huangtao-TNX95d0MmH7DzftRWevZcw@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \
--cc=rui.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org \
--cc=s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org \
--cc=smbarber-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org \
--cc=wxt-TNX95d0MmH7DzftRWevZcw@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).