linux-kernel - Re: [GIT PULL] early thermal changes for v6.1-rc1

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Message-ID: <CAJZ5v0ipq3swfX28o4YTCgsX6oyAJfqe385tdYzZXF=2ysfuvQ@mail.gmail.com>
Date:   Tue, 30 Aug 2022 20:18:02 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Linux PM mailing list <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: Re: [GIT PULL] early thermal changes for v6.1-rc1

On Tue, Aug 30, 2022 at 6:50 PM Rafael J. Wysocki <rafael@...nel.org> wrote:
>
> On Wed, Aug 24, 2022 at 8:16 PM Rafael J. Wysocki <rafael@...nel.org> wrote:
> >
> > On Wed, Aug 24, 2022 at 1:38 PM Daniel Lezcano
> > <daniel.lezcano@...aro.org> wrote:
> > >
> > >
> > > Hi Rafael,
> > >
> > > this cycle will contain certainly a higher number of changes than the
> > > previous ones. That will come from the rework of the thermal trip
> > > handling / consolidation which is still WIP but where the drivers
> > > changes are partly acked-by the different maintainers. The result will
> > > be great IMO in terms of cleanup, encapsulation and maintainability.
> > >
> > > The thermal OF cleanup and rework have been consolidated meanwhile.
> > >
> > > In order to not have a huge pull request at the end of the v6.1
> > > development cycle, I propose to send early but smaller pull requests
> > > (release often, release early), so hopefully that will make the changes
> > > smooth and may be hit the potential bugs for those who are sticking to
> > > linux-pm instead of linux-next.
> > >
> > > This pull request is the first one and has been in the linux-next branch
> > > since a couple of weeks.
> > >
> > > It includes the thermal OF rework, with the corresponding fixes and the
> > > monitoring locking scheme path changes.
> >
> > Pulled, thanks!
>
> So after merging this, the Dell XPS13 9360 in my office doesn't reboot any more.
>
> Undoing the merge makes it reboot again.
>
> Bisection indicates
>
> commit 670a5e356cb6dfc61b87b599eba483af6a3a99ad
> Author: Daniel Lezcano <daniel.lezcano@...aro.org>
> Date:   Fri Aug 5 17:38:33 2022 +0200
>
>    thermal/core: Move the thermal zone lock out of the governors
>
> as the first bad commit, but I'm not sure what can be wrong with it yet.

See: https://patchwork.kernel.org/project/linux-pm/patch/12067136.O9o76ZdvQC@kreacher/

I'm adding this one to linux-next right away.