Re: [PATCH v2 00/12] thermal: core: Fixes and cleanups, mostly related to thermal zone init and exit

[Rafael J. Wysocki]

On Fri, Oct 11, 2024 at 8:50 PM Rafael J. Wysocki <rafael@xxxxxxxxxx> wrote:
>
> On Fri, Oct 4, 2024 at 10:11 PM Rafael J. Wysocki <rjw@xxxxxxxxxxxxx> wrote:
> >
> > Hi Everyone,
> >
> > After posting the two series of thermal core patches for 6.13:
> >
> > https://lore.kernel.org/linux-pm/4920970.GXAFRqVoOG@xxxxxxxxxxxxx/
> >
> > and
> >
> > https://lore.kernel.org/linux-pm/6100907.lOV4Wx5bFT@xxxxxxxxxxxxx/
> >
> > before the 6.12 merge window, I have decided to reorder the changes included in
> > these series, so that fixes and more significant cleanups (for example, changing
> > they layout of data structures) go first, followed by the changes related to
> > using guards for locking, and the optimization involving sorted lists becomes
> > the last piece.
> >
> > This series is the first part and the majority of patches in it come from the
> > second (RFC) series mentioned above.  Of course, they needed to be rebased to
> > be applied in the new order.  It is on top of 6.12-rc1 with
> >
> > https://lore.kernel.org/linux-pm/12549318.O9o76ZdvQC@xxxxxxxxxxxxx/
> >
> > applied and it will be added to my thermal-core-testing branch.  It is in v2
> > to start with because all of the patches in it have already been posted in
> > some form.
> >
> > The first 10 patches fix some potential issues related to thermal zone
> > initialization and exit (for example, user space may start to interact with
> > a thermal zone during its initialization before it's ready and system suspend
> > taking place at a wrong time may skip a new thermal zone so it is not suspended)
> > and do some cleanups related to that.  This concludes with the removal of the
> > need_update field from struct thermal_zone_device.
> >
> > The last two patches move lists of thermal instances from thermal zones to
> > trip point descriptors and clean up some code on top of that.
> >
> > Please refer to the individual patch changelogs for details.
>
> This material is now present in the thermal-core-testing and
> thermal-core-experimental branches in linux-pm.git.

I gather that it is not controversial and it has been around for quite
a while, and it was discussed during the PM+TC session at the LPC, so
I've just applied it for 6.13.