[PATCH v2 1/9] list: add list_last_entry_or_null()

Luca Ceresoli luca.ceresoli at bootlin.com
Tue Sep 2 04:57:09 PDT 2025


Hello DRM maintainers,

On Wed, 20 Aug 2025 16:43:56 +0300
Andy Shevchenko <andriy.shevchenko at linux.intel.com> wrote:

> On Thu, Aug 14, 2025 at 06:36:09PM +0200, Luca Ceresoli wrote:
> > On Wed, 6 Aug 2025 00:55:02 +0300
> > Andy Shevchenko <andriy.shevchenko at linux.intel.com> wrote:
> >   
> > > On Fri, Aug 01, 2025 at 07:05:23PM +0200, Luca Ceresoli wrote:  
> > > > Add an equivalent of list_first_entry_or_null() to obtain the last element
> > > > of a list.    
> > > 
> > > Acked-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>  
> > 
> > Thanks Andy!
> > 
> > However I'm not sure when and where this should be applied.
> > 
> > Except for this one patch, all patches in the series are for
> > drm-misc-next. Also, patch 1 is currently not needed by any other
> > series AFAIK.
> > 
> > Based on the above, is it correct to assume that the whole series can
> > be applied on drm-misc-next? (when other patches will have a
> > R-by/Ack-by of course)
> > 
> > Also, is Andy's A-by enough to apply this patch?  
> 
> The list.h is common for many, I think going via DRM with my Ack is enough
> based on the Git history of my changes in this file. But if you want more
> reliable source, get an Ack from Andrew Morton.

While applying this patch with dim on drm-misc-next, dim push-branch
failed because:

  dim: ERROR: cb86408b1fc2 ("list: add list_last_entry_or_null()"): Mandatory Maintainer Acked-by missing., aborting

Looking at the dim code, it is looking for a Reviewed- or Acked-by from
people listed by `scripts/get_maintainer.pl --no-git-fallback -m --nol
--norolestats`. but that command returns an empty string, so it will
never allow me to push.

How can I get that commit pushed to drm-misc-next?

I think `dim push-branch -f` would work: am I supposed to use it?

(not sure my committer rights allow that)

Luca

-- 
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com



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