Re: [PATCH 6.11 024/135] lib: alloc_tag_module_unload must wait for pending kfree_rcu calls

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On Mon, Oct 21, 2024 at 10:12:13AM -0700, Suren Baghdasaryan wrote:
> On Mon, Oct 21, 2024 at 10:06 AM Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote:
> >
> > On Mon, Oct 21, 2024 at 10:04 AM Vlastimil Babka <vbabka@xxxxxxx> wrote:
> > >
> > > On 10/21/24 18:57, Greg Kroah-Hartman wrote:
> > > > On Mon, Oct 21, 2024 at 06:22:17PM +0200, Uladzislau Rezki wrote:
> > > >> On Mon, Oct 21, 2024 at 09:16:43AM -0700, Ben Greear wrote:
> > > >> > On 10/21/24 03:23, Greg Kroah-Hartman wrote:
> > > >> > > 6.11-stable review patch.  If anyone has any objections, please let me know.
> > > >> >
> > > >> > This won't compile in my 6.11 tree (as of last week), I think it needs more
> > > >> > upstream patches and/or a different work-around.
> > > >> >
> > > >> > Possibly that has already been backported into 6.11 stable and I just haven't
> > > >> > seen it yet.
> > > >> >
> > > >> Right. The kvfree_rcu_barrier() will appear starting from 6.12 kernel.
> > > >
> > > > Ick, how is it building on all of my tests?  What config option am I
> > > > missing?
> > >
> > > Most likely CONFIG_MEM_ALLOC_PROFILING
> > > Depends on: PROC_FS [=y] && !DEBUG_FORCE_WEAK_PER_CPU [=n]
> >
> > Yes, it's disabled by default.
> 
> 6.11 backports including prerequisite patch are posted at
> https://lore.kernel.org/all/20241021171003.2907935-1-surenb@xxxxxxxxxx/

Thanks, I'll go drop this one from the tree for now and take those for
the next stable release.

greg k-h




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