On Fri, Aug 17, 2018 at 01:04:58PM +0200, David Hildenbrand wrote:
> >> If there are no objections, I'll go into that direction. But I'll wait
> >> for more comments regarding the general concept first.
> >
> > It is the middle of the merge window, and maintainers are really busy
> > right now. I doubt you will get many review comments just yet...
> >
>
> This has been broken since 2015, so I guess it can wait a bit :)
I hope you figured out what needs to be locked why. Your patch description
seems to be "only" about locking order ;)
I tried to figure out and document that partially with 55adc1d05dca ("mm:
add private lock to serialize memory hotplug operations"), and that wasn't
easy to figure out. I was especially concerned about sprinkling
lock/unlock_device_hotplug() calls, which has the potential to make it the
next BKL thing.
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