On 09/26/23 at 04:53pm, Eric DeVolder wrote:
>
>
> On 9/26/23 15:50, Andrew Morton wrote:
> > On Tue, 26 Sep 2023 20:09:05 +0800 Baoquan He <bhe@xxxxxxxxxx> wrote:
> >
> > > Eric reported that handling corresponding crash hotplug event can be
> > > failed easily when many memory hotplug event are notified in a short
> > > period. They failed because failing to take __kexec_lock.
> >
> > I'm assuming that this failure is sufficiently likely so as to justify a -stable
> > backport of the fix. Please let me know if this is incorrect.
>
> Andrew,
> Correct, this is sufficiently likely to happen.
Agree. Maybe a Fixes tag need be added:
===
Fixes: 247262756121 ("crash: add generic infrastructure for crash hotplug support")
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