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.