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x86: Use do_kernel_power_off()

Lenny Szubowicz requested to merge lszubowi/centos-stream-9:bz-2234390 into main

Bugzilla: https://bugzilla.redhat.com/2234390

Description:
Fix x86 kernel shutdown regression.

Upstream Status: d35773499329300d837818417f6d1b5a7987317d

Tested:
Shutdown tested on an x86 bare metal system and an x86 VM guest.

commit d35773499329300d837818417f6d1b5a7987317d
Author: Dmitry Osipenko dmitry.osipenko@collabora.com
Date: Tue May 10 02:32:26 2022 +0300

x86: Use do_kernel_power_off()  

Kernel now supports chained power-off handlers. Use do_kernel_power_off()  
that invokes chained power-off handlers. It also invokes legacy  
pm_power_off() for now, which will be removed once all drivers will  
be converted to the new sys-off API.  

Reviewed-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>  
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>  
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Signed-off-by: Lenny Szubowicz lszubowi@redhat.com

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