fix #29415191

commit b052df3da821adfd6be26a6eb16624fb50e90e56 upstream

This is completely overengineered and definitely not an interface which
should be made available to anything else than this particular MCE case.
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Reviewed-by: NAlexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: NPeter Zijlstra <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200505134059.462640294@linutronix.deSigned-off-by: NYouquan Song <youquan.song@intel.com>
Signed-off-by: NWetp Zhang <wetp.zy@linux.alibaba.com>
Reviewed-by: NArtie Ding <artie.ding@linux.alibaba.com>