!781 Intel: backport split lock EMR CPU support for OLK 5.10

Merge Pull Request from: @etzhao 
 
Hi,

Bus lock detection EMR CPU support for OpenEuler backporting was tested Okay, help to review and merge

Title: bus lock detection and ratelimit feature for OpenEuler.

Passed test cases
No function change.
#dmesg 
 see
 [    0.000000] x86/split lock detection: #AC: crashing the kernel on kernel split_locks and warning on user-space split_locks
#cat /proc/cpuinfo |grep split 
 split_lock_detect
 
Known issue:
No

Default config change:
No

Thanks,
Ethan 
 
Link:https://gitee.com/openeuler/kernel/pulls/781

 

Reviewed-by: Jason Zeng <jason.zeng@intel.com>
Reviewed-by: Aichun Shi <aichun.shi@intel.com>
Reviewed-by: Jialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>