more s390 updates for 5.17 merge window

- add Sven Schnelle as reviewer for s390 code

- make uaccess code more readable

- change cpu measurement facility code to also support counter second
  version number 7, and add discard support for limited samples
s390: add Sven Schnelle as reviewer

Sven Schnelle will help reviewing s390 architecture code.

Acked-by: Sven Schnelle <svens@linux.ibm.com>
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Acked-by: Vasily Gorbik <gor@linux.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
1 file changed