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* s390/cio: introduce CIO debugfs directoryVineeth Vijayan2021-03-221-0/+23
This patch introduces an s390 Common I/O layer debugfs directory that is intended to provide access to debugging-related CIO functions and data. The directory is created as /sys/kernel/debug/s390/cio Signed-off-by: Vineeth Vijayan <vneethv@linux.ibm.com> Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>