Replace jprobes by ketprobe entry_handler when possible
Remove simple identic helpers

Now that every probe is only using one jprobe or one kretprobe
and no combinaison of the two anymore, all helpers are oneline
simple code. Inlining them simplify the code without hurting
comprehension
Remove '\n' at the en of MODULE_PARM_DESC
Remove starting '\t' in printk
Add missing spaces in log messages
Log errors on error level
Update release version to 2.3-1 (2.3_rc1)
SLC does not support mls
Typo
Update release version to 2.3-2 (2.3_rc2)