Martin Schwidefsky 987ad70a4d [S390] system call optimization. ...

After the in-kernel system call has been remove the system call path
can be optimized. The problem state bit of the old psw is always set
between system_call and sysc_do_svc. SAVE_ALL_SVC uses this information
to avoid two instructions.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

2007-07-10 11:24:51 +02:00

29 KiB

Raw Blame History

View Raw