tree 4a8aa9cc9d0f9538ee19847e762e612069699da6
parent dd401e2b9250e3bb07ef388ddccbbf80aa106fc7
author Heiko Carstens <heiko.carstens@de.ibm.com> 1168334321 +0100
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1168334321 +0100

[S390] cio: use barrier() in stsch_reset.

Use barrier() in stsch_reset() instead of duplicating the stsch()
inline assembly and adding "memory" to the clobberlist.
Pointed out by Chuck Ebbert.

Real fix would be to add a fixup section to the stsch() and extend the
basic program check handler so it searches the exception tables in case
of a program check.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>