tree 1546f9e8ef711d5559638e7f9c570e2be242bb14
parent 98c1c6825247c71e3d8a9a5439ba21fce7563014
author Heiko Carstens <heiko.carstens@de.ibm.com> 1238077450 +0100
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1238077454 +0100

[S390] cio: ensure single load of irq handler pointer

Add barrier to prevent compiler from reloading pointer to irq handler.

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