Heiko Carstens 87fa5af80c [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>
2009-03-26 15:24:14 +01:00
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2009-01-08 08:31:15 -08:00