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

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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>

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Heiko Carstens 2009-03-26 15:24:10 +01:00 • committed by Martin Schwidefsky

parent 98c1c68252

commit 87fa5af80c

1 changed files with 2 additions and 0 deletions

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drivers/s390/cio/airq.c

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