diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-03-28 20:29:51 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-03-28 20:29:51 +0000 |
| commit | ed40d0c472b136682b2fcba05f89762859c7374f (patch) | |
| tree | 076b83a26bcd63d6158463735dd34c10bbc591dc /drivers/s390/cio/airq.c | |
| parent | 9e495834e59ca9b29f1a1f63b9f5533bb022ac49 (diff) | |
| parent | 5d80f8e5a9dc9c9a94d4aeaa567e219a808b8a4a (diff) | |
Merge branch 'origin' into devel
Conflicts:
sound/soc/pxa/pxa2xx-i2s.c
Diffstat (limited to 'drivers/s390/cio/airq.c')
| -rw-r--r-- | drivers/s390/cio/airq.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/s390/cio/airq.c b/drivers/s390/cio/airq.c index fe6cea15bba..65d2e769dfa 100644 --- a/drivers/s390/cio/airq.c +++ b/drivers/s390/cio/airq.c @@ -34,8 +34,8 @@ struct airq_t { void *drv_data; }; -static union indicator_t indicators[MAX_ISC]; -static struct airq_t *airqs[MAX_ISC][NR_AIRQS]; +static union indicator_t indicators[MAX_ISC+1]; +static struct airq_t *airqs[MAX_ISC+1][NR_AIRQS]; static int register_airq(struct airq_t *airq, u8 isc) { @@ -133,6 +133,8 @@ void do_adapter_IO(u8 isc) while (word) { if (word & INDICATOR_MASK) { airq = airqs[isc][i]; + /* Make sure gcc reads from airqs only once. */ + barrier(); if (likely(airq)) airq->handler(&indicators[isc].byte[i], airq->drv_data); |