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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-11 10:46:50 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-11 10:46:50 +0200 |
| commit | 0c81b2a1448bc6a2a9b2d6469fb0669fb4b25e5b (patch) | |
| tree | 6f82579cae6d6e39fa9f837a3c349ded51e19d14 /arch/mips/sgi-ip32/ip32-irq.c | |
| parent | 0729fbf3bc70870370b4f43d652f05a468dc68b8 (diff) | |
| parent | 70ff05554f91a1edda1f11684da1dbde09e2feea (diff) | |
| download | blackbird-op-linux-0c81b2a1448bc6a2a9b2d6469fb0669fb4b25e5b.tar.gz blackbird-op-linux-0c81b2a1448bc6a2a9b2d6469fb0669fb4b25e5b.zip | |
Merge branch 'linus' into core/rcu
Conflicts:
include/linux/rculist.h
kernel/rcupreempt.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/mips/sgi-ip32/ip32-irq.c')
| -rw-r--r-- | arch/mips/sgi-ip32/ip32-irq.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c index b0ea0e43ba48..0d6b6663d5f6 100644 --- a/arch/mips/sgi-ip32/ip32-irq.c +++ b/arch/mips/sgi-ip32/ip32-irq.c @@ -425,6 +425,11 @@ static void ip32_irq0(void) BUILD_BUG_ON(MACEISA_SERIAL2_RDMAOR_IRQ - MACEISA_AUDIO_SW_IRQ != 31); crime_int = crime->istat & crime_mask; + + /* crime sometime delivers spurious interrupts, ignore them */ + if (unlikely(crime_int == 0)) + return; + irq = MACE_VID_IN1_IRQ + __ffs(crime_int); if (crime_int & CRIME_MACEISA_INT_MASK) { |
