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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2011-12-27 11:25:45 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-12-27 11:25:48 +0100 |
| commit | 272f01bf9b6da93f49fcca2656c24da8d2cfcc09 (patch) | |
| tree | cdb6549a79d1d5774072a0f765c3392c124e2816 | |
| parent | 371de6e4e0042adf4f9b54c414154f57414ddd37 (diff) | |
| download | linux-272f01bf9b6da93f49fcca2656c24da8d2cfcc09.tar.bz2 | |
[S390] irq: fix accounting of external call/emergency signal
Mask the extint_code parameter of the smp external interrupt handler
to get the interruption code. Otherwise emergency call interrupts
erroneously might be accounted as emergency signal interrupts.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| -rw-r--r-- | arch/s390/kernel/smp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 3ea872890da2..ee327365e436 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -187,7 +187,7 @@ static void do_ext_call_interrupt(unsigned int ext_int_code, { unsigned long bits; - if (ext_int_code == 0x1202) + if ((ext_int_code & 0xffff) == 0x1202) kstat_cpu(smp_processor_id()).irqs[EXTINT_EXC]++; else kstat_cpu(smp_processor_id()).irqs[EXTINT_EMS]++; |