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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2011-10-30 15:17:19 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-10-30 15:16:47 +0100 |
| commit | 2a3a2d66aa4e5abaf8f9222d21735321f02a00dc (patch) | |
| tree | 92606986642a9cee1561f532c53f4b7ca956ef2f /arch/s390/kernel/smp.c | |
| parent | e1c4d0142d32f97706b752d94c9e20c3f21901f8 (diff) | |
| download | op-kernel-dev-2a3a2d66aa4e5abaf8f9222d21735321f02a00dc.zip op-kernel-dev-2a3a2d66aa4e5abaf8f9222d21735321f02a00dc.tar.gz | |
[S390] irqstats: split IPI interrupt accounting
We use both the external call and emergency call IPIs to signal remote
cpus. Therefore it makes sense to account them differently withing
/proc/irqstats so we actually know what happened.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/smp.c')
| -rw-r--r-- | arch/s390/kernel/smp.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 3bde568..3ea8728 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -187,7 +187,10 @@ static void do_ext_call_interrupt(unsigned int ext_int_code, { unsigned long bits; - kstat_cpu(smp_processor_id()).irqs[EXTINT_IPI]++; + if (ext_int_code == 0x1202) + kstat_cpu(smp_processor_id()).irqs[EXTINT_EXC]++; + else + kstat_cpu(smp_processor_id()).irqs[EXTINT_EMS]++; /* * handle bit signal external calls */ |
