From: Heiko Carstens <heiko.carst...@de.ibm.com>
condition code "status stored" for sigp sense running always implies
that only the "not running" status bit is set. Therefore no need to
check if it is set.
Signed-off-by: Heiko Carstens <heiko.carst...@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidef...@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.h...@de.ibm.com>
---
arch/s390/kernel/smp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 15cca26..c78074c 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -158,8 +158,8 @@ static inline int pcpu_running(struct pcpu *pcpu)
if (__pcpu_sigp(pcpu->address, sigp_sense_running,
0, &pcpu->status) != sigp_status_stored)
return 1;
- /* Check for running status */
- return !(pcpu->status & 0x400);
+ /* Status stored condition code is equivalent to cpu not running. */
+ return 0;
}
/*
--
1.7.10.4
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