Module: xenomai-2.5
Branch: master
Commit: 227eeace82fbc49d7bd10397c596c48b700decfa
URL:
http://git.xenomai.org/?p=xenomai-2.5.git;a=commit;h=227eeace82fbc49d7bd10397c596c48b700decfa
Author: Jan Kiszka <jan.kis...@siemens.com>
Date: Fri Nov 12 13:38:36 2010 +0100
nucleus: Avoid spurious calls to xnarch_send_ipi
The test to derive the need for sending IPIs has to be based on the
resched bitmap, not the XNRESCHED flag.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
ksrc/nucleus/pod.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/ksrc/nucleus/pod.c b/ksrc/nucleus/pod.c
index a5993fa..7ac9a32 100644
--- a/ksrc/nucleus/pod.c
+++ b/ksrc/nucleus/pod.c
@@ -2163,7 +2163,7 @@ static inline int __xnpod_test_resched(struct xnsched
*sched)
int resched = testbits(sched->status, XNRESCHED);
#ifdef CONFIG_SMP
/* Send resched IPI to remote CPU(s). */
- if (unlikely(xnsched_resched_p(sched))) {
+ if (unlikely(!xnarch_cpus_empty(sched->resched))) {
xnarch_memory_barrier();
xnarch_send_ipi(sched->resched);
xnarch_cpus_clear(sched->resched);
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