Module: xenomai-jki
Branch: for-forge
Commit: faa1ac6ef2d93e2aeb10491b318cff8eddca8ffb
URL:
http://git.xenomai.org/?p=xenomai-jki.git;a=commit;h=faa1ac6ef2d93e2aeb10491b318cff8eddca8ffb
Author: Jan Kiszka <jan.kis...@siemens.com>
Date: Fri Aug 30 19:53:07 2013 +0200
kernel/cobalt: Interpret empty supported CPU mask as disable request
Instead of stumbling over xenomai.supported_cpus=0, interpret it as a
request to keep Xenomai disabled.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
kernel/cobalt/init.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/kernel/cobalt/init.c b/kernel/cobalt/init.c
index b378969..bda790e 100644
--- a/kernel/cobalt/init.c
+++ b/kernel/cobalt/init.c
@@ -144,6 +144,11 @@ static int __init mach_setup(void)
}
#endif /* CONFIG_SMP */
+ if (cpumask_empty(&xnsched_realtime_cpus)) {
+ printk(XENO_WARN "disabled via empty real-time CPU mask\n");
+ return -ENOSYS;
+ }
+
ret = ipipe_select_timers(&xnsched_realtime_cpus);
if (ret < 0)
return ret;
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