Module: xenomai-3
Branch: stable-3.0.x
Commit: 33dd9ce1b5765e3f9da6de21ea647ea3cd454ba9
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=33dd9ce1b5765e3f9da6de21ea647ea3cd454ba9
Author: Philippe Gerum <r...@xenomai.org>
Date: Tue Apr 10 16:02:39 2018 +0200
cobalt: unconditionally allow idling requests
Wait for the idling interface rework from I-pipe/4.14, which will
provide more information for determining whether Cobalt should be ok
with entering the target idle state.
As a result of this change, the original kernel behavior is restored
for all ipipe-4.9.y patches with respect to entering an idle state,
including for the releases lacking commits #89146106e8 or #8d3fa22c95.
This change only affects kernels built with CONFIG_CPU_IDLE enabled.
NOTE: XNIDLE is intentionally kept for future use in the Cobalt core.
---
kernel/cobalt/posix/process.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/kernel/cobalt/posix/process.c b/kernel/cobalt/posix/process.c
index 684e7e3..dbcb81e 100644
--- a/kernel/cobalt/posix/process.c
+++ b/kernel/cobalt/posix/process.c
@@ -822,10 +822,12 @@ int ipipe_trap_hook(struct ipipe_trap_data *data)
return KEVENT_PROPAGATE;
}
-bool ipipe_enter_idle_hook(void) /* hw IRQs off */
+/*
+ * Legacy idle hook, unconditionally allow entering the idle state.
+ */
+bool ipipe_enter_idle_hook(void)
{
- struct xnsched *sched = xnsched_current();
- return !!(sched->lflags & XNIDLE);
+ return true;
}
#ifdef CONFIG_SMP
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