Module: xenomai-head
Branch: master
Commit: 15a48b82b49bb3cc8b336b081ac502d1544144f9
URL:
http://git.xenomai.org/?p=xenomai-head.git;a=commit;h=15a48b82b49bb3cc8b336b081ac502d1544144f9
Author: Gilles Chanteperdrix <gilles.chanteperd...@xenomai.org>
Date: Fri Jan 7 23:56:00 2011 +0100
nucleus/sched: avoid useless nklock synchronization in relax path
---
ksrc/nucleus/pod.c | 10 +++-------
1 files changed, 3 insertions(+), 7 deletions(-)
diff --git a/ksrc/nucleus/pod.c b/ksrc/nucleus/pod.c
index d3a3122..b5ddbaa 100644
--- a/ksrc/nucleus/pod.c
+++ b/ksrc/nucleus/pod.c
@@ -2327,8 +2327,6 @@ reschedule:
#ifdef CONFIG_XENO_OPT_PERVASIVE
shadow_epilogue:
{
- spl_t ignored;
-
/* Shadow on entry and root without shadow extension on exit?
Mmmm... This must be the user-space mate of a deleted
real-time
shadow we've just rescheduled in the Linux domain to have it
@@ -2338,11 +2336,9 @@ reschedule:
xnshadow_exit();
}
- /* We need to relock nklock here, since it is not locked and
- the caller may expect it to be locked. */
- xnlock_get_irqsave(&nklock, ignored);
- xnlock_put_irqrestore(&nklock, s);
-
+ /* We are returning to xnshadow_relax via
+ xnpod_suspend_thread, do nothing,
+ xnpod_suspend_thread will re-enable interrupts. */
return;
}
#endif /* CONFIG_XENO_OPT_PERVASIVE */
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