Module: xenomai-forge
Branch: master
Commit: 5050ef434f85dc35df5c34d1c1b38e775b4c1206
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=5050ef434f85dc35df5c34d1c1b38e775b4c1206
Author: Philippe Gerum <r...@xenomai.org>
Date: Fri Jan 6 18:07:43 2012 +0100
cobalt/nucleus: drop pointless CPU synchronization upon shutdown
---
include/asm-generic/bits/pod.h | 31 -------------------------------
1 files changed, 0 insertions(+), 31 deletions(-)
diff --git a/include/asm-generic/bits/pod.h b/include/asm-generic/bits/pod.h
index aaaaa74..868e9e8 100644
--- a/include/asm-generic/bits/pod.h
+++ b/include/asm-generic/bits/pod.h
@@ -151,39 +151,8 @@ static inline void xnarch_release_ipi(void)
return ipipe_free_irq(&rthal_archdata.domain, IPIPE_SERVICE_IPI0);
}
-static struct semaphore xnarch_finalize_sync;
-
-static void xnarch_finalize_cpu(unsigned irq)
-{
- up(&xnarch_finalize_sync);
-}
-
static inline void xnarch_notify_halt(void)
{
- xnarch_cpumask_t other_cpus = cpu_online_map;
- int cpu, nr_cpus = num_online_cpus();
- unsigned long flags;
-
- sema_init(&xnarch_finalize_sync,0);
-
- /* Here ipipe_current_domain is in fact root, since xnarch_notify_halt
is
- called from xnpod_shutdown, itself called from Linux
- context. */
-
- ipipe_request_irq(ipipe_current_domain, IPIPE_SERVICE_IPI2,
- (ipipe_irq_handler_t)xnarch_finalize_cpu,
- NULL, NULL);
-
- flags = hard_local_irq_save();
- cpu_clear(ipipe_processor_id(), other_cpus);
- ipipe_send_ipi(IPIPE_SERVICE_IPI2, other_cpus);
- hard_local_irq_restore(flags);
-
- for(cpu=0; cpu < nr_cpus-1; ++cpu)
- down(&xnarch_finalize_sync);
-
- ipipe_free_irq(ipipe_current_domain, IPIPE_SERVICE_IPI2);
-
rthal_release_control();
}
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