for_each_online_cpu is not free of function calls on SMP, thus causes
false NMI noise in the tracer log (due to tracer recursions). Switch to
some plain loop instead.
Jan
--
Siemens AG, Corporate Technology, CT SE 2
Corporate Competence Center Embedded Linux
---
kernel/ipipe/tracer.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Index: linux-2.6.22.9/kernel/ipipe/tracer.c
===================================================================
--- linux-2.6.22.9.orig/kernel/ipipe/tracer.c
+++ linux-2.6.22.9/kernel/ipipe/tracer.c
@@ -252,7 +252,7 @@ __ipipe_trace_freeze(int cpu_id, struct
active = __ipipe_get_free_trace_path(active, cpu_id);
/* check if this is the first frozen path */
- for_each_online_cpu(i) {
+ for (i = 0; i < NR_CPUS; i++) {
if ((i != cpu_id) &&
(trace_paths[i][frozen_path[i]].end >= 0))
tp->end = -1;
@@ -515,7 +515,7 @@ int ipipe_trace_max_reset(void)
flags = __ipipe_global_path_lock();
- for_each_online_cpu(cpu_id) {
+ for (cpu_id = 0; cpu_id < NR_CPUS; cpu_id++) {
path = &trace_paths[cpu_id][max_path[cpu_id]];
if (path->dump_lock) {
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