Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / stacktrace.c

diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c
index 8c4e4f5bf0403fa0ffaa42e89f9261e2f4fa4fe1..a03e7f6d90c35af5f4638f6394e4a39f6e2e4020 100644 (file)
--- a/arch/x86/kernel/stacktrace.c
+++ b/arch/x86/kernel/stacktrace.c
@@ -24,7 +24,9 @@ static int save_stack_stack(void *data, char *name)
 
 static void save_stack_address(void *data, unsigned long addr, int reliable)
 {
-       struct stack_trace *trace = (struct stack_trace *)data;
+       struct stack_trace *trace = data;
+       if (!reliable)
+               return;
        if (trace->skip > 0) {
                trace->skip--;
                return;
@@ -33,9 +35,12 @@ static void save_stack_address(void *data, unsigned long addr, int reliable)
                trace->entries[trace->nr_entries++] = addr;
 }
 
-static void save_stack_address_nosched(void *data, unsigned long addr)
+static void
+save_stack_address_nosched(void *data, unsigned long addr, int reliable)
 {
        struct stack_trace *trace = (struct stack_trace *)data;
+       if (!reliable)
+               return;
        if (in_sched_functions(addr))
                return;
        if (trace->skip > 0) {
@@ -65,14 +70,16 @@ static const struct stacktrace_ops save_stack_ops_nosched = {
  */
 void save_stack_trace(struct stack_trace *trace)
 {
-       dump_trace(current, NULL, NULL, &save_stack_ops, trace);
+       dump_trace(current, NULL, NULL, 0, &save_stack_ops, trace);
        if (trace->nr_entries < trace->max_entries)
                trace->entries[trace->nr_entries++] = ULONG_MAX;
 }
+EXPORT_SYMBOL_GPL(save_stack_trace);
 
 void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
 {
-       dump_trace(tsk, NULL, NULL, &save_stack_ops_nosched, trace);
+       dump_trace(tsk, NULL, NULL, 0, &save_stack_ops_nosched, trace);
        if (trace->nr_entries < trace->max_entries)
                trace->entries[trace->nr_entries++] = ULONG_MAX;
 }
+EXPORT_SYMBOL_GPL(save_stack_trace_tsk);