X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=kernel%2Fstacktrace.c;h=eb212f8f8bc801dab1ee7622936ba8caaec4369f;hb=aa9c67f53d1969cf1db4c9c2db3a78c4ceb96469;hp=0914d0cbc83c9f48496b927602d87e6293d4530a;hpb=bfeeeeb991cf75081e6c2f74d44ae5da05b50a94;p=safe%2Fjmp%2Flinux-2.6

diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
index 0914d0c..eb212f8 100644
--- a/kernel/stacktrace.c
+++ b/kernel/stacktrace.c
@@ -6,22 +6,32 @@
  *  Copyright (C) 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
  */
 #include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/kallsyms.h>
 #include <linux/stacktrace.h>
 
 void print_stack_trace(struct stack_trace *trace, int spaces)
 {
-	int i, j;
+	int i;
 
 	if (WARN_ON(!trace->entries))
 		return;
 
 	for (i = 0; i < trace->nr_entries; i++) {
-		unsigned long ip = trace->entries[i];
-
-		for (j = 0; j < spaces + 1; j++)
-			printk(" ");
-		print_ip_sym(ip);
+		printk("%*c", 1 + spaces, ' ');
+		print_ip_sym(trace->entries[i]);
 	}
 }
+EXPORT_SYMBOL_GPL(print_stack_trace);
 
+/*
+ * Architectures that do not implement save_stack_trace_tsk get this
+ * weak alias and a once-per-bootup warning (whenever this facility
+ * is utilized - for example by procfs):
+ */
+__weak void
+save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
+{
+	WARN_ONCE(1, KERN_INFO "save_stack_trace_tsk() not implemented yet.\n");
+}