This is in preparation for dump_stack_lvl() which will allow the log level to
be passed.
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Greg Thelen <gthelen@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Signed-off-by: Aristeu Rozanski <aris@xxxxxxxxxx>
---
lib/dump_stack.c | 16 +++++++++++-----
1 file changed, 11 insertions(+), 5 deletions(-)
--- linux-2.6.orig/lib/dump_stack.c 2015-11-05 13:56:08.387048346 -0500
+++ linux-2.6/lib/dump_stack.c 2015-11-05 13:56:34.900748897 -0500
@@ -9,9 +9,9 @@
#include <linux/smp.h>
#include <linux/atomic.h>
-static void __dump_stack(void)
+static void __dump_stack(char *log_lvl)
{
- dump_stack_print_info(KERN_DEFAULT);
+ dump_stack_print_info(log_lvl);
show_stack(NULL, NULL);
}
@@ -23,7 +23,7 @@ static void __dump_stack(void)
#ifdef CONFIG_SMP
static atomic_t dump_lock = ATOMIC_INIT(-1);
-asmlinkage __visible void dump_stack(void)
+static void _dump_stack(char *log_lvl)
{
int was_locked;
int old;
@@ -47,17 +47,23 @@ was_locked = 0;
goto retry;
}
- __dump_stack();
+ __dump_stack(log_lvl);
if (!was_locked)
atomic_set(&dump_lock, -1);
preempt_enable();
}
+
+asmlinkage __visible void dump_stack(void)
+{
+ _dump_stack(KERN_DEFAULT);
+}
+
#else
asmlinkage __visible void dump_stack(void)
{
- __dump_stack();
+ __dump_stack(KERN_DEFAULT);
}
#endif
EXPORT_SYMBOL(dump_stack);
--
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