dump_stack_lvl() allows passing the log level down to the architecture specific
code.
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>
---
include/linux/printk.h | 1 +
lib/dump_stack.c | 11 +++++++++++
2 files changed, 12 insertions(+)
--- linux-2.6.orig/lib/dump_stack.c 2015-11-05 10:56:52.529526114 -0500
+++ linux-2.6/lib/dump_stack.c 2015-11-05 13:16:15.057078858 -0500
@@ -55,6 +55,11 @@ was_locked = 0;
preempt_enable();
}
+asmlinkage __visible void dump_stack_lvl(char *log_lvl)
+{
+ _dump_stack(log_lvl);
+}
+
asmlinkage __visible void dump_stack(void)
{
_dump_stack(KERN_DEFAULT);
@@ -65,5 +70,11 @@ asmlinkage __visible void dump_stack(voi
{
__dump_stack(KERN_DEFAULT);
}
+
+asmlinkage __visible void dump_stack_lvl(char *log_lvl)
+{
+ __dump_stack(log_lvl);
+}
#endif
EXPORT_SYMBOL(dump_stack);
+EXPORT_SYMBOL(dump_stack_lvl);
--- linux-2.6.orig/include/linux/printk.h 2015-11-05 10:56:13.163970713 -0500
+++ linux-2.6/include/linux/printk.h 2015-11-05 13:16:15.057078858 -0500
@@ -231,6 +231,7 @@ static inline void show_regs_print_info(
#endif
extern asmlinkage void dump_stack(void) __cold;
+extern asmlinkage void dump_stack_lvl(char *log_lvl);
#ifndef pr_fmt
#define pr_fmt(fmt) fmt
--
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