[PATCH 4/5] x86: dumpstack - implement show_stack_lvl()

[aris@redhat.com]

[-- Attachment #1: arch-x86.patch --]
[-- Type: text/plain, Size: 1556 bytes --]

show_stack_lvl() allows passing the log level and is used by dump_stack_lvl().

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Greg Thelen <gthelen@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Aristeu Rozanski <aris@redhat.com>

---
 arch/x86/kernel/dumpstack.c |    9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

--- linux-2.6.orig/arch/x86/kernel/dumpstack.c	2015-11-05 13:33:30.994378877 -0500
+++ linux-2.6/arch/x86/kernel/dumpstack.c	2015-11-05 13:44:37.014856773 -0500
@@ -180,7 +180,7 @@ void show_trace(struct task_struct *task
 	show_trace_log_lvl(task, regs, stack, bp, "");
 }
 
-void show_stack(struct task_struct *task, unsigned long *sp)
+void show_stack_lvl(struct task_struct *task, unsigned long *sp, char *log_lvl)
 {
 	unsigned long bp = 0;
 	unsigned long stack;
@@ -194,7 +194,12 @@ unsigned long bp = 0;
 		bp = stack_frame(current, NULL);
 	}
 
-	show_stack_log_lvl(task, NULL, sp, bp, "");
+	show_stack_log_lvl(task, NULL, sp, bp, log_lvl);
+}
+
+void show_stack(struct task_struct *task, unsigned long *sp)
+{
+	show_stack_lvl(task, sp, KERN_DEFAULT);
 }
 
 static arch_spinlock_t die_lock = __ARCH_SPIN_LOCK_UNLOCKED;

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