[PATCH] x86: add sysctl for kstack_depth_to_print
Add sysctl for kstack_depth_to_print. This lets users change
the amount of raw stack data printed in dump_stack() without
having to reboot.
Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Signed-off-by: Andi Kleen <ak@suse.de>
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index 7b2f9f0..1d48a75 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -91,7 +91,7 @@
asmlinkage void spurious_interrupt_bug(void);
asmlinkage void machine_check(void);
-static int kstack_depth_to_print = 24;
+int kstack_depth_to_print = 24;
#ifdef CONFIG_STACK_UNWIND
static int call_trace = 1;
#else
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index 264db33..75cecce 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -108,7 +108,7 @@
preempt_enable_no_resched();
}
-static int kstack_depth_to_print = 12;
+int kstack_depth_to_print = 12;
#ifdef CONFIG_STACK_UNWIND
static int call_trace = 1;
#else