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authorChuck Ebbert <76306.1226@compuserve.com>2006-12-07 01:14:11 (GMT)
committerAndi Kleen <andi@basil.nowhere.org>2006-12-07 01:14:11 (GMT)
commit0741f4d207a644482d7a040f05cd264c98cf7ee8 (patch)
tree787f2fffc12871d0f19e492fc4258cda254aa42d /kernel/sysctl.c
parentc7a3392e9e53e43c44a971de3dd480a8e2788e75 (diff)
downloadlinux-fsl-qoriq-0741f4d207a644482d7a040f05cd264c98cf7ee8.tar.xz
[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>
Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 09e569f..6fc5e17 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -54,6 +54,7 @@ extern int proc_nr_files(ctl_table *table, int write, struct file *filp,
#ifdef CONFIG_X86
#include <asm/nmi.h>
+#include <asm/stacktrace.h>
#endif
#if defined(CONFIG_SYSCTL)
@@ -707,6 +708,14 @@ static ctl_table kern_table[] = {
.mode = 0444,
.proc_handler = &proc_dointvec,
},
+ {
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "kstack_depth_to_print",
+ .data = &kstack_depth_to_print,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ },
#endif
#if defined(CONFIG_MMU)
{