[PATCH v2 1/6] panic: Separate sysctl logic from CONFIG_SMP

Kees Cook
2022-11-09T20:00:56Z

In preparation for adding more sysctls directly in kernel/panic.c, split
CONFIG_SMP from the logic that adds sysctls.

Cc: Petr Mladek <pmladek@suse.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: tangmeng <tangmeng@uniontech.com>
Cc: "Guilherme G. Piccoli" <gpiccoli@igalia.com>
Cc: Tiezhu Yang <yangtiezhu@loongson.cn>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Kees Cook <keescook@chromium.org>
---
kernel/panic.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/kernel/panic.c b/kernel/panic.c
index da323209f583..129936511380 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -75,8 +75,9 @@ ATOMIC_NOTIFIER_HEAD(panic_notifier_list);

EXPORT_SYMBOL(panic_notifier_list);

-#if defined(CONFIG_SMP) && defined(CONFIG_SYSCTL)
+#if CONFIG_SYSCTL
static struct ctl_table kern_panic_table[] = {
+#if defined(CONFIG_SMP)
{
.procname = "oops_all_cpu_backtrace",
.data = &sysctl_oops_all_cpu_backtrace,
@@ -86,6 +87,7 @@ static struct ctl_table kern_panic_table[] = {
.extra1 = SYSCTL_ZERO,
.extra2 = SYSCTL_ONE,
},
+#endif
{ }
};

--
2.34.1