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

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

Cc: Petr Mladek <pmladek@xxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: tangmeng <tangmeng@xxxxxxxxxxxxx>
Cc: "Guilherme G. Piccoli" <gpiccoli@xxxxxxxxxx>
Cc: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>
Cc: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
 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




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