From: Kees Cook <keescook@xxxxxxxxxxxx> commit 9360d035a579d95d1e76c471061b9065b18a0eb1 upstream. 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> Reviewed-by: Luis Chamberlain <mcgrof@xxxxxxxxxx> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> Link: https://lore.kernel.org/r/20221117234328.594699-1-keescook@xxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- kernel/panic.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- 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) +#ifdef CONFIG_SYSCTL static struct ctl_table kern_panic_table[] = { +#ifdef 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 { } };