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panic: Separate sysctl logic from CONFIG_SMP

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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@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>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20221117234328.594699-1-keescook@chromium.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Kees Cook
2023-01-24 11:29:56 -08:00
committed by Greg Kroah-Hartman
parent 1b9a33a94b
commit 191a3b17dd
1 changed files with 3 additions and 1 deletions
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4
kernel/panic.c
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@@ -72,8 +72,9 @@ ATOMIC_NOTIFIER_HEAD(panic_notifier_list);
EXPORT_SYMBOL(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[] = { static struct ctl_table kern_panic_table[] = {
#ifdef CONFIG_SMP
{ {
.procname = "oops_all_cpu_backtrace", .procname = "oops_all_cpu_backtrace",
.data = &sysctl_oops_all_cpu_backtrace, .data = &sysctl_oops_all_cpu_backtrace,
@@ -83,6 +84,7 @@ static struct ctl_table kern_panic_table[] = {
.extra1 = SYSCTL_ZERO, .extra1 = SYSCTL_ZERO,
.extra2 = SYSCTL_ONE, .extra2 = SYSCTL_ONE,
}, },
#endif
{ } { }
}; };