diff mbox series

[v3,4/4] x86/tsc: Make __use_tsc __ro_after_init

Message ID 20240313180106.2917308-5-vschneid@redhat.com (mailing list archive)
State New, archived
Headers show
Series jump_label: Fix __ro_after_init keys for modules & annotate some keys | expand

Commit Message

Valentin Schneider March 13, 2024, 6:01 p.m. UTC 
__use_tsc is only ever enabled in __init tsc_enable_sched_clock(), so mark
it as __ro_after_init.

Signed-off-by: Valentin Schneider <vschneid@redhat.com>
Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>
---
 arch/x86/kernel/tsc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 5a69a49acc963..0f7624ed1d1d0 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -44,7 +44,7 @@  EXPORT_SYMBOL(tsc_khz);
 static int __read_mostly tsc_unstable;
 static unsigned int __initdata tsc_early_khz;
 
-static DEFINE_STATIC_KEY_FALSE(__use_tsc);
+static DEFINE_STATIC_KEY_FALSE_RO(__use_tsc);
 
 int tsc_clocksource_reliable;