diff mbox series

[v3,2/4] context_tracking: Make context_tracking_key __ro_after_init

Message ID 20240313180106.2917308-3-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 
context_tracking_key is only ever enabled in __init ct_cpu_tracker_user(),
so mark it as __ro_after_init.

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

Patch

diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c
index 70ae70d038233..24b1e11432608 100644
--- a/kernel/context_tracking.c
+++ b/kernel/context_tracking.c
@@ -432,7 +432,7 @@  static __always_inline void ct_kernel_enter(bool user, int offset) { }
 #define CREATE_TRACE_POINTS
 #include <trace/events/context_tracking.h>
 
-DEFINE_STATIC_KEY_FALSE(context_tracking_key);
+DEFINE_STATIC_KEY_FALSE_RO(context_tracking_key);
 EXPORT_SYMBOL_GPL(context_tracking_key);
 
 static noinstr bool context_tracking_recursion_enter(void)