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From: Valentin Schneider <vschneid@redhat.com>
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Subject: [PATCH v3 2/4] context_tracking: Make context_tracking_key __ro_after_init
Date: Wed, 13 Mar 2024 19:01:04 +0100
Message-ID: <20240313180106.2917308-3-vschneid@redhat.com>
In-Reply-To: <20240313180106.2917308-1-vschneid@redhat.com>
References: <20240313180106.2917308-1-vschneid@redhat.com>
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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 --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)
-- 
2.43.0