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context_tracking: Make context_tracking_key __ro_after_init 

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>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>
Link: https://lore.kernel.org/r/20240313180106.2917308-3-vschneid@redhat.com
This commit is contained in:
Valentin Schneider 2024-03-13 19:01:04 +01:00 committed by Ingo Molnar
parent 91a1d97ef4
commit 4eab44a8ae
1 changed files with 1 additions and 1 deletions
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kernel/context_tracking.c
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@ -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)