From: Valentin Schneider Date: Wed, 13 Mar 2024 18:01:04 +0000 (+0100) Subject: context_tracking: Make context_tracking_key __ro_after_init X-Git-Tag: io_uring-6.10-20240523~143^2~18 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=4eab44a8ae98df53e59f6af3c860142177235507;p=linux-block.git 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 Signed-off-by: Ingo Molnar Acked-by: Josh Poimboeuf Link: https://lore.kernel.org/r/20240313180106.2917308-3-vschneid@redhat.com --- diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c index 70ae70d03823..24b1e1143260 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 -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)