On Mon Jun 15, 2026 at 4:05 AM PDT, Harry Yoo (Oracle) wrote:
>
> +/*
> + * A no-op function used to attach kprobe handlers in slub_kunit tests.
> + * The barrier is needed to prevent the compiler from optimizing out
> callsites.
> + */
> +#if defined(CONFIG_DEBUG_VM) || defined(CONFIG_PROVE_LOCKING)
> +static noinline void slab_attach_kprobe_locked(void)
> +{
> + barrier();
> +}
> +#else
> +static inline void slab_attach_kprobe_locked(void) { }
> +#endif
> +
> +#define slab_lockdep_assert_held(lock) do { \
> + lockdep_assert_held(lock); \
> + slab_attach_kprobe_locked(); \
> +} while (0)
Great idea. That should cover all kinds of cases.
