"Chen, Kenneth W" <[EMAIL PROTECTED]> wrote:
>
> +#ifdef ARCH_HAS_PREFETCH_SWITCH_STACK
> +extern void prefetch_switch_stack(struct task_struct*);
> +#else
> +#define prefetch_switch_stack(task) do { } while (0)
> +#endif
It is better to use
static inline void prefetch_switch_stack(struct task_struct *t) { }
in the second case, rather than a macro. It provides typechecking.
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