From: Linus Torvalds <[EMAIL PROTECTED]>
Date: Fri, 29 Aug 2008 09:14:44 -0700 (PDT)
> Well, it probably boots because it doesn't really seem to _change_ much of
> anything.
>
> Things like this:
>
> -static inline void arch_send_call_function_ipi(cpumask_t mask)
> +static inline void arch_send_call_function_ipi(cpumask_t *mask)
> {
> - smp_ops.send_call_func_ipi(mask);
> + smp_ops.send_call_func_ipi(*mask);
> }
>
> will still do that stack allocation at the time of the call. You'd have to
> pass the thing all the way down as a pointer..
True, but we have to get there one step at a time.
BTW, sparc64 already wants a pointer here, so it's completely ready for
this:
void arch_send_call_function_ipi(cpumask_t mask)
{
xcall_deliver((u64) &xcall_call_function, 0, 0, &mask);
}
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