On Fri, 29 Aug 2008, Jes Sorensen wrote:
> 
> I have only tested this on ia64, but it boots, so it's obviously
> perfect<tm> :-)

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..

                        Linus


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