Hi Nick,
On Feb 3, 2008 11:52 AM, Nick Piggin <[EMAIL PROTECTED]> wrote:
> +asmlinkage void smp_call_function_fast_interrupt(void)
> +{
[snip]
> + while (!list_empty(&list)) {
> + struct call_single_data *data;
> +
> + data = list_entry(list.next, struct call_single_data, list);
> + list_del(&data->list);
> +
> + data->func(data->info);
> + if (data->wait) {
> + smp_mb();
> + data->wait = 0;
Why do we need smp_mb() here (maybe add a comment to keep
Andrew/checkpatch happy)?
Pekka
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