On Fri, 2009-09-04 at 16:51 +1000, npiggin@xxxxxxx wrote:
> +static void file_list_lock_all(void)
> +{
> + int i;
> + int nr = 0;
> +
> + for_each_possible_cpu(i) {
> + spinlock_t *lock;
> +
> + lock = &per_cpu(files_cpulock, i);
> + spin_lock_nested(lock, nr);
> + nr++;
> + }
> +}
Same here, this'll make lockdep explode on >8-way. And create large spin
times on large smp boxen.
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