Re: [RFC local_t removal V2 2/3] Remove local_t type from tree.

[Arnd Bergmann]

On Thursday 07 January 2010 23:35:26 Christoph Lameter wrote:
> -#define local_add_return(i, l) atomic_long_add_return((i), (&(l)->a))
> +       local_irq_save(flags);
> +       switch (size) {
> +       case 1: r = (*((u8 *)ptr) += value);
> +               break;
> +       case 2: r = (*((u16 *)ptr) += value);
> +               break;
> +       case 4: r = (*((u32 *)ptr) += value);
> +               break;
> +       case 8: r = (*((u64 *)ptr) += value);
> +               break;
> +       }
> +       local_irq_restore(flags);
> +       return r;
> +}

This still misses 'volatile'.

	Arnd
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/