Re: [PATCH/RFC] introduce ARCH_CAN_UNALIGNED_ACCESS Kconfig symbol

From: Will Newton
Date: Thu Mar 20 2008 - 10:39:21 EST


On Thu, Mar 20, 2008 at 2:34 PM, Johannes Berg
<johannes@xxxxxxxxxxxxxxxx> wrote:

> +For some ethernet hardware that cannot DMA to unaligned addresses like
> +4*n+2 or non-ethernet hardware, this can be a problem, and it is then
> +required to copy the incoming frame into an aligned buffer. Because this is
> +unnecessary on architectures that can do unaligned accesses, the code can be
> +made depend on CONFIG_ARCH_CAN_UNALIGNED_ACCESS like so:
> +
> +#ifdef CONFIG_ARCH_CAN_UNALIGNED_ACCESS
> + skb = copy skb
> +#else
> + skb = original skb
> +#endif

Is this logic reversed?
--
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/