On Tue, Jan 8, 2013 at 4:58 PM, Eric W. Biederman <ebied...@xmission.com> wrote:
>
> So instead we need to say?
>
> + if (no_iotlb_memory)
> + panic("Cannot allocate SWIOTLB buffer");
> +
>
> Which is just making the panic a little later than it used to be and
> seems completely reasonable.
yes, looks some driver just use map_single without checking results.
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