swi_vm() and busdma_swi()?

[Venkatesh Srinivas]

On Tue, Nov 30, 2010 at 9:42 PM, Sepherosa Ziehau <sepherosa at gmail.com> wrote:
> On Wed, Dec 1, 2010 at 6:38 AM, Venkatesh Srinivas
> <me at endeavour.zapto.org> wrote:
>> Hi,
>>
>> In the per-mach busdma code, busdma_swi() walks a callback list under
>
> busdma_swi() should be deprecated and removed, however, before that
> you will have to fix some old drivers bus_dmamap_load()'s callback
> logic first (all of these old drivers should be marked as non-mpsafe).
>
> Best Regards,
> sephe

Does this mean those drivers already don't function on amd64?

Thanks,
-- vs