swi_vm() and busdma_swi()?

[Sepherosa Ziehau]

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

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