> On Tuesday 24 September 2002 18:54, Dave Olien wrote:
> > According to the Documentation/DMA-mapping.txt file, the new
> > DMA mapping interfaces should allow all PCI transfers to use 32-bit DMA
> > addresses. Controllers on the PCI bus should never need to use DAC
> > PCI transfers. Based on this, writel() should work even on ia64.
>
> A totally disgusting idea: MMX/x87 are also capable of transferring 8
> bytes in one instruction on ia32.
to the north bridge. but then it's a bridge matter how to translate that
access on the PCI side... I guess.
regards
-- ______/ Rossetti Davide INFN - Roma I - APE group \______________ pho +390649914507/412 web: http://apegate.roma1.infn.it/~rossetti fax +390649914423 email: davide.rossetti@roma1.infn.it- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/