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    SubjectRe: DMA API issues
    James Bottomley wrote:

    > The iseries can't because the PCI bus sits behind the hypervisor and has
    > to use accessors to get at the on chip memory, it can't simply be mapped
    > into the address space like it can on ARM.

    So you're saying that the iSeries can't implement dma_alloc_coherent()
    for such hardware, yes? In that case, it should return a polite failure
    status. Meanwhile, hardware that _can_ implement it should do so.

    - Dave

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      Last update: 2005-03-22 14:03    [W:0.020 / U:3.436 seconds]
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