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SubjectRe: [PATCH 2/3] dma: override "dma_flags_set_dmaflush" for sn-ia64 wrote:
> Define ARCH_DOES_POSTED_DMA, and override the dma_flags_set_dmaflush
> function. Also define dma_flags_get_direction, dma_flags_get_dmaflush
> to retrieve the direction and "dmaflush attribute" from flags
> passed to the sn_dma_map_* functions.

Hi Arthur,

I'm a little concerned about changing the API for the dma_ foo
functions, which are defined cross platform. If you want to change
that, I think it will require updating the documentation explaining

Regarding ARCH_DOES_POSTED_DMA, is that sufficient as a #define or
does it have to be run-time tested? (does it do anything at this
stage). I ask since not all ia64 platforms do posted DMA.

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