Messages in this thread | | | Date | Mon, 18 Aug 2003 09:07:12 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH] RFC: kills consistent_dma_mask |
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On Mon, Aug 18, 2003 at 12:34:17AM +0200, Krzysztof Halasa wrote: > Hi, > > What do you think about this patch? It kills all references to > consistent_dma_mask in 2.6.0-test3 tree. > > The consistent_dma_mask (and set_... function) is presumably a hack > which is currently not used by anything (at least in the official tree). > It's unneeded (it can be easily done in a driver, should a need arrive, > without polluting the PCI subsystem) and is not supported by "DMA" API. > It isn't even implemented on most platforms - only x86_64 and ia64 have > support for it, while on the remaining archs using it according to the > docs (with non-default value) could mean Oops or something like that.
So better fix the support. This code was recently included after DaveM as pci dma maintainer ACKed it.
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