Re: + fix-ide-dma-resource-managment.patch added to -mm tree

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Hello.

Alan Cox wrote:

OTOH, it's handy in ide-dma.c itself. And hwif->extra_base is surely more efficient than pci_resource_start(hwif->dev, 4).


Its just more memory use so I doubt it.

dma_master and dma_base2 fields are taking up the memory anyway. I'm going to remove them both.

pci_resource_foo is just
derefencing internal structures not going to the bus.

   Note the double dereference vs single one.

WBR, Sergei
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