Jesse Barnes wrote: > On Thursday, January 22, 2009 11:02 am Grant Grundler wrote: >> On Thu, Jan 22, 2009 at 04:56:22PM +0530, yogeshwar sonawane wrote: >>> Hi all, >>> >>> If there are multiple PCIe cards of the same type, e.g. 3 or 4 network >>> controllers, in a node. >>> Now, if one allocates a buffer using pci_alloc_consistent() using >>> pci_dev struct of one of the card. >>> >>> 1) Whether that buffer can be used by remaining cards also ? >>> OR >>> Whether DMA addresses returned by pci_alloc_consistent() can be used >>> by all the cards explained in above situation ? >> What bjorn said. >> >>> 2) What will be the case for multiple platforms/architectures ? >> pci_alloc_consistent() should conform to Documentation/DMA-API.txt >> and Documentation/DMA-mapping.txt. This is true for any platform or >> architecture. >> >> BTW, the latter should be moved to Documentation/PCI....Jesse? > > Yeah, I thought Randy had a patch to do that... I do/did. I wonder how/where/when it got lost. :( I found it, will update it. Thanks, -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
