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... -- Jesse Barnes, Intel Open Source Technology Center -- 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
