Messages in this thread | | | Date | Thu, 2 Nov 2006 08:31:09 +0000 | From | Russell King <> | Subject | Re: mmaping a kernel buffer to user space |
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On Wed, Nov 01, 2006 at 01:58:17PM +0100, Guillermo Marcus Martinez wrote: > My suggestion would be to add two functions: pci_map_consistent() and > dma_map_coherent() to address this issue, and their corresponding > unmap's. That will make sure all that is needed is done, is a clean and > consistent with the pci_ and dma_ APIs, and fills a mmap requirement not > covered by the other functions.
You might want to look through include/asm-arm/dma-mapping.h to see if an architecture already has considered that and the interface they implemented.
-- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 Serial core - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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