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    DateThu, 2 Nov 2006 08:31:09 +0000
    FromRussell King <>
    SubjectRe: mmaping a kernel buffer to user space
    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
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