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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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