[Linaro-mm-sig] [PATCH] dma-buf: add support for kernel cpu access

On 20 March 2012 04:32, Daniel Vetter wrote: > Big differences to other contenders in the field (like ion) is > that this also supports highmem, so we have to split up the cpu > access from the kernel side into a prepare and a kmap step. > > Prepare is allowed to fail and should do everything requ

Re: [Linaro-mm-sig] [PATCH] dma-buf: add support for kernel cpu access

On 20 March 2012 04:32, Daniel Vetter wrote: > Big differences to other contenders in the field (like ion) is > that this also supports highmem, so we have to split up the cpu > access from the kernel side into a prepare and a kmap step. > > Prepare is allowed to fail and should do everything requ