Hi. On Tue, Aug 2, 2011 at 6:48 PM, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> wrote: > Hello Everyone, > > This patchset introduces the proof-of-concept infrastructure for buffer > sharing between multiple devices using file descriptors. The infrastructure > has been integrated with V4L2 framework, more specifically videobuf2 and two > S5P drivers FIMC (capture interface) and TV drivers, but it can be easily > used by other kernel subsystems, like DRI. > > In this patch the buffer object has been simplified to absolute minimum - it > contains only the buffer physical address (only physically contiguous > buffers are supported), but this can be easily extended to complete scatter > list in the future. > Is this patch set an attempt to share a buffer between different processes via open file descriptors? Your patches seems to include several constructs to pack information about a buffer in an open file descriptor and to unpack it. I don't have any idea what is the purpose of your attempts. Is it the first step to the unified memory model that is being discussed in Linaro? Regards, Cho KyongHo. -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
