Messages in this thread | | | From | (Alan Cox) | Subject | Re: [Linux-3D] Try my new DMA kernel functions | Date | Tue, 9 Jun 1998 21:57:55 +0100 (BST) |
| |
> > I care about - firstly mmap /dev/mem, start video grabbing on it, secondly > > grabbing into the image part of a sys5 shared memory MITSHM block. > > sys5 shared memory is stupid and obsolete. It's good to have the > facility around so that stupid and obsolete programs still work, but > when considering radical new OS features, we shouldn't design them > around ancient quirks that no wise programmer will use in new code.
Stupid, obsolete humm - video folks do DMA to MITSHM X objects because its FAST, way faster than the alternatives generally available. I doubt they generally give a hoot about SYS5 v BSD shm arguments at all.
Alan
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu
| |