Messages in this thread | | | Date | Fri, 10 Jan 2003 19:38:18 +0100 | From | Alan Cox <> | Subject | Re: [2.4.20] e1000 as module gives unresolved symbol _mmx_memcpy [rescued] |
| |
> a) a kernel build for a VIA C3 doesn't use MMX, userspace programs can > still use it
Basically true. It might be instructive to do more benching on this with the C3 and MMX especially if the new cores add full prefetch stuff
> b) Both kernel and userspace can't use MMX any more
MMX is designed to need no OS support. SSE/SSE2 do need OS helpers but not MMX.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |