Followup to: <Pine.LNX.4.44.0303181113590.13708-100000@home.transmeta.com>
By author: Linus Torvalds <torvalds@transmeta.com>
In newsgroup: linux.dev.kernel
>
> Wow. There aren't many things that AMD tends to show the P4-like "big
> latency in rare cases" behaviour.
>
> But quite honestly, I think they made the right call, and I _expect_ that
> of modern CPU's. The fact is, modern CPU's tend to need to pre-decode the
> instruction stream some way, and storing to it while running from it is
> just a really really bad idea. And since it's so easy to avoid it, you
> really just shouldn't do it.
>
AMD, I believe, has an "annotated" icache.
-hpa
-- <hpa@transmeta.com> at work, <hpa@zytor.com> in private! "Unix gives you enough rope to shoot yourself in the foot." Architectures needed: ia64 m68k mips64 ppc ppc64 s390 s390x sh v850 x86-64 - 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/
This archive was generated by hypermail 2b29 : Sun Mar 23 2003 - 22:00:25 EST