Messages in this thread | ![/](/images/icornerl.gif) | | Date | Mon, 28 Apr 2003 13:47:17 +0200 | From | Andi Kleen <> | Subject | Re: [PATCH] Support worst case cache line sizes as config option |
| |
On Mon, Apr 28, 2003 at 11:16:16AM +0200, Adrian Bunk wrote: > Your X86_GENERIC is semantically equivalent to M386.
M386 is tuning for the Intel 386
X86_GENERIC is "try to tune for all CPUs if possible"
> This doesn't work. E.g. MPENTIUMIII has the semantics of "support > Pentium-III and above". If you want to compile a kernel that runs on > both a Pentium-III and a Pentium-4 you choose MPENTIUMIII which implies > X86_L1_CACHE_SHIFT=5 ...
Admittedly the other options could be changed to
default "4" if (MELAN || M486 || M386) && !X86_GENERIC
but that looked a bit too ugly and it seems to work even without.
-Andi - 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/
| ![\](/images/icornerr.gif) |