Messages in this thread |  | | Date | Sat, 23 Dec 2000 09:21:51 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: About Celeron processor memory barrier problem |
| |
On Thu, 23 Dec 1999, michael chen wrote: > I found that when I compiled the 2.4 kernel with the option > of Pentium III or Pentium 4 on a Celeron's PC, it could cause the > system hang at very beginning boot stage, and I found the problem > is cause by the fact that Intel Celeron doesn't have a real memory > barrier,but when you choose the Pentium III option, the kernel > assume the processor has a real memory barrier. > Here is a patch to fix it:
No.
The fix is to not lie to the configurator.
A Celeron isn't a PIII, and you shouldn't tell the configure that it is.
The whole point of being able to choose the CPU to optimize for is that we can optimize things at compile-time.
Linus
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
|  |