lkml.org 
[lkml]   [2000]   [Dec]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 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/

\
 
 \ /
  Last update: 2005-03-22 12:52    [W:0.095 / U:26.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site