On Mon, Oct 20, 2003 at 08:07:15AM -0600, ron minnich wrote:
On 18 Oct 2003, Eric W. Biederman wrote:
EPIA has problem with current CVS (resets when setting var mtrr), and it worked again when I reversed this change. According to the Intel System Programming Manual for PIII, bits 36-63 are reserved, and apparently C3 doesn't like it to be set.
Ok. Then this needs to be fixed. I am wondering how we code this cleanly.
I don't see much of an issue. The code in question sets bits that are reserved on just about any pentium-compatible CPU, and it should not. So we don't set those bits.
This code is used by K8 as well. K8 uses these bits to for memory over 64GB.
It's not wise to duplicate the whole file into cpu/k8 directory for a tiny constant difference.