cpu/bus speed detection (was Re: Linux 2.4.2ac7

[Tigran Aivazian]

On Thu, 1 Mar 2001, Alan Cox wrote:
> Please send me the value of your 0x2A MTRR. Because this isnt properly intel
> documented there is a certain amount of research still required.
> 

ok, adding this to init_intel():

        u32 lo, hi;

        rdmsr(0x2A, lo, hi);
        printk(KERN_ERR "lo=%x hi=%x\n", lo, hi);

produces the output:

# dmesg | grep lo=
lo=c5100800 hi=0
lo=c5100800 hi=0
lo=c5000800 hi=0

Tigran