FYI: Merge in progress...

YhLu YhLu at
Wed Oct 20 14:37:01 CEST 2004

Comment out disable_cache and enabe_cache in amd_early_mtrr_init you will
get 5s speed up.

I checked old, it seems it only has enable cache, but no



-----Original Message-----
From: ebiederman at [mailto:ebiederman at] 
Sent: Wednesday, October 20, 2004 12:50 PM
To: YhLu
Cc: Li-Ta Lo; 'Ronald G. Minnich'; 'LinuxBIOS'
Subject: Re: FYI: Merge in progress...

YhLu <YhLu at> writes:

> Why enable cache in amd_early_mtrr_init?

Usually that is a speed up.  I think all I changed was using the C
Previously the assembly was called from

> That causes CPU sleep 5s again.

That is peculiar.  
> After get rid of that, the new auto.c stage still cost more 1s than the
> two weeks ago.


This is certainly worth fixing.  And it tends to explain why I have
not yet seen the 5s speed up.


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