athlon64 cool&quiet / powernow-k8

[Dave Jones]

On Sun, Apr 18, 2004 at 12:14:08AM +0200, Arjan van de Ven wrote:

 > > FC2, its enabled in the 64bit build, but you're right, it is disabled
 > > for the 32 bit kernels. I've not heard from anyone actually testing
 > > it in this mode, so I've no idea how well it actually works, but
 > > it should be 1:1 with running it in 64 bit mode.
 > > 
 > > Arjan, any comments on enabling it ?
 > 
 > well... why ? I mean, surely you'll run a 64 bit kernel on your fancy new 64
 > bit cpu.

Same reason that we enable the AMD64 on-CPU gart in 32bit kernels..
I'm hard pressed to think of a valid reason for running the 32bit OS
over the 64bit one, but some folks may decide to for whatever reason,
and the impact for non-AMD64 users of the 32bit kernel is negligable.

		Dave