My spiffy new G3 MacPPC is also not enabling L2 cache, according to
the syslog entries on boot.  Can
anyone comment on how one would enable it?  (safely, of course. ;-> )

Should I do what M L Reichers suggests below?

-dgl-

>As long as we're on the subject of kernels, does anyone know the use
>of L2CR_CONFIG in cpu.c for macppc? The relevant section is:
>
>> #ifdef L2CR_CONFIG
>> u_int l2cr_config = L2CR_CONFIG;
>> #else
>> u_int l2cr_config = 0;
>> #endif
>
>I just installed a Newer Tech G3 (500 mhz, 1 meg backside cache)
>upgrade in my 7500, but apparently the backside cache is not enabled
>out of OF (ah, sure, why should it be? 7500 OF is ancient). So the
>following code fragment must be enabled.  Defining L2CR_CONFIG, or
>initializing l2cr_config to something other than zero would seem to do
>the trick, but I can't find any reference to either of these in the
>rest of the code or conf.
>
>Is it safe to enable the backside cache enable code?
>
>If so, what's the preferred way of setting l2cr_config, or
>L2CR_CONFIG?
>
>-Mike