Power3 problem?

Paul Mackerras paulus at samba.org
Thu Aug 16 09:15:03 EST 2001

Tom Rini writes:

> Arg!  I just fixed this, but the problem is this.  I took
> arch/ppc/kernel/l2cr.o out of the always-compiled list, and made it
> compile only for CONFIG_6xx (which is 6xx/7xx/74xx/82xx) since only
> 740/750 and 74xx (more or less) can make use of this.  The problem is
> that Power3 and Power4 pretend to be CONFIG_ALL_PPC, so that they can

Well POWER3/4 aren't just pretending to be CONFIG_ALL_PPC, they *are*
CONFIG_ALL_PPC since they *are* CHRP machines.  Not all CHRPs are 6xx
(actually POWER3 is a PPC630 or PPC630+ so it *is* 6xx in a sense).

> be a chrp machine easily.  The best way to fix this, I think would be to
> make the arch/ppc/kernel/chrp_* files compile without needed pmac_*,
> so that these machines could just work.  Paul, does this sound like
> a sane plan to you?

Nope. :)  Not unless we want to start having separate configs for
prep, pmac and chrp again like we used to.  Which is not impossible
but it would be a fair bit of work.

The fix you pushed (to include l2cr.o for CONFIG_ALL_PPC) is fine.


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