[0/9] Support for old IBM PReP boxes

Tom Rini trini at kernel.crashing.org
Sat Jul 31 02:50:26 EST 2004

On Fri, Jul 30, 2004 at 06:08:48PM +0200, Christoph Hellwig wrote:

> On Fri, Jul 30, 2004 at 08:46:11AM -0700, Tom Rini wrote:
> > OK.  Thinking back to last time, I asked about being able to blacklist
> > some machines Residual Data (since it's crap on some, but I don't have
> > the dumps handy) and you mentioned that you'd like to do fixups on the
> > data since there's a few cases where the data is mostly good, just with
> > one or two incorrect things.  And it doesn't look like either are
> > here... yet.
> >
> > Could you do a 10/9 patch that adds a bit of help to the PREP_RESIDUAL
> > config option along the lines of:
> > "When this information is incorrect, it could lead to the machine
> > behaving incorrectly.  If this happens, please disable PREP_RESIDUAL and
> > try again."
> >
> > And change the existing "Unless you expect to boot on a PReP system,
> > there is no need to select Y." to "If you are running a PReP system, say
> > Y here, otherwise say N."
> As the residual support is runtime switchable can we also have a kernel
> boot option?  That way we can switch it off for distro kernels.

A distro kernel would probably want it on by default (it makes more
machines work than it breaks).  As for runtime switchable, Leigh?

Tom Rini

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