Re: [PATCH 00 of 10] x86: unify asm/pgtable.h

Ingo Molnar
2008-01-09T01:21:13Z

* Andi Kleen <ak@suse.de> wrote:

> >> this code is plain buggy but fixing it triggered driver bugs in the
> >> past so we've been procrastinating it forever ...
> >>
> >
> > What kind of driver bugs? Do drivers manage to get into the other
> > branch
>
> That was just the return value issue that caused drivers to fail
> through ioremap() iirc. It would error out for unmapped holes and then
> fail ioremap I don't think it's related.

in -mm we had a patch where the error behavior was consolidated but it
broke on some boxes.

Ingo