On 9/27/07, Sergei Shtylyov <[EMAIL PROTECTED]> wrote:
> Hello.
>
> Scott Wood wrote:
>
> > On non-book-E-or-4xx, exceptions execute in real mode. If a fault happens
> > that leads to a register dump, the kernel currently prints XXXXXXXX because
> > it doesn't realize that PC is a physical address.
>
> > This patch checks the state of the IMMU, and if necessary converts PC into a
> > virtual address.
> >
> > Signed-off-by: Scott Wood <[EMAIL PROTECTED]>
> > ---
> > Resent with 40x->44x.
> >
> > arch/powerpc/kernel/process.c | 8 ++++++++
> > 1 files changed, 8 insertions(+), 0 deletions(-)
> >
> > diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
> > index 57c589c..6dbde7f 100644
> > --- a/arch/powerpc/kernel/process.c
> > +++ b/arch/powerpc/kernel/process.c
> > @@ -354,6 +354,14 @@ static void show_instructions(struct pt_regs *regs)
> > if (!(i % 8))
> > printk("\n");
> >
> > +#if !defined(CONFIG_BOOKE) && !defined(CONFIG_44x)
>
> Doesn't CONFIG_44x select CONFIG_BOOKE? Maybe you meant CONFIG_40x?
Heeheehee! That was the *last* version of the patch. :-)
40x *does* have real mode, so CONFIG_40x is not appropriate here. As
Kumar mentioned, only CONFIG_BOOKE is needed.
Cheers,
g.
--
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
[EMAIL PROTECTED]
(403) 399-0195
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