On Tue Dec 19, 2023 at 9:53 PM AEST, Thomas Huth wrote:
> On 16/12/2023 14.42, Nicholas Piggin wrote:
> > Installing the same handler twice reports a shifted trap vector
> > address which is hard to decipher. Print the unshifed address.
> >
> > Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx>
> > ---
> > lib/powerpc/processor.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/lib/powerpc/processor.c b/lib/powerpc/processor.c
> > index aaf45b68..b4cd5b4c 100644
> > --- a/lib/powerpc/processor.c
> > +++ b/lib/powerpc/processor.c
> > @@ -26,7 +26,7 @@ void handle_exception(int trap, void (*func)(struct pt_regs *, void *),
> > trap >>= 8;
>
> You only change this to >>= 5 in the next patch...
>
> > if (func && handlers[trap].func) {
> > - printf("exception handler installed twice %#x\n", trap);
> > + printf("exception handler installed twice %#x\n", trap << 5);
>
> ... so I think you should move this patch here after the next one.
Paper bag for me.
Thanks,
Nick
