RE: [PATCH v4 09/11] powerpc/perf: add support for the hv 24x7 interface

From: David Laight
Date: Wed Mar 26 2014 - 05:44:00 EST


From: Cody P Schafer
> On 03/25/2014 03:43 AM, Anton Blanchard wrote:
> >
> > Hi Cody,
> >
> > hv-24x7: could not obtain capabilities, error 0x
> fffffffffffffffe, not enabling
> > hv-gpci: could not obtain capabilities, error 0x
> fffffffffffffffe, not enabling
> >
> >> + pr_info("could not obtain capabilities, error 0x%80lx, not enabling\n",
> >
> > That's a lot of padding :)
> >
> > I think this should also be a pr_debug, considering this is not relevant
> > to most ppc64 boxes.
>
> Yep, s/info/debug/ makes sense. The format should have been "%08lx" not
> "%80lx", not sure when I screwed that up.

Using "%#x" is an alternative - unless you really need fixed width.

However in this case "%ld" might be more appropriate!
If the value is a -ve errno one, maybe even "errno %d" and negate the value.

David

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