Re: [PATCH] x86, ioremap: use %pR in printk

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On Mon, 2008-10-20 at 22:15 +1100, Benjamin Herrenschmidt wrote:
> > so how about something like the two patches below (ontop of Linus's 
> > patch): the first patch introduces a "small" resource pointer printout 
> > format: %pr - the little brother of %pR.
> > 
> > The output format is [0x00001234] - minimum width is 8.
> > 
> > The second patch takes advantage of it in ioremap.c.
> 
> Well, I did the exact same patch except I used the same function
> and just added a flag for "R" vs. "r". However, I didn't post it
> because I wasn't too happy with passing by pointer and I wasn't
> sure whether we wanted to keep the letter after p uppercase or not... In
> any case, I kept it as a thing to discuss after the first one goes in.
> 
> At this stage, I'm tempted to go for a %pP for printing a pointer to
> a phys_addr_t (and that's the same as resource_size_t, just more generic
> nowadays, since those were consolidated).
> 
> Still not too happy with the pointer thing but that's the best we can
> do I suppose without losing gcc type checking.

Oh, and I didn't like having the brackets around something that isn't
a range too but that's a minor details.

Ben.


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