Re: [RFC][PATCH] printk: Add %pb to print bitmaps

Peter Zijlstra
2012-05-09T13:44:46Z

On Wed, 2012-05-09 at 15:36 +0200, Ingo Molnar wrote:
> * Peter Zijlstra <peterz@infradead.org> wrote:
>
> > @@ -857,15 +860,19 @@ int kptr_restrict __read_mostly;
> > * correctness of the format string and va_list arguments.
> > * - 'K' For a kernel pointer that should be hidden from unprivileged users
> > * - 'NF' For a netdev_features_t
> > + * - 'b' For a bitmap, consumes 2 args, second is int
>
> hm, won't the second arg confuse gcc's printf format checker?

Ah, yes, I suppose I could abuse something like %*pb. Let me try that.