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Subject: Re: How do I printk <type> correctly?
From: Johannes Berg <johannes@sipsolutions.net>
To: David Miller <davem@davemloft.net>
Cc: adobriyan@gmail.com, linux-kernel@vger.kernel.org
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Date: Fri, 24 Oct 2008 10:41:43 +0200
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On Thu, 2008-10-23 at 13:40 -0700, David Miller wrote:

> > An "unsigned long long" is 64-bits too even on 64-bit platforms, so
> > why the difference? Are there any differences like alignment on some
> > platforms?
>=20
> I invite you to go make that change and then try to fixup all the
> resulting build warnings.  Some of us already made an attempt at
> some point in the past. :-/

Heh, ok. I was just curious really. I think that answers it well
enough :)

> But it's just papering over the core problem, that we can't extend
> gcc's automatic printf format type checking easily.
>=20
> Even if we make u64 the same type everywhere, things like sector_t
> and other types which do have to vary by architecture will need
> to be casted.

Indeed, it doesn't really help that much.

johannes

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