linux-kernel - Re: trace: fix printk warning for u64

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Message-Id: <20081027220655.1d188e1d.akpm@linux-foundation.org>
Date:	Mon, 27 Oct 2008 22:06:55 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Ingo Molnar <mingo@...e.hu>, Linus <torvalds@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: trace: fix printk warning for u64

On Tue, 28 Oct 2008 00:12:54 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:

> Hi Ingo,
> 
> On Mon, 27 Oct 2008 10:52:48 +0100 Ingo Molnar <mingo@...e.hu> wrote:
> >
> > (btw., did the "unify u64 definitions across all platforms" project 
> > get anywhere?)
> 
> I think (from a comment from DaveM) that it led into a real mess.

The problem is the large amount of arch-specific code which is printing
u64's with %lu because it "knows" that u64 is implemented as ulong. 
They all need to be switched to %ll.

A better strategy to get all this done would be to convert the
offending architectures to `long long' individually.  Then when that's
all done, unifying the typedef is a trivial step.
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