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

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Message-ID: <20120509172611.GC8135@gmail.com>
Date:	Wed, 9 May 2012 19:26:11 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Igor Mammedov <imammedo@...hat.com>,
	Jiang Liu <liuj97@...il.com>, linux-kernel@...r.kernel.org,
	pjt@...gle.com, tglx@...utronix.de, seto.hidetoshi@...fujitsu.com,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [RFC][PATCH] printk: Add %pb to print bitmaps


* Peter Zijlstra <peterz@...radead.org> wrote:

> > A "%.*pb" is the only interface that can work for a "sized" 
> > bitmap (with obviously fixed-length ones being possible with 
> > a "%.32bp" like thing)
> 
> Right, sadly that also generates a warning :/

Why not use what I suggested, %*pb? It also doubles as a width 
field in essence, as bitmap output is fundamentally fixed width.

Thanks,

	Ingo
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