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From: Peter Zijlstra <peterz@infradead.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Igor Mammedov <imammedo@redhat.com>, Jiang Liu <liuj97@gmail.com>,
	linux-kernel@vger.kernel.org, pjt@google.com, tglx@linutronix.de,
	seto.hidetoshi@jp.fujitsu.com,
	Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Joe Perches <joe@perches.com>
Subject: Re: [RFC][PATCH] printk: Add %pb to print bitmaps
Date: Wed, 09 May 2012 18:06:32 +0200	[thread overview]
Message-ID: <1336579592.2527.60.camel@twins> (raw)
In-Reply-To: <20120509154116.GC2653@gmail.com>

On Wed, 2012-05-09 at 17:41 +0200, Ingo Molnar wrote:
> * Peter Zijlstra <peterz@infradead.org> wrote:
> 
> > On Wed, 2012-05-09 at 16:15 +0200, Ingo Molnar wrote:
> > > > I guess I should use %.*pb and keep the field_width in case someone
> > > > manages to actually make bitmap_scnlistprintf() conform to it. The
> > > > precision is unused anyway.
> > > 
> > > That's a cute trick, and it's intuitive as well. 
> > 
> > kernel/sched/core.c:5570:3: warning: precision used with ‘%p’ gnu_printf format [-Wformat]
> > 
> > /me curses a bit.. anybody?
> 
> Yeah, that's a floating point precision thing (or for strings, 
> right-align) - could you use %30pb, etc?

%*pb you mean? Yeah that works, field width is allowed for %p. It does
mean we cannot ever make bitmaps respect field width though.



  reply	other threads:[~2012-05-09 16:07 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-09 10:38 [PATCH] sched_groups are expected to be circular linked list, make it so right after allocation Igor Mammedov
2012-05-09 10:21 ` Jiang Liu
2012-05-09 11:44   ` Igor Mammedov
2012-05-09 11:52     ` Peter Zijlstra
2012-05-09 11:58       ` Igor Mammedov
2012-05-09 12:21         ` Peter Zijlstra
2012-05-09 12:22           ` Peter Zijlstra
2012-05-09 12:35             ` Igor Mammedov
2012-05-09 12:30           ` Peter Zijlstra
2012-05-09 13:27             ` [RFC][PATCH] printk: Add %pb to print bitmaps Peter Zijlstra
2012-05-09 13:29               ` Peter Zijlstra
2012-05-09 13:36               ` Ingo Molnar
2012-05-09 13:44                 ` Peter Zijlstra
2012-05-09 13:59                   ` Peter Zijlstra
2012-05-09 14:15                     ` Ingo Molnar
2012-05-09 14:24                       ` Peter Zijlstra
2012-05-09 15:32                       ` Peter Zijlstra
2012-05-09 15:41                         ` Ingo Molnar
2012-05-09 16:06                           ` Peter Zijlstra [this message]
2012-05-09 16:39                             ` Joe Perches
2012-05-09 17:22                               ` Ingo Molnar
2012-05-09 17:24                             ` Ingo Molnar
2012-05-09 17:25                               ` Peter Zijlstra
2012-05-09 17:31                                 ` Ingo Molnar
2012-05-09 14:19                     ` Joe Perches
2012-05-09 15:34                       ` Ingo Molnar
2012-05-09 17:15               ` Linus Torvalds
2012-05-09 17:22                 ` Peter Zijlstra
2012-05-09 17:26                   ` Ingo Molnar
2012-05-09 17:30                     ` Peter Zijlstra
2012-05-09 19:07               ` Andrew Morton
2012-05-09 20:58                 ` Peter Zijlstra
2012-05-10  7:45                   ` Ingo Molnar
2012-05-10 13:26             ` [PATCH] sched_groups are expected to be circular linked list, make it so right after allocation Igor Mammedov
2012-05-10 13:45               ` Peter Zijlstra
2012-05-10 17:01                 ` Igor Mammedov
2012-05-10 17:33                   ` Peter Zijlstra
2012-05-09 10:35 ` [tip:sched/urgent] sched: Fix KVM and ia64 boot crash due to sched_groups circular linked list assumption tip-bot for Igor Mammedov
2012-05-09 11:41 ` [PATCH] sched_groups are expected to be circular linked list, make it so right after allocation Peter Zijlstra

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