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From: "Bjørn Mork" <bjorn@mork.no>
To: Joe Perches <joe@perches.com>
Cc: Davidlohr Bueso <davidlohr.bueso@hp.com>,
	Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	netdev@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] net: skbuff: use _RET_IP_
Date: Fri, 31 May 2013 09:06:06 +0200	[thread overview]
Message-ID: <87obbrljc1.fsf@nemi.mork.no> (raw)
In-Reply-To: <1369977659.10556.34.camel@joe-AO722> (Joe Perches's message of "Thu, 30 May 2013 22:20:59 -0700")

Joe Perches <joe@perches.com> writes:
> On Thu, 2013-05-30 at 18:11 -0700, Davidlohr Bueso wrote:
>> On Thu, 2013-05-30 at 13:08 +0200, Bjørn Mork wrote:
>> > Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> writes:
>> > 
>> > >     Why not "text:%#lx" as already used in this string? It's
>> > > equivalent to "0x%lx".
>> > 
>> > Well, I don't know the reasoning in this case, but I'd like to note that
>> > those are not strictly equivalent.  Personally I find the formatting of 0
>> > annoying enough to avoid %#x for any value which may be 0.  It's
>> > especially bad if you try to line up things by adding leading zeros.
>> 
>> Yep, I found that 0x%lx produced the same output as %p.
>
> Don't use a standalone gcc compiled program to
> determine what the kernel outputs.

That's a very good point.  Sorry for mixing this up.  You are of course
right.  The kernel does everything correctly, so there is no reason not
to use %#x



Bjørn

  reply	other threads:[~2013-05-31  7:06 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-29 21:09 [PATCH] net: skbuff: use _RET_IP_ Davidlohr Bueso
2013-05-29 21:43 ` Sergei Shtylyov
2013-05-30 11:08   ` Bjørn Mork
2013-05-31  1:11     ` Davidlohr Bueso
2013-05-31  5:20       ` Joe Perches
2013-05-31  7:06         ` Bjørn Mork [this message]
2013-05-31 14:33         ` Sergei Shtylyov
2013-05-31 16:54           ` Joe Perches
2013-05-31 17:51             ` Sergei Shtylyov
2013-06-01  0:10 ` David Miller

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