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From: "H. Peter Anvin" <hpa@zytor.com>
To: Kyle Moffett <mrmacman_g4@mac.com>
Cc: Adrian Bunk <bunk@stusta.de>,
	LKML Kernel <linux-kernel@vger.kernel.org>,
	David Woodhouse <dwmw2@infradead.org>,
	david@lang.hm, linux-arch@vger.kernel.org
Subject: Re: Userspace compiler support of "long long"
Date: Thu, 28 Jun 2007 00:03:29 -0400	[thread overview]
Message-ID: <46833311.4000209@zytor.com> (raw)
In-Reply-To: <B3C8EEBF-71FB-4169-8ED7-7C4A410BBEE1@mac.com>

Kyle Moffett wrote:
>> 
> The only trick is if you care about building 32-bit compat code using 
> 64-bit linux kernel headers.  In that case we should probably just make 
> all archs use "long long" for their 64-bit integers, unless there's some 
> platform I'm not remembering where "long long" is 128-bits or bigger.  
> The other benefit is that people could then just use the printf format 
> "%llu" for 64-bit integers instead of having to conditionalize it all 
> over the place.
> 

No, you really don't want to do that, because then u64 != uint64_t on 
those platforms.

	-hpa


  parent reply	other threads:[~2007-06-28  4:19 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-21 22:32 Linux Kernel include files Joerg Schilling
2007-06-21 23:25 ` david
2007-06-21 23:38   ` Joerg Schilling
2007-06-22  3:38     ` David Woodhouse
2007-06-22  5:18       ` H. Peter Anvin
2007-06-22 15:00       ` Adrian Bunk
2007-06-26 15:26         ` H. Peter Anvin
2007-06-27  1:32         ` Kyle Moffett
2007-06-27 15:40           ` Adrian Bunk
2007-06-27 15:52             ` Joerg Schilling
2007-06-27 15:59               ` Robert P. J. Day
2007-06-27 17:32               ` Userspace compiler support of "long long" Adrian Bunk
2007-06-27 22:30                 ` Kyle Moffett
2007-06-27 22:57                   ` Randy Dunlap
2007-06-27 23:16                     ` Randy Dunlap
2007-06-28  2:12                       ` Geert Uytterhoeven
2007-06-28  6:50                         ` Jan Engelhardt
2007-06-28 11:34                           ` Geert Uytterhoeven
2007-06-28 11:36                             ` David Woodhouse
2007-06-28 12:20                               ` Kyle Moffett
2007-06-28  3:06                       ` Kyle McMartin
2007-06-28  0:30                   ` Andi Kleen
2007-06-28 11:42                     ` Kyle Moffett
2007-06-28  3:57                   ` Matthew Wilcox
2007-06-28 11:53                     ` Kyle Moffett
2007-06-28 12:08                       ` Jakub Jelinek
2007-06-28 12:18                         ` Kyle Moffett
2007-06-28  4:03                   ` H. Peter Anvin [this message]
2007-06-28 10:26                 ` Harald Arnesen
2007-06-28 10:44                   ` Joerg Schilling
2007-06-28 12:11                   ` Kyle Moffett
2007-06-28 15:31                     ` Mark Brown
2007-06-28  4:02           ` Linux Kernel include files H. Peter Anvin
2007-06-25 15:17       ` Joerg Schilling
2007-06-25 15:27         ` David Woodhouse
2007-06-25 18:04           ` Harald Arnesen
2007-06-25 20:26             ` Joerg Schilling
2007-06-25 20:32               ` David Woodhouse
2007-06-25 21:43               ` Harald Arnesen
2007-06-25 21:48                 ` Harald Arnesen
2007-06-25 21:49                   ` Joerg Schilling
2007-06-25 22:30                     ` Harald Arnesen
2007-06-25 22:42                       ` Joerg Schilling
2007-06-21 23:59   ` Arnd Bergmann
2007-06-25 15:06     ` Joerg Schilling
2007-06-25 16:00       ` david
2007-06-25 14:48   ` Joerg Schilling
2007-06-21 23:47 ` Arjan van de Ven
2007-06-25 14:53   ` Joerg Schilling
2007-06-25 15:26     ` Arjan van de Ven
2007-06-25 15:27       ` Robert P. J. Day
2007-06-25 20:18     ` Sam Ravnborg

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