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From: David Miller <davem@davemloft.net>
To: jengelh@computergmbh.de
Cc: hpa@zytor.com, torvalds@linux-foundation.org,
	akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
	linux-arch@vger.kernel.org
Subject: Re: [PATCH 01/24] types: create <asm-generic/int-*.h>
Date: Fri, 25 Apr 2008 13:30:30 -0700 (PDT)	[thread overview]
Message-ID: <20080425.133030.229754755.davem@davemloft.net> (raw)
In-Reply-To: <alpine.LNX.1.10.0804252026040.20150@fbirervta.pbzchgretzou.qr>

From: Jan Engelhardt <jengelh@computergmbh.de>
Date: Fri, 25 Apr 2008 20:27:53 +0200 (CEST)

> On Friday 2008-04-25 01:05, H. Peter Anvin wrote:
> 
> >This creates two generic files with common integer definitions; one
> >where 64 bits is "long" (most 64-bit architectures) and one where 64
> >bits is "long long" (all 32-bit architectures and x86-64.)
> 
> long long is 64 bits on both 32 and 64, is not it?
> If so, the split between 32 and 64 should not be necessary.

Because of the large precendence, if you change this stuff, you're
going to get tons of warnings on the platforms that use "unsigned
long" currently if you change them to use "unsigned long long".

Think about all of the implicit type conversions, argument passing,
et al.

I know because I tried to convert sparc64 over to "unsigned long long"
to make it more like powerpc, and I found quickly that fixing up all
the fallout simply was not worth it.

  parent reply	other threads:[~2008-04-25 20:30 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-24 23:05 [PATCH 00/24] Unify integer type definitions, and add fixed type constructor macros H. Peter Anvin
     [not found] ` <1209078352-7593-2-git-send-email-hpa@zytor.com>
2008-04-24 23:05   ` [PATCH 01/24] types: create <asm-generic/int-*.h> H. Peter Anvin
2008-04-24 23:05     ` [PATCH 02/24] alpha: types: use <asm-generic/int-*.h> for the alpha architecture H. Peter Anvin
2008-04-24 23:05       ` H. Peter Anvin
2008-04-24 23:05         ` [PATCH 03/24] arm: types: use <asm-generic/int-*.h> for the arm architecture H. Peter Anvin
2008-04-24 23:05           ` H. Peter Anvin
2008-04-24 23:05             ` [PATCH 04/24] avr32: types: use <asm-generic/int-*.h> for the avr32 architecture H. Peter Anvin
2008-04-24 23:05               ` H. Peter Anvin
2008-04-24 23:05                 ` [PATCH 05/24] blackfin: types: use <asm-generic/int-*.h> for the blackfin architecture H. Peter Anvin
2008-04-24 23:05                   ` H. Peter Anvin
2008-04-24 23:05                     ` [PATCH 06/24] cris: types: use <asm-generic/int-*.h> for the cris architecture H. Peter Anvin
2008-04-24 23:05                       ` H. Peter Anvin
2008-04-24 23:05                         ` [PATCH 07/24] frv: types: use <asm-generic/int-*.h> for the frv architecture H. Peter Anvin
2008-04-24 23:05                           ` H. Peter Anvin
2008-04-24 23:05                             ` [PATCH 08/24] h8300: types: use <asm-generic/int-*.h> for the h8300 architecture H. Peter Anvin
2008-04-24 23:05                               ` H. Peter Anvin
2008-04-24 23:05                                 ` [PATCH 09/24] ia64: types: use <asm-generic/int-*.h> for the ia64 architecture H. Peter Anvin
2008-04-24 23:05                                   ` H. Peter Anvin
2008-04-24 23:05                                     ` [PATCH 10/24] m32r: types: use <asm-generic/int-*.h> for the m32r architecture H. Peter Anvin
2008-04-24 23:05                                       ` H. Peter Anvin
2008-04-24 23:05                                         ` [PATCH 11/24] m68k: types: use <asm-generic/int-*.h> for the m68k architecture H. Peter Anvin
2008-04-24 23:05                                           ` H. Peter Anvin
2008-04-24 23:05                                             ` [PATCH 12/24] mips: types: use <asm-generic/int-*.h> for the mips architecture H. Peter Anvin
2008-04-24 23:05                                               ` H. Peter Anvin
2008-04-24 23:05                                                 ` [PATCH 13/24] mn10300: types: use <asm-generic/int-*.h> for the mn10300 architecture H. Peter Anvin
2008-04-24 23:05                                                   ` H. Peter Anvin
2008-04-24 23:05                                                     ` [PATCH 14/24] parisc: types: use <asm-generic/int-*.h> for the parisc architecture H. Peter Anvin
2008-04-24 23:05                                                       ` H. Peter Anvin
2008-04-24 23:05                                                         ` [PATCH 15/24] powerpc: types: use <asm-generic/int-*.h> for the powerpc architecture H. Peter Anvin
2008-04-24 23:05                                                           ` H. Peter Anvin
2008-04-24 23:05                                                             ` [PATCH 16/24] s390: types: use <asm-generic/int-*.h> for the s390 architecture H. Peter Anvin
2008-04-24 23:05                                                               ` H. Peter Anvin
2008-04-24 23:05                                                                 ` [PATCH 17/24] sh: types: use <asm-generic/int-*.h> for the sh architecture H. Peter Anvin
2008-04-24 23:05                                                                   ` H. Peter Anvin
2008-04-24 23:05                                                                     ` [PATCH 18/24] sparc: types: use <asm-generic/int-*.h> for the sparc architecture H. Peter Anvin
2008-04-24 23:05                                                                       ` H. Peter Anvin
2008-04-24 23:05                                                                         ` [PATCH 19/24] sparc64: types: use <asm-generic/int-*.h> for the sparc64 architecture H. Peter Anvin
2008-04-24 23:05                                                                           ` H. Peter Anvin
2008-04-24 23:05                                                                             ` [PATCH 20/24] v850: types: use <asm-generic/int-*.h> for the v850 architecture H. Peter Anvin
2008-04-24 23:05                                                                               ` [PATCH 21/24] x86: types: use <asm-generic/int-*.h> for the x86 architecture H. Peter Anvin
2008-04-24 23:05                                                                                 ` H. Peter Anvin
2008-04-24 23:05                                                                                   ` [PATCH 22/24] xtensa: types: use <asm-generic/int-*.h> for the xtensa architecture H. Peter Anvin
2008-04-24 23:05                                                                                     ` H. Peter Anvin
2008-04-24 23:05                                                                                       ` [PATCH 23/24] types: add C99-style constructors to <asm-generic/int-*.h> H. Peter Anvin
2008-04-24 23:05                                                                                         ` [PATCH 24/24] Use U64_C() instead of casts in kernel/time.c H. Peter Anvin
2008-04-25  0:44                                                                           ` [PATCH 19/24] sparc64: types: use <asm-generic/int-*.h> for the sparc64 architecture David Miller
2008-04-25  0:44                                                                       ` [PATCH 18/24] sparc: types: use <asm-generic/int-*.h> for the sparc architecture David Miller
2008-04-25  1:37                                   ` [PATCH 09/24] ia64: types: use <asm-generic/int-*.h> for the ia64 architecture Luck, Tony
2008-04-25  3:42                                     ` H. Peter Anvin
2008-04-25  4:10                                     ` [PATCH 24/24] Use U64_C() instead of casts in kernel/time.c H. Peter Anvin
2008-04-25  4:44                                       ` Luck, Tony
2008-04-25  0:14           ` [PATCH 03/24] arm: types: use <asm-generic/int-*.h> for the arm architecture Lennert Buytenhek
2008-04-25 18:27     ` [PATCH 01/24] types: create <asm-generic/int-*.h> Jan Engelhardt
2008-04-25 18:36       ` Linus Torvalds
2008-04-25 18:52         ` Matthew Wilcox
2008-04-25 19:03           ` Linus Torvalds
2008-04-25 19:10           ` H. Peter Anvin
2008-04-25 19:28             ` Matthew Wilcox
2008-04-25 19:38               ` H. Peter Anvin
2008-04-25 19:43                 ` Jan Engelhardt
2008-04-25 19:45                 ` Linus Torvalds
2008-04-25 19:48                   ` H. Peter Anvin
2008-04-25 19:49                   ` Harvey Harrison
2008-04-28 13:55                 ` David Howells
2008-04-25 20:30       ` David Miller [this message]
2008-04-25  0:15   ` Lennert Buytenhek
2008-04-25  7:17 ` [PATCH 00/24] Unify integer type definitions, and add fixed type constructor macros Geert Uytterhoeven
2008-04-25  7:49   ` Andreas Schwab
2008-04-25  8:15 ` Arnd Bergmann
2008-04-27 17:44   ` H. Peter Anvin

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