From: "H. Peter Anvin" <hpa@zytor.com>
To: Matthew Wilcox <matthew@wil.cx>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Jan Engelhardt <jengelh@computergmbh.de>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Arch Mailing List <linux-arch@vger.kernel.org>
Subject: Re: [PATCH 01/24] types: create <asm-generic/int-*.h>
Date: Fri, 25 Apr 2008 12:38:13 -0700 [thread overview]
Message-ID: <48123325.30003@zytor.com> (raw)
In-Reply-To: <20080425192858.GM14990@parisc-linux.org>
Matthew Wilcox wrote:
> On Fri, Apr 25, 2008 at 12:10:40PM -0700, H. Peter Anvin wrote:
>> Well, compatibility with userspace is probably one aspect of that.
>> x86-64 is the odd man out there, it defines __s64 as "long long" even
>> for userspace, even though int64_t from <stdint.h> is "long". This,
>> IMO, is the Wrong Thing, but it's a separate set of changes.
>>
>> The right thing to do is probably to always use "long long" in the
>> kernel, while defining __s64 et al as "long" on 64-bit platforms when
>> not under __KERNEL__.
>>
>> Again, this is a separate set of changes from this patchset, which is
>> just a code transformation.
>
> Understood, and agreed. It just seemed like an opportune time to
> mention the problem of printing a u64.
>
I have to admit to liking the Windows extension %I64u for this kind of
stuff. Unfortunately gcc/glibc decided to use I for internationalized
digits instead :(
-hpa
next prev parent reply other threads:[~2008-04-25 19:38 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 [this message]
2008-04-25 19:43 ` Jan Engelhardt
2008-04-28 13:55 ` David Howells
2008-04-25 19:45 ` Linus Torvalds
2008-04-25 19:48 ` H. Peter Anvin
2008-04-25 19:49 ` Harvey Harrison
2008-04-25 20:30 ` David Miller
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=48123325.30003@zytor.com \
--to=hpa@zytor.com \
--cc=akpm@linux-foundation.org \
--cc=jengelh@computergmbh.de \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=matthew@wil.cx \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox