From: "H. Peter Anvin" <hpa@zytor.com>
To: Kyle Moffett <kyle@moffetthome.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
LKML <linux-kernel@vger.kernel.org>,
"H.J. Lu" <hjl.tools@gmail.com>, Ingo Molnar <mingo@elte.hu>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: RFD: x32 ABI system call numbers
Date: Mon, 29 Aug 2011 21:45:14 -0700 [thread overview]
Message-ID: <4E5C6ADA.3030409@zytor.com> (raw)
In-Reply-To: <CAGZ=bqKjnsEKz_CxcW+wRoCL_CY-kipedf2wB=BVUWRB0427tw@mail.gmail.com>
On 08/29/2011 07:16 PM, Kyle Moffett wrote:
>
> The goal of x32 as I understand it is to allow 32-bit x86 programs to
> use all the nifty extra registers and faster instructions (IE: syscall)
> without needing to deal with the 2x memory overhead of 64-bit
> pointers.
>
That is the major goal. A minor goal is to bring x86-64 goodness to
those who have an (irrational) fear of 64 bits thinking it is a major
porting effort. Thus, *source-level* porting effort matters, but it is
completely subordinate to the major goal.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2011-08-30 4:46 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-26 23:00 RFD: x32 ABI system call numbers H. Peter Anvin
2011-08-26 23:13 ` Linus Torvalds
2011-08-26 23:39 ` H. Peter Anvin
2011-08-27 0:36 ` Linus Torvalds
2011-08-27 0:43 ` Linus Torvalds
2011-08-27 0:53 ` H. Peter Anvin
2011-08-27 1:18 ` Linus Torvalds
2011-08-27 1:35 ` H. Peter Anvin
2011-08-27 1:45 ` Linus Torvalds
2011-08-27 1:12 ` H. Peter Anvin
2011-08-27 1:42 ` Linus Torvalds
2011-08-29 19:01 ` Geert Uytterhoeven
2011-08-29 19:03 ` H. Peter Anvin
2011-08-30 1:17 ` Ted Ts'o
2011-08-30 1:48 ` Linus Torvalds
2011-08-30 2:16 ` Kyle Moffett
2011-08-30 4:45 ` H. Peter Anvin [this message]
2011-08-30 7:06 ` Geert Uytterhoeven
2011-08-30 12:18 ` Arnd Bergmann
2011-08-30 7:09 ` Andi Kleen
2011-08-30 9:56 ` Alan Cox
2011-08-30 7:00 ` Geert Uytterhoeven
2011-09-20 18:37 ` Jan Engelhardt
2011-09-06 20:40 ` Florian Weimer
2011-08-27 0:57 ` H. Peter Anvin
2011-08-27 4:40 ` Christoph Hellwig
2011-08-29 15:04 ` Arnd Bergmann
2011-08-29 18:31 ` H. Peter Anvin
2011-08-30 12:09 ` Arnd Bergmann
2011-08-30 16:35 ` H. Peter Anvin
2011-08-31 16:14 ` Arnd Bergmann
2011-08-31 16:25 ` H. Peter Anvin
2011-08-31 16:39 ` Arnd Bergmann
2011-08-31 16:48 ` Linus Torvalds
2011-08-31 19:18 ` Arnd Bergmann
2011-08-31 19:44 ` H. Peter Anvin
2011-08-31 19:54 ` Alan Cox
2011-08-31 20:02 ` H. Peter Anvin
2011-08-31 20:55 ` Arnd Bergmann
2011-08-31 20:58 ` H. Peter Anvin
2011-08-31 19:49 ` Geert Uytterhoeven
2011-08-31 16:46 ` Linus Torvalds
2011-08-31 17:05 ` H.J. Lu
2011-09-03 2:56 ` H.J. Lu
2011-09-03 3:04 ` Linus Torvalds
2011-09-03 4:02 ` H.J. Lu
2011-09-03 4:29 ` H. Peter Anvin
2011-09-03 4:44 ` H.J. Lu
2011-09-03 5:16 ` H. Peter Anvin
2011-09-03 14:11 ` H.J. Lu
2011-09-03 5:29 ` H. Peter Anvin
2011-09-03 8:41 ` Arnd Bergmann
2011-09-03 14:04 ` Valdis.Kletnieks
2011-09-03 16:40 ` H. Peter Anvin
2011-09-03 17:16 ` Valdis.Kletnieks
2011-09-03 17:22 ` H.J. Lu
2011-09-03 17:28 ` H. Peter Anvin
2011-09-03 17:27 ` H. Peter Anvin
2011-09-04 13:51 ` Valdis.Kletnieks
2011-09-04 15:17 ` Arnd Bergmann
2011-09-04 17:08 ` Linus Torvalds
2011-09-04 18:40 ` H.J. Lu
2011-09-04 19:06 ` Arnd Bergmann
2011-09-04 19:31 ` H.J. Lu
2011-09-04 21:13 ` Arnd Bergmann
2011-09-04 21:25 ` H.J. Lu
2011-09-04 21:41 ` Arnd Bergmann
2011-09-04 22:13 ` H.J. Lu
2011-09-05 7:48 ` Arnd Bergmann
2011-09-05 15:11 ` H.J. Lu
2011-09-05 17:21 ` Arnd Bergmann
2011-09-05 19:34 ` H.J. Lu
2011-09-05 19:54 ` H.J. Lu
2011-09-05 19:59 ` H. Peter Anvin
2011-09-05 20:27 ` Arnd Bergmann
2011-09-09 21:02 ` H.J. Lu
2011-09-04 20:11 ` H. Peter Anvin
2011-09-04 19:31 ` richard -rw- weinberger
2011-09-04 19:32 ` H.J. Lu
2011-09-03 14:15 ` H.J. Lu
2011-08-31 17:09 ` H. Peter Anvin
2011-08-31 17:19 ` Linus Torvalds
2011-08-31 17:38 ` H. Peter Anvin
2011-09-01 11:35 ` Arnd Bergmann
2011-10-01 19:38 ` Jonas Bonn
2012-02-08 21:36 ` 64-bit time on 32-bit systems H. Peter Anvin
2011-09-01 13:30 ` RFD: x32 ABI system call numbers Avi Kivity
2011-09-01 14:13 ` H. Peter Anvin
2011-09-02 0:49 ` Pedro Alves
2011-09-02 1:51 ` H. Peter Anvin
2011-09-02 8:02 ` Arnd Bergmann
2011-09-02 8:42 ` Pedro Alves
2011-09-01 6:08 ` Jonas Bonn
2011-09-02 6:17 ` Andy Lutomirski
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=4E5C6ADA.3030409@zytor.com \
--to=hpa@zytor.com \
--cc=geert@linux-m68k.org \
--cc=hjl.tools@gmail.com \
--cc=kyle@moffetthome.net \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=tglx@linutronix.de \
--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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.