From: Chris Friesen <chris.friesen@genband.com>
To: Martin Nybo Andersen <tweek@tweek.dk>
Cc: wbrana <wbrana@gmail.com>,
Bernd Petrovitsch <bernd@petrovitsch.priv.at>,
Ondrej Zary <linux@rainbow-software.org>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Drop support for x86-32
Date: Fri, 24 Aug 2012 10:24:16 -0600 [thread overview]
Message-ID: <5037AAB0.6040102@genband.com> (raw)
In-Reply-To: <201208241814.16862.tweek@tweek.dk>
On 08/24/2012 10:14 AM, Martin Nybo Andersen wrote:
> (And I'm still not sure why one would run 32-bit applications on a 64-bit
> architecture...)
There are several architectures (powerpc comes to mind) where 32-bit
userspace on 64-bit kernel is the norm because it offers performance
advantages due to the smaller pointer size if the process doesn' t need
the larger address space. This is the rationale behind the new x32 ABI
for x86-64 kernels.
You might also want to run legacy apps (which can't be recompiled) on
new hardware.
Chris
next prev parent reply other threads:[~2012-08-24 16:24 UTC|newest]
Thread overview: 107+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-23 10:41 Drop support for x86-32 wbrana
[not found] ` <201208231814.21168.tweek@tweek.dk>
2012-08-23 17:22 ` wbrana
2012-08-23 17:51 ` Ondrej Zary
2012-08-23 18:07 ` wbrana
2012-08-24 12:40 ` Bernd Petrovitsch
2012-08-24 12:59 ` wbrana
2012-08-24 13:51 ` wbrana
2012-08-24 15:48 ` Bernd Petrovitsch
2012-08-24 15:55 ` wbrana
[not found] ` <CANQmPXj6VsxP596xeU5SZaL=eyDJR4_ShBxCJVqthYTdNA4HSw@mail.gmail.com>
2012-08-24 16:11 ` wbrana
2012-08-24 16:14 ` Martin Nybo Andersen
2012-08-24 16:17 ` wbrana
2012-08-24 16:20 ` Bobby Powers
2012-08-24 16:24 ` wbrana
2012-08-24 16:20 ` Martin Nybo Andersen
2012-08-24 16:26 ` wbrana
[not found] ` <201208241832.09577.tweek@tweek.dk>
2012-08-24 16:39 ` wbrana
2012-08-24 16:24 ` Chris Friesen [this message]
2012-08-24 16:54 ` Martin Nybo Andersen
2012-08-24 17:05 ` wbrana
2012-08-24 17:25 ` Chris Friesen
2012-08-24 17:28 ` Brian Gerst
2012-08-24 18:11 ` Gene Heskett
[not found] ` <201208241952.04988.tweek@tweek.dk>
2012-08-24 18:18 ` wbrana
2012-08-24 18:35 ` Martin Nybo Andersen
2012-08-24 18:59 ` wbrana
2012-08-24 19:53 ` Martin Nybo Andersen
2012-08-25 8:27 ` wbrana
2012-08-25 8:43 ` Gene Heskett
2012-08-25 9:25 ` wbrana
2012-08-25 12:20 ` wbrana
2012-08-25 14:41 ` wbrana
2012-08-25 15:51 ` Shentino
2012-08-25 16:07 ` wbrana
2012-08-25 11:35 ` Bernd Petrovitsch
2012-08-25 11:52 ` wbrana
2012-08-25 16:46 ` Jochen Striepe
2012-08-25 17:22 ` wbrana
2012-08-25 17:24 ` Shentino
2012-08-25 17:27 ` wbrana
2012-08-25 17:34 ` Pekka Enberg
2012-08-25 17:38 ` wbrana
2012-08-26 2:18 ` Henrique de Moraes Holschuh
2012-08-26 2:30 ` Cruz Julian Bishop
2012-08-27 12:21 ` Bernd Petrovitsch
2012-08-25 17:40 ` Jochen Striepe
2012-08-25 17:49 ` wbrana
2012-08-25 0:51 ` Cruz Julian Bishop
2012-08-25 7:46 ` wbrana
[not found] ` <CANQmPXgefyCJuzFiAugp6OW2+HtjABSWuQqG33gAU_XgQ1V_2A@mail.gmail.com>
2012-08-24 16:19 ` wbrana
2012-08-24 16:36 ` Alan Cox
2012-08-24 16:36 ` wbrana
2012-08-24 16:47 ` Alan Cox
2012-08-24 16:45 ` wbrana
2012-08-26 13:56 ` Mark Lord
[not found] ` <CAJ7jCm=A+OOQNq3HYsyM9bVXYQbfxkXaJg+yN_-vyA+VM9-jgQ@mail.gmail.com>
2012-08-29 23:03 ` Mark Lord
2012-08-29 23:42 ` Jeff Garzik
2012-08-25 0:57 ` Cruz Julian Bishop
2012-08-23 18:08 ` Al Viro
2012-08-23 18:17 ` wbrana
2012-08-23 18:22 ` Pekka Enberg
2012-08-23 18:23 ` David Daney
2012-08-23 18:30 ` wbrana
2012-08-23 18:33 ` David Daney
2012-08-23 18:40 ` wbrana
2012-08-23 19:01 ` Al Viro
2012-08-24 9:51 ` wbrana
2012-08-23 18:50 ` Martin Nybo Andersen
2012-08-23 18:54 ` Brian Gerst
2012-08-23 19:03 ` wbrana
2012-08-23 19:04 ` Brian Gerst
2012-08-23 19:08 ` wbrana
2012-08-23 19:35 ` Brian Gerst
2012-08-24 9:50 ` wbrana
2012-08-24 10:27 ` Ronnie Collinson
2012-08-24 10:30 ` wbrana
2012-08-24 10:36 ` wbrana
2012-08-24 10:38 ` Ronnie Collinson
2012-08-24 10:42 ` wbrana
2012-08-24 10:49 ` Maarten Lankhorst
2012-08-24 10:59 ` Ronnie Collinson
2012-08-24 11:57 ` Brian Gerst
2012-08-24 9:53 ` wbrana
2012-08-24 12:00 ` Brian Gerst
2012-08-24 12:04 ` wbrana
2012-08-24 12:14 ` Ondrej Zary
2012-08-24 12:27 ` wbrana
2012-08-24 18:17 ` H. Peter Anvin
2012-08-24 18:57 ` Theodore Ts'o
2012-08-24 19:13 ` Alan Cox
2012-08-24 19:58 ` Theodore Ts'o
2012-08-24 20:06 ` Dave Jones
2012-08-24 20:25 ` Borislav Petkov
2012-08-24 20:47 ` H. Peter Anvin
2012-08-24 19:38 ` H. Peter Anvin
2012-08-24 19:40 ` H. Peter Anvin
2012-08-24 20:18 ` Space-Certified CPUs and Linux Craig Milo Rogers
2012-08-24 20:49 ` Drop support for x86-32 Sam Ravnborg
2012-08-30 1:14 ` david
2012-08-24 16:24 ` Raymond Jennings
-- strict thread matches above, loose matches on Subject: below --
2012-08-24 18:09 Martin Nybo Andersen
2012-08-24 19:32 Raymond Jennings
2012-08-26 14:26 Free Email Service
2012-08-26 17:01 ` Shentino
2012-08-26 16:35 Free Email Service
2012-08-28 8:24 Boszormenyi Zoltan
2012-08-30 8:46 Free Email Service
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