From: David Howells <dhowells@redhat.com>
To: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: David Howells <dhowells@redhat.com>,
torvalds@osdl.org, akpm@osdl.org,
linux-arm-kernel@lists.arm.linux.org.uk,
linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] WorkStruct: Implement generic UP cmpxchg() where an arch doesn't support it
Date: Wed, 06 Dec 2006 19:47:22 +0000 [thread overview]
Message-ID: <28668.1165434442@redhat.com> (raw)
In-Reply-To: <20061206191252.GH32748@xi.wantstofly.org>
Lennert Buytenhek <buytenh@wantstofly.org> wrote:
> > Pre-v6 ARM doesn't support SMP according to ARM's atomic.h,
>
> That's not quite true, there exist ARMv5 processors that in theory
> can support SMP.
I meant that the Linux ARM arch doesn't support it:
#else /* ARM_ARCH_6 */
#include <asm/system.h>
#ifdef CONFIG_SMP
#error SMP not supported on pre-ARMv6 CPUs
#endif
David
next prev parent reply other threads:[~2006-12-06 19:48 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-06 16:43 [PATCH] WorkStruct: Implement generic UP cmpxchg() where an arch doesn't support it David Howells
2006-12-06 17:21 ` Linus Torvalds
2006-12-06 18:56 ` Christoph Lameter
2006-12-06 19:00 ` Russell King
2006-12-06 19:16 ` Christoph Lameter
2006-12-06 19:28 ` Linus Torvalds
2006-12-06 19:58 ` Russell King
2006-12-06 21:36 ` Matthew Wilcox
2006-12-06 21:52 ` Christoph Lameter
2006-12-06 22:05 ` Matthew Wilcox
2006-12-06 22:15 ` Christoph Lameter
2006-12-07 0:37 ` Roman Zippel
2006-12-07 0:54 ` Linus Torvalds
2006-12-07 1:05 ` Roman Zippel
2006-12-07 1:18 ` Linus Torvalds
2006-12-07 1:24 ` Roman Zippel
2006-12-07 1:36 ` Linus Torvalds
2006-12-07 1:44 ` Matthew Wilcox
2006-12-07 2:09 ` Douglas McNaught
2006-12-07 1:52 ` Roman Zippel
2006-12-07 9:23 ` Nick Piggin
2006-12-06 22:38 ` Linus Torvalds
2006-12-07 9:31 ` Nick Piggin
2006-12-07 13:20 ` Ivan Kokshaysky
2006-12-07 15:03 ` Russell King
2006-12-08 1:18 ` Nick Piggin
2006-12-08 8:56 ` Russell King
2006-12-08 16:06 ` Christoph Lameter
2006-12-08 16:31 ` Russell King
2006-12-08 16:43 ` Christoph Lameter
2006-12-08 16:47 ` Russell King
2006-12-08 16:53 ` Christoph Lameter
2006-12-08 16:58 ` Russell King
2006-12-08 16:56 ` David Howells
2006-12-08 17:06 ` Christoph Lameter
2006-12-08 17:18 ` Russell King
2006-12-08 17:23 ` Christoph Lameter
2006-12-08 19:15 ` Linus Torvalds
2006-12-08 19:31 ` Russell King
2006-12-08 19:37 ` Linus Torvalds
2006-12-08 19:43 ` Russell King
2006-12-08 20:01 ` Linus Torvalds
2006-12-08 18:46 ` Linus Torvalds
2006-12-08 19:04 ` Russell King
2006-12-08 19:35 ` Linus Torvalds
2006-12-08 19:59 ` Russell King
2006-12-08 20:34 ` Linus Torvalds
2006-12-11 11:04 ` David Howells
2006-12-08 22:33 ` Nick Piggin
2006-12-07 15:36 ` Linus Torvalds
2006-12-07 16:51 ` Ralf Baechle
2006-12-07 0:46 ` Ralf Baechle
2006-12-06 19:05 ` Linus Torvalds
2006-12-06 19:08 ` Al Viro
2006-12-06 19:25 ` Linus Torvalds
2006-12-06 19:29 ` Matthew Wilcox
2006-12-06 19:43 ` David Howells
2006-12-06 19:54 ` Linus Torvalds
2006-12-06 19:56 ` Linus Torvalds
2006-12-07 1:09 ` David Miller
2006-12-06 19:26 ` Matthew Wilcox
2006-12-06 19:29 ` Christoph Lameter
2006-12-06 19:36 ` Matthew Wilcox
2006-12-06 19:47 ` Christoph Lameter
2006-12-06 19:50 ` Matthew Wilcox
2006-12-06 20:11 ` Christoph Lameter
2006-12-06 20:17 ` Matthew Wilcox
2006-12-06 19:34 ` Linus Torvalds
2006-12-06 19:41 ` Matthew Wilcox
2006-12-06 19:45 ` David Howells
2006-12-06 20:00 ` Russell King
2006-12-07 15:06 ` Russell King
2006-12-08 15:32 ` Russell King
2006-12-06 19:12 ` Lennert Buytenhek
2006-12-06 19:47 ` David Howells [this message]
2006-12-06 20:09 ` Lennert Buytenhek
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=28668.1165434442@redhat.com \
--to=dhowells@redhat.com \
--cc=akpm@osdl.org \
--cc=buytenh@wantstofly.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-arm-kernel@lists.arm.linux.org.uk \
--cc=linux-kernel@vger.kernel.org \
--cc=torvalds@osdl.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