From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org
Cc: Christoph Lameter <clameter@sgi.com>
Subject: Re: [patch 00/23] Atomic operations updates: add cmpxchg_local
Date: Sun, 12 Aug 2007 11:03:20 -0400 [thread overview]
Message-ID: <20070812150320.GA25080@Krystal> (raw)
In-Reply-To: <20070812145434.520271946@polymtl.ca>
* Mathieu Desnoyers (mathieu.desnoyers@polymtl.ca) wrote:
> Hi Andrew,
>
> I have been asked for a cmpxchg_local implementation by Christoph Lameter so he
> can use it to accelerate the slub allocator.
>
> On some architectures, where cmpxchg is nothing more that a simple save/restore
> interrupts surrounding the cmpxchg non atomic ops, I remove the code and make
> them use the new "generic" version.
>
> cmpxchg_local and cmpxchg64_local are made available on all architectures in
> these patches. They use the best primitive known, either an atomic operation or
> save/restore interrupts.
>
Forgot to mention: it applies on top of 2.6.23-rc2-mm2
series file:
#
# cmpxchg_local and cmpxchg64_local standardization
#
i386-cmpxchg64-80386-80486-fallback.patch
#
add-cmpxchg-local-to-generic-for-up.patch
add-cmpxchg-local-to-arm.patch
add-cmpxchg-local-to-avr32.patch
add-cmpxchg-local-to-blackfin.patch
add-cmpxchg-local-to-cris.patch
add-cmpxchg-local-to-frv.patch
add-cmpxchg-local-to-h8300.patch
add-cmpxchg-local-to-ia64.patch
add-cmpxchg-local-to-m32r.patch
fix-m32r-__xchg.patch
local_t_m32r_optimized.patch
add-cmpxchg-local-to-m68k.patch
add-cmpxchg-local-to-m68knommu.patch
add-cmpxchg-local-to-parisc.patch
add-cmpxchg-local-to-ppc.patch
add-cmpxchg-local-to-s390.patch
add-cmpxchg-local-to-sh.patch
add-cmpxchg-local-to-sh64.patch
add-cmpxchg-local-to-sparc.patch
add-cmpxchg-local-to-sparc64.patch
add-cmpxchg-local-to-v850.patch
add-cmpxchg-local-to-xtensa.patch
--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
next prev parent reply other threads:[~2007-08-12 15:06 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-12 14:54 [patch 00/23] Atomic operations updates: add cmpxchg_local Mathieu Desnoyers
2007-08-12 14:54 ` [patch 01/23] Fall back on interrupt disable in cmpxchg8b on 80386 and 80486 Mathieu Desnoyers
2007-08-12 15:51 ` Jan Engelhardt
2007-08-12 16:23 ` Mathieu Desnoyers
2007-08-12 14:54 ` [patch 02/23] Add cmpxchg_local to asm-generic for per cpu atomic operations Mathieu Desnoyers
2007-08-12 14:54 ` [patch 03/23] Add cmpxchg_local to arm Mathieu Desnoyers
2007-08-12 14:54 ` [patch 04/23] Add cmpxchg_local to avr32 Mathieu Desnoyers
2007-08-13 14:57 ` Haavard Skinnemoen
2007-08-12 14:54 ` [patch 05/23] Add cmpxchg_local to blackfin, replace __cmpxchg by generic cmpxchg Mathieu Desnoyers
2007-08-12 14:54 ` [patch 06/23] Add cmpxchg_local to cris Mathieu Desnoyers
2007-08-12 14:54 ` [patch 07/23] Add cmpxchg_local to frv Mathieu Desnoyers
2007-08-12 14:54 ` [patch 08/23] Add cmpxchg_local to h8300 Mathieu Desnoyers
2007-08-12 14:54 ` [patch 09/23] Add cmpxchg_local, cmpxchg64 and cmpxchg64_local to ia64 Mathieu Desnoyers
2007-08-12 18:59 ` Keith Owens
2007-08-12 19:12 ` [patch 09/23] Add cmpxchg_local, cmpxchg64 and cmpxchg64_local to ia64 (revised) Mathieu Desnoyers
2007-08-12 14:54 ` [patch 10/23] New cmpxchg_local (optimized for UP case) for m32r Mathieu Desnoyers
2007-08-12 14:54 ` [patch 11/23] Fix m32r __xchg Mathieu Desnoyers
2007-08-18 20:40 ` Adrian Bunk
2007-08-19 11:12 ` [PATCH] Fix m32r __xchg (revised) Mathieu Desnoyers
2007-08-12 14:54 ` [patch 12/23] local_t m32r use architecture specific cmpxchg_local Mathieu Desnoyers
2007-08-12 14:54 ` [patch 13/23] Add cmpxchg_local to m86k Mathieu Desnoyers
2007-08-12 14:54 ` [patch 14/23] Add cmpxchg_local to m68knommu Mathieu Desnoyers
2007-08-12 14:54 ` [patch 15/23] Add cmpxchg_local to parisc Mathieu Desnoyers
2007-08-27 21:04 ` [parisc-linux] " Grant Grundler
2007-08-27 21:11 ` Mathieu Desnoyers
2007-08-28 6:39 ` Grant Grundler
2007-08-28 11:50 ` Mathieu Desnoyers
2007-08-28 17:27 ` Grant Grundler
2007-08-28 18:38 ` Mathieu Desnoyers
2007-08-29 5:59 ` Grant Grundler
2007-08-29 8:25 ` David Miller
2007-08-29 12:08 ` Mathieu Desnoyers
2007-08-27 21:20 ` David Miller
2007-08-12 14:54 ` [patch 16/23] Add cmpxchg_local to ppc Mathieu Desnoyers
2007-08-12 14:54 ` [patch 17/23] Add cmpxchg_local to s390 Mathieu Desnoyers
2007-08-13 8:35 ` Heiko Carstens
2007-08-13 13:43 ` Mathieu Desnoyers
2007-08-12 14:54 ` [patch 18/23] Add cmpxchg_local to sh, use generic cmpxchg() instead of cmpxchg_u32 Mathieu Desnoyers
2007-08-12 14:54 ` [patch 19/23] Add cmpxchg_local to sh64 Mathieu Desnoyers
2007-08-12 14:54 ` [patch 20/23] Add cmpxchg_local to sparc, move __cmpxchg to system.h Mathieu Desnoyers
2007-08-12 14:54 ` [patch 21/23] Add cmpxchg_local to sparc64 Mathieu Desnoyers
2007-08-12 14:54 ` [patch 22/23] Add cmpxchg_local to v850 Mathieu Desnoyers
2007-08-12 14:54 ` [patch 23/23] Add cmpxchg_local to xtensa Mathieu Desnoyers
2007-08-12 15:03 ` Mathieu Desnoyers [this message]
2007-08-13 21:15 ` [patch 00/23] Atomic operations updates: add cmpxchg_local Christoph Lameter
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=20070812150320.GA25080@Krystal \
--to=mathieu.desnoyers@polymtl.ca \
--cc=akpm@linux-foundation.org \
--cc=clameter@sgi.com \
--cc=linux-kernel@vger.kernel.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