From: Paul Mundt <lethal@linux-sh.org>
To: Tejun Heo <tj@kernel.org>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org,
linux-arch@vger.kernel.org, mingo@elte.hu, kyle@mcmartin.ca,
cl@linux-foundation.org, Jesper.Nilsson@axis.com,
benh@kernel.crashing.org, paulmck@linux.vnet.ibm.com,
rusty@rustcorp.com.au, torvalds@linux-foundation.org,
akpm@linux-foundation.org, Russell King <rmk@arm.linux.org.uk>,
Mikael Starvik <starvik@axis.com>,
Ralf Baechle <ralf@linux-mips.org>,
Bryan Wu <cooloney@kernel.org>, Matthew Wilcox <matthew@wil.cx>,
Grant Grundler <grundler@parisc-linux.org>,
Hirokazu Takata <takata@linux-m32r.org>,
Richard Henderson <rth@twiddle.net>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
Heiko Carstens <heiko.carstens@de.ibm.com>
Subject: Re: [PATCH 01/10] percpu: use dynamic percpu allocator as the default percpu allocator
Date: Thu, 25 Jun 2009 13:44:44 +0900 [thread overview]
Message-ID: <20090625044444.GA19871@linux-sh.org> (raw)
In-Reply-To: <1245825924-30412-2-git-send-email-tj@kernel.org>
On Wed, Jun 24, 2009 at 03:45:15PM +0900, Tejun Heo wrote:
> This patch makes most !CONFIG_HAVE_SETUP_PER_CPU_AREA archs use
> dynamic percpu allocator. The first chunk is allocated using
> embedding helper and 8k is reserved for modules. This ensures that
> the new allocator behaves almost identically to the original allocator
> as long as static percpu variables are concerned, so it shouldn't
> introduce much breakage.
>
> s390 and alpha use custom SHIFT_PERCPU_PTR() to work around addressing
> range limit the addressing model imposes. Unfortunately, this breaks
> if the address is specified using a variable, so for now, the two
> archs aren't converted.
>
> The following architectures are affected by this change.
>
> * sh
> * arm
> * cris
> * mips
> * sparc(32)
> * blackfin
> * avr32
> * parisc (broken, under investigation)
> * m32r
> * powerpc(32)
>
No problems on sh.
Acked-by: Paul Mundt <lethal@linux-sh.org>
next prev parent reply other threads:[~2009-06-25 4:45 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-24 6:45 [PATCHSET core/percpu] percpu: convert most archs to dynamic percpu, take#4 Tejun Heo
2009-06-24 6:45 ` Tejun Heo
2009-06-24 6:45 ` [PATCH 01/10] percpu: use dynamic percpu allocator as the default percpu allocator Tejun Heo
2009-06-24 6:45 ` Tejun Heo
2009-06-24 23:47 ` James Bottomley
2009-06-25 2:55 ` Tejun Heo
2009-06-26 15:13 ` James Bottomley
2009-06-27 3:21 ` Tejun Heo
2009-06-25 4:44 ` Paul Mundt [this message]
2009-06-24 6:45 ` [PATCH 02/10] linker script: throw away .discard section Tejun Heo
2009-06-24 6:45 ` Tejun Heo
2009-06-24 17:20 ` Luck, Tony
2009-06-24 17:20 ` Luck, Tony
2009-06-24 6:45 ` [PATCH 03/10] CRIS: Change DEFINE_PER_CPU of current_pgd to be non volatile Tejun Heo
2009-06-24 6:45 ` Tejun Heo
2009-06-24 6:45 ` [PATCH 04/10] percpu: cleanup percpu array definitions Tejun Heo
2009-06-24 6:45 ` Tejun Heo
2009-06-24 6:45 ` [PATCH 05/10] percpu: use DEFINE_PER_CPU_SHARED_ALIGNED() Tejun Heo
2009-06-24 6:45 ` Tejun Heo
2009-06-29 23:25 ` Christoph Lameter
2009-06-24 6:45 ` [PATCH 06/10] percpu: clean up percpu variable definitions Tejun Heo
2009-06-24 6:45 ` Tejun Heo
2009-06-24 6:45 ` [PATCH 07/10] percpu: implement optional weak percpu definitions Tejun Heo
2009-06-24 6:45 ` Tejun Heo
2009-06-24 6:45 ` [PATCH 08/10] alpha: kill unnecessary __used attribute in PER_CPU_ATTRIBUTES Tejun Heo
2009-06-24 6:45 ` Tejun Heo
2009-06-24 6:45 ` [PATCH 09/10] alpha: switch to dynamic percpu allocator Tejun Heo
2009-06-24 6:45 ` Tejun Heo
2009-06-24 6:45 ` [PATCH 10/10] s390: " Tejun Heo
2009-06-24 6:45 ` Tejun Heo
2009-06-24 8:03 ` [PATCH 11/10] sparc64: fix build breakage introduced by percpu-convert-most patchset Tejun Heo
2009-06-24 8:03 ` Tejun Heo
2009-06-24 9:00 ` David Miller
2009-06-24 9:07 ` Tejun Heo
2009-06-24 9:07 ` Tejun Heo
2009-06-27 3:22 ` [PATCHSET core/percpu] percpu: convert most archs to dynamic percpu, take#4 Tejun Heo
2009-06-27 3:22 ` Tejun Heo
2009-06-27 3:25 ` Tejun Heo
2009-06-27 3:25 ` Tejun Heo
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=20090625044444.GA19871@linux-sh.org \
--to=lethal@linux-sh.org \
--cc=Jesper.Nilsson@axis.com \
--cc=akpm@linux-foundation.org \
--cc=benh@kernel.crashing.org \
--cc=cl@linux-foundation.org \
--cc=cooloney@kernel.org \
--cc=grundler@parisc-linux.org \
--cc=heiko.carstens@de.ibm.com \
--cc=ink@jurassic.park.msu.ru \
--cc=kyle@mcmartin.ca \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=matthew@wil.cx \
--cc=mingo@elte.hu \
--cc=paulmck@linux.vnet.ibm.com \
--cc=ralf@linux-mips.org \
--cc=rmk@arm.linux.org.uk \
--cc=rth@twiddle.net \
--cc=rusty@rustcorp.com.au \
--cc=starvik@axis.com \
--cc=takata@linux-m32r.org \
--cc=tj@kernel.org \
--cc=torvalds@linux-foundation.org \
--cc=x86@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;
as well as URLs for NNTP newsgroup(s).