From: Jeremy Fitzhardinge <jeremy@goop.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@elte.hu>,
the arch/x86 maintainers <x86@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Nick Piggin <npiggin@kernel.dk>,
Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Subject: Re: [PATCH 00/18] x86: Ticket lock + cmpxchg cleanup
Date: Wed, 24 Aug 2011 14:46:26 -0700 [thread overview]
Message-ID: <4E557132.2020109@goop.org> (raw)
In-Reply-To: <cover.1314207974.git.jeremy.fitzhardinge@citrix.com>
On 08/24/2011 02:36 PM, Jeremy Fitzhardinge wrote:
> From: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
>
> Hi all,
>
> Another spin of the cmpxchg/xadd/ticketlock cleanups.
>
> Changes from last post:
> - reorder all the cmpxchg/xadd patches first
> - change xadd to return prev rather than implicitly update arg
> - recast ticketlock cleanup in terms of xadd
> - drop conversion of unlock to C
>
> This is also available at:
> git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git upstream/ticketlock-cleanup
>
> arch/x86/include/asm/atomic.h | 8 +-
> arch/x86/include/asm/atomic64_64.h | 6 +-
> arch/x86/include/asm/cacheflush.h | 2 +-
> arch/x86/include/asm/cmpxchg.h | 232 +++++++++++++++++++++++++++++++++
> arch/x86/include/asm/cmpxchg_32.h | 128 ++----------------
> arch/x86/include/asm/cmpxchg_64.h | 131 -------------------
> arch/x86/include/asm/rwsem.h | 15 +--
> arch/x86/include/asm/spinlock.h | 110 ++++------------
> arch/x86/include/asm/spinlock_types.h | 22 +++-
> arch/x86/include/asm/uv/uv_bau.h | 6 +-
> arch/x86/kernel/acpi/boot.c | 10 +-
> arch/x86/kernel/cpu/mcheck/mce.c | 2 +-
> arch/x86/xen/p2m.c | 10 +-
> 13 files changed, 311 insertions(+), 371 deletions(-)
>
> Thanks,
> J
Uh, that's 00/12, and ignore the below; that's left over from the
previous posting.
J
>
> Jeremy Fitzhardinge (18):
> x86/ticketlock: clean up types and accessors
> x86/ticketlock: convert spin loop to C
> x86/ticketlock: Use C for __ticket_spin_unlock
> x86/ticketlock: make large and small ticket versions of spin_lock the
> same
> x86/ticketlock: make __ticket_spin_lock common
> x86/ticketlock: make __ticket_spin_trylock common
> x86: add xadd helper macro
> x86/ticketlock: use xadd helper
> x86/cmpxchg: linux/alternative.h has LOCK_PREFIX
> x86/cmpxchg: move 32-bit __cmpxchg_wrong_size to match 64 bit.
> x86/cmpxchg: move 64-bit set64_bit() to match 32-bit
> x86/cmpxchg: unify cmpxchg into cmpxchg.h
> x86: add cmpxchg_flag() variant
> x86/ticketlocks: use cmpxchg_flag for trylock
> x86: use cmpxchg_flag() where applicable
> x86: report xchg/cmpxchg/xadd usage errors consistently
> x86: add local and sync variants of xadd
> x86: use xadd helper more widely
>
> arch/x86/include/asm/atomic.h | 4 +-
> arch/x86/include/asm/atomic64_64.h | 4 +-
> arch/x86/include/asm/cacheflush.h | 2 +-
> arch/x86/include/asm/cmpxchg.h | 223 +++++++++++++++++++++++++++++++++
> arch/x86/include/asm/cmpxchg_32.h | 128 ++-----------------
> arch/x86/include/asm/cmpxchg_64.h | 131 -------------------
> arch/x86/include/asm/rwsem.h | 11 +--
> arch/x86/include/asm/spinlock.h | 140 +++++++--------------
> arch/x86/include/asm/spinlock_types.h | 22 +++-
> arch/x86/include/asm/uv/uv_bau.h | 4 +-
> arch/x86/kernel/acpi/boot.c | 10 +-
> arch/x86/kernel/cpu/mcheck/mce.c | 2 +-
> arch/x86/xen/p2m.c | 10 +-
> 13 files changed, 321 insertions(+), 370 deletions(-)
>
prev parent reply other threads:[~2011-08-24 21:46 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-24 17:52 [PATCH 00/18] x86: Ticket lock + cmpxchg cleanup Jeremy Fitzhardinge
2011-08-24 17:52 ` [PATCH 01/18] x86/ticketlock: clean up types and accessors Jeremy Fitzhardinge
2011-08-24 17:52 ` [PATCH 02/18] x86/ticketlock: convert spin loop to C Jeremy Fitzhardinge
2011-08-24 20:02 ` Andi Kleen
2011-08-24 17:52 ` [PATCH 03/18] x86/ticketlock: Use C for __ticket_spin_unlock Jeremy Fitzhardinge
2011-08-24 18:01 ` Linus Torvalds
2011-08-24 17:52 ` [PATCH 04/18] x86/ticketlock: make large and small ticket versions of spin_lock the same Jeremy Fitzhardinge
2011-08-24 17:52 ` [PATCH 05/18] x86/ticketlock: make __ticket_spin_lock common Jeremy Fitzhardinge
2011-08-24 17:53 ` [PATCH 06/18] x86/ticketlock: make __ticket_spin_trylock common Jeremy Fitzhardinge
2011-08-24 20:00 ` Andi Kleen
2011-08-24 21:38 ` Linus Torvalds
2011-08-24 21:43 ` Jeremy Fitzhardinge
2011-08-24 21:43 ` Andi Kleen
2011-08-24 21:48 ` Jeremy Fitzhardinge
2011-08-24 21:53 ` Andi Kleen
2011-08-24 17:53 ` [PATCH 07/18] x86: add xadd helper macro Jeremy Fitzhardinge
2011-08-24 17:53 ` [PATCH 08/18] x86/ticketlock: use xadd helper Jeremy Fitzhardinge
2011-08-24 17:53 ` [PATCH 09/18] x86/cmpxchg: linux/alternative.h has LOCK_PREFIX Jeremy Fitzhardinge
2011-08-24 17:53 ` [PATCH 10/18] x86/cmpxchg: move 32-bit __cmpxchg_wrong_size to match 64 bit Jeremy Fitzhardinge
2011-08-24 17:53 ` [PATCH 11/18] x86/cmpxchg: move 64-bit set64_bit() to match 32-bit Jeremy Fitzhardinge
2011-08-24 17:53 ` [PATCH 12/18] x86/cmpxchg: unify cmpxchg into cmpxchg.h Jeremy Fitzhardinge
2011-08-24 17:53 ` [PATCH 13/18] x86: add cmpxchg_flag() variant Jeremy Fitzhardinge
2011-08-24 17:53 ` [PATCH 14/18] x86/ticketlocks: use cmpxchg_flag for trylock Jeremy Fitzhardinge
2011-08-24 17:53 ` [PATCH 15/18] x86: use cmpxchg_flag() where applicable Jeremy Fitzhardinge
2011-08-24 17:53 ` [PATCH 16/18] x86: report xchg/cmpxchg/xadd usage errors consistently Jeremy Fitzhardinge
2011-08-24 17:53 ` [PATCH 17/18] x86: add local and sync variants of xadd Jeremy Fitzhardinge
2011-08-24 17:53 ` [PATCH 18/18] x86: use xadd helper more widely Jeremy Fitzhardinge
2011-08-24 18:03 ` [PATCH 00/18] x86: Ticket lock + cmpxchg cleanup Peter Zijlstra
2011-08-24 18:24 ` Linus Torvalds
2011-08-24 20:10 ` Jeremy Fitzhardinge
2011-08-24 22:53 ` Linus Torvalds
2011-08-24 22:59 ` Jeremy Fitzhardinge
2011-08-24 23:05 ` H. Peter Anvin
2011-08-24 23:09 ` Linus Torvalds
2011-08-24 23:21 ` Linus Torvalds
2011-08-24 23:30 ` Jeremy Fitzhardinge
2011-08-24 23:10 ` Jeremy Fitzhardinge
2011-08-24 21:36 ` [PATCH 01/12] x86/cmpxchg: linux/alternative.h has LOCK_PREFIX Jeremy Fitzhardinge
2011-08-24 21:36 ` [PATCH 02/12] x86/cmpxchg: move 32-bit __cmpxchg_wrong_size to match 64 bit Jeremy Fitzhardinge
2011-08-24 21:37 ` [PATCH 03/12] x86/cmpxchg: move 64-bit set64_bit() to match 32-bit Jeremy Fitzhardinge
2011-08-24 21:37 ` [PATCH 04/12] x86/cmpxchg: unify cmpxchg into cmpxchg.h Jeremy Fitzhardinge
2011-08-24 21:37 ` [PATCH 05/12] x86: add xadd helper macro Jeremy Fitzhardinge
2011-08-24 21:37 ` [PATCH 06/12] x86: add cmpxchg_flag() variant Jeremy Fitzhardinge
2011-08-24 21:37 ` [PATCH 07/12] x86: use cmpxchg_flag() where applicable Jeremy Fitzhardinge
2011-08-24 21:56 ` Linus Torvalds
2011-08-24 22:01 ` H. Peter Anvin
2011-08-24 22:03 ` Jeremy Fitzhardinge
2011-08-24 22:05 ` H. Peter Anvin
2011-08-24 22:02 ` Jeremy Fitzhardinge
2011-08-24 21:37 ` [PATCH 08/12] x86: use xadd helper more widely Jeremy Fitzhardinge
2011-08-24 21:37 ` [PATCH 09/12] x86/ticketlock: clean up types and accessors Jeremy Fitzhardinge
2011-08-24 21:37 ` [PATCH 10/12] x86/ticketlock: convert spin loop to C Jeremy Fitzhardinge
2011-08-24 21:37 ` [PATCH 11/12] x86/ticketlock: convert __ticket_spin_lock to use xadd() Jeremy Fitzhardinge
2011-08-24 21:37 ` [PATCH 12/12] x86/ticketlock: make __ticket_spin_trylock common Jeremy Fitzhardinge
2011-08-24 21:46 ` Jeremy Fitzhardinge [this message]
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=4E557132.2020109@goop.org \
--to=jeremy@goop.org \
--cc=hpa@zytor.com \
--cc=jeremy.fitzhardinge@citrix.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=npiggin@kernel.dk \
--cc=peterz@infradead.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