From: Oleg Nesterov <oleg@tv-sign.ru>
To: Gautham R Shenoy <ego@in.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org,
Rusty Russel <rusty@rustcorp.com.au>,
Srivatsa Vaddagiri <vatsa@in.ibm.com>,
Dipankar Sarma <dipankar@in.ibm.com>, Ingo Molnar <mingo@elte.hu>,
Paul E McKenney <paulmck@us.ibm.com>,
Richard Gooch <rgooch@atnf.csiro.au>,
Tigran Aivazian <tigran@aivazian.fs.co.uk>,
Shoahua Li <shaohua.li@linux.com>,
Ralf Baechle <ralf@linux-mips.org>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Nathan Lynch <ntl@pobox.com>, Paul Jackson <pj@sgi.com>,
Christoph Lameter <clameter@sgi.com>,
Pekka Enberg <penberg@cs.helsinki.fi>,
Akinobu Mita <akinobu.mita@gmail.com>
Subject: Re: [RFC PATCH 3/3] cpu-hotplug: Replace per-subsystem mutexes with get_online_cpus()
Date: Thu, 15 Nov 2007 19:36:19 +0300 [thread overview]
Message-ID: <20071115163619.GA110@tv-sign.ru> (raw)
In-Reply-To: <20071115135336.GC15462@in.ibm.com>
On 11/15, Gautham R Shenoy wrote:
>
> This patch converts the known per-subsystem mutexes to get_online_cpus
> put_online_cpus. It also eliminates the CPU_LOCK_ACQUIRE
> and CPU_LOCK_RELEASE hotplug notification events.
>
> Signed-off-by: Gautham R Shenoy <ego@in.ibm.com>
> ---
> include/linux/notifier.h | 4 +---
> kernel/cpu.c | 4 ----
> kernel/sched.c | 25 +++++++++----------------
> kernel/workqueue.c | 35 +++++++++++++++--------------------
> mm/slab.c | 18 +++++++++++-------
Can't really comment the changes outside the workqueue.c, but imho the
whole series is very good.
Oleg.
next prev parent reply other threads:[~2007-11-15 16:36 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-15 13:49 [RFC PATCH 0/3] Refcount Based Cpu Hotplug V3 Gautham R Shenoy
2007-11-15 13:51 ` [RFC PATCH 1/3] cpu-hotplug: Refcount Based Cpu Hotplug implementation Gautham R Shenoy
2007-11-15 14:15 ` Ingo Molnar
2007-11-15 15:25 ` Ingo Molnar
2007-11-15 16:05 ` Ingo Molnar
2007-11-20 10:55 ` Gautham R Shenoy
2007-11-15 17:12 ` Oleg Nesterov
2007-11-15 13:52 ` [RFC PATCH 2/3] cpu-hotplug: Replace lock_cpu_hotplug() with get_online_cpus() Gautham R Shenoy
2007-11-15 15:37 ` Ralf Baechle DL5RB
2007-11-15 13:53 ` [RFC PATCH 3/3] cpu-hotplug: Replace per-subsystem mutexes " Gautham R Shenoy
2007-11-15 16:36 ` Oleg Nesterov [this message]
2007-11-15 18:26 ` Christoph Lameter
2007-11-15 14:13 ` [RFC PATCH 0/3] Refcount Based Cpu Hotplug V3 Ingo Molnar
2007-11-15 18:27 ` Christoph Lameter
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