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From: Andrew Morton <akpm@linux-foundation.org>
To: Gilad Ben-Yossef <gilad@benyossef.com>
Cc: Chris Metcalf <cmetcalf@tilera.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Russell King <linux@arm.linux.org.uk>,
	linux-mm@kvack.org, Pekka Enberg <penberg@kernel.org>,
	Matt Mackall <mpm@selenic.com>, Rik van Riel <riel@redhat.com>,
	Andi Kleen <andi@firstfloor.org>,
	Sasha Levin <levinsasha928@gmail.com>, Mel Gorman <mel@csn.ul.ie>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	linux-fsdevel@vger.kernel.org, Avi Kivity <avi@redhat.com>,
	Michal Nazarewicz <mina86@mina86.com>,
	Kosaki Motohiro <kosaki.motohiro@gmail.com>,
	Milton Miller <miltonm@bga.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [v7 1/8] smp: introduce a generic on_each_cpu_mask function
Date: Mon, 30 Jan 2012 13:52:01 -0800	[thread overview]
Message-ID: <20120130135201.7bb5f173.akpm@linux-foundation.org> (raw)
In-Reply-To: <CAOtvUMc3XJ_SqpWAZnhyi6Anjd6rEGQTK_iAWJox-5Y4n4Z8hQ@mail.gmail.com>

On Sun, 29 Jan 2012 14:24:16 +0200
Gilad Ben-Yossef <gilad@benyossef.com> wrote:

> On Thu, Jan 26, 2012 at 12:01 PM, Gilad Ben-Yossef <gilad@benyossef.com> wrote:
> > on_each_cpu_mask calls a function on processors specified by
> > cpumask, which may or may not include the local processor.
> >
> > You must not call this function with disabled interrupts or
> > from a hardware interrupt handler or from a bottom half handler.
> >
> > Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
> > Reviewed-by: Christoph Lameter <cl@linux.com>
> > CC: Chris Metcalf <cmetcalf@tilera.com>
> ...
> > ---
> > __include/linux/smp.h | __ 22 ++++++++++++++++++++++
> > __kernel/smp.c __ __ __ __| __ 29 +++++++++++++++++++++++++++++
> > __2 files changed, 51 insertions(+), 0 deletions(-)
> >
> 
> 
> Milton made the very sensible comment that while adding on_each_cpu() in the
> arch generic code and removing the two arch specific instances from tile and arm
> in separate patches is good for review, it will break bisect.
> 
> He suggested I squash  them into a single commit when it goes in.
> 
> Since you picked the patch set into linux-mm, will now be a good time for that?

I can fold the patches together - I do that all the time.

Please identify exactly whcih patches you're referring to here.  

arm-move-arm-over-to-generic-on_each_cpu_mask and
tile-move-tile-to-use-generic-on_each_cpu_mask should be folded into
smp-introduce-a-generic-on_each_cpu_mask-function, yes?

  reply	other threads:[~2012-01-30 21:52 UTC|newest]

Thread overview: 77+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-26 10:01 [v7 0/8] Reduce cross CPU IPI interference Gilad Ben-Yossef
2012-01-26 10:01 ` [v7 1/8] smp: introduce a generic on_each_cpu_mask function Gilad Ben-Yossef
2012-01-29 12:24   ` Gilad Ben-Yossef
2012-01-30 21:52     ` Andrew Morton [this message]
2012-01-31  6:33       ` Gilad Ben-Yossef
2012-01-26 10:01 ` [v7 2/8] arm: move arm over to generic on_each_cpu_mask Gilad Ben-Yossef
2012-01-26 10:01 ` [v7 3/8] tile: move tile to use " Gilad Ben-Yossef
2012-01-26 10:01 ` [v7 4/8] smp: add func to IPI cpus based on parameter func Gilad Ben-Yossef
2012-01-27 23:57   ` Andrew Morton
2012-01-29 12:04     ` Gilad Ben-Yossef
2012-01-26 10:01 ` [v7 5/8] slub: only IPI CPUs that have per cpu obj to flush Gilad Ben-Yossef
2012-01-26 15:09   ` Christoph Lameter
2012-01-26 10:01 ` [v7 6/8] fs: only send IPI to invalidate LRU BH when needed Gilad Ben-Yossef
2012-01-26 10:02 ` [v7 7/8] mm: only IPI CPUs to drain local pages if they exist Gilad Ben-Yossef
2012-01-26 15:13   ` Christoph Lameter
2012-01-28  0:12   ` Andrew Morton
2012-01-29 12:18     ` Gilad Ben-Yossef
2012-01-30 21:49       ` Andrew Morton
2012-01-31  6:32         ` Gilad Ben-Yossef
2012-01-30 14:59   ` Mel Gorman
2012-01-30 15:14     ` Gilad Ben-Yossef
2012-01-30 15:44       ` Mel Gorman
2012-01-26 10:02 ` [v7 8/8] mm: add vmstat counters for tracking PCP drains Gilad Ben-Yossef
2012-01-26 15:19 ` [v7 0/8] Reduce cross CPU IPI interference Peter Zijlstra
2012-01-29  8:25   ` Gilad Ben-Yossef
2012-02-01 17:04     ` Frederic Weisbecker
2012-02-02  8:46       ` Gilad Ben-Yossef
2012-02-02 15:41         ` Chris Metcalf
2012-02-05 11:46           ` Gilad Ben-Yossef
2012-02-10 18:39             ` Peter Zijlstra
2012-02-10 20:13               ` Gilad Ben-Yossef
2012-02-10 20:29                 ` Peter Zijlstra
2012-02-10 20:39                   ` Gilad Ben-Yossef
2012-02-10 18:33           ` Peter Zijlstra
2012-02-10 20:33             ` Gilad Ben-Yossef
2012-02-15 21:50             ` Chris Metcalf
2012-02-15 22:15               ` Christoph Lameter
2012-02-15 23:44                 ` Chris Metcalf
2012-02-21  1:34               ` Frederic Weisbecker
2012-03-01 18:27                 ` Chris Metcalf
2012-02-10 18:38           ` Peter Zijlstra
2012-02-10 20:24             ` Gilad Ben-Yossef
2012-02-15 15:11               ` Peter Zijlstra
2012-02-15 15:19                 ` Gilad Ben-Yossef
2012-02-15 21:51               ` Chris Metcalf
2012-02-02 16:24         ` Frederic Weisbecker
2012-02-02 16:29           ` Christoph Lameter
2012-02-09 15:52             ` Frederic Weisbecker
2012-02-09 15:59               ` Chris Metcalf
2012-02-09 18:11                 ` Frederic Weisbecker
2012-02-09 16:26               ` Christoph Lameter
2012-02-09 18:32                 ` Frederic Weisbecker
2012-02-01 17:35     ` Peter Zijlstra
2012-02-01 17:57       ` Peter Zijlstra
2012-02-02  9:42         ` Gilad Ben-Yossef
2012-02-01 18:40       ` Paul E. McKenney
2012-02-01 20:06         ` Christoph Lameter
2012-02-01 20:13           ` Paul E. McKenney
2012-02-02  9:34             ` Avi Kivity
2012-02-02 15:34               ` Paul E. McKenney
2012-02-02 16:14                 ` Avi Kivity
2012-02-02 17:01                   ` Paul E. McKenney
2012-02-02 17:23                     ` Avi Kivity
2012-02-02 17:51                       ` Paul E. McKenney
2012-02-05 12:16                         ` Avi Kivity
2012-02-05 16:59                           ` Paul E. McKenney
2012-02-09 15:22                             ` Frederic Weisbecker
2012-02-09 16:05                               ` Avi Kivity
2012-02-09 18:22                                 ` Frederic Weisbecker
2012-02-09 23:41                                   ` Paul E. McKenney
2012-02-10  1:39                                     ` Frederic Weisbecker
2012-02-14 13:18                                       ` Avi Kivity
2012-02-21  0:02                                         ` Frederic Weisbecker
2012-02-02 17:25                     ` Christoph Lameter
2012-02-05 12:06                       ` Gilad Ben-Yossef
2012-02-06 18:19                         ` Christoph Lameter
2012-02-09 15:37                           ` Frederic Weisbecker

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