From: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
To: Gilad Ben-Yossef <gilad@benyossef.com>
Cc: linux-kernel@vger.kernel.org, Chris Metcalf <cmetcalf@tilera.com>,
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>,
Andrew Morton <akpm@linux-foundation.org>,
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>
Subject: Re: [PATCH v8 1/8] smp: introduce a generic on_each_cpu_mask function
Date: Sun, 05 Feb 2012 20:48:31 +0530 [thread overview]
Message-ID: <4F2E9DC7.1070702@linux.vnet.ibm.com> (raw)
In-Reply-To: <1328449499-15886-1-git-send-email-gilad@benyossef.com>
On 02/05/2012 07:14 PM, Gilad Ben-Yossef 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>
> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
> Reviewed-by: Christoph Lameter <cl@linux.com>
> CC: Chris Metcalf <cmetcalf@tilera.com>
> CC: Frederic Weisbecker <fweisbec@gmail.com>
> CC: Russell King <linux@arm.linux.org.uk>
> CC: linux-mm@kvack.org
> CC: Pekka Enberg <penberg@kernel.org>
> CC: Matt Mackall <mpm@selenic.com>
> CC: Rik van Riel <riel@redhat.com>
> CC: Andi Kleen <andi@firstfloor.org>
> CC: Sasha Levin <levinsasha928@gmail.com>
> CC: Mel Gorman <mel@csn.ul.ie>
> CC: Andrew Morton <akpm@linux-foundation.org>
> CC: Alexander Viro <viro@zeniv.linux.org.uk>
> CC: linux-fsdevel@vger.kernel.org
> CC: Avi Kivity <avi@redhat.com>
> CC: Michal Nazarewicz <mina86@mina86.com>
> CC: Kosaki Motohiro <kosaki.motohiro@gmail.com>
> CC: Milton Miller <miltonm@bga.com>
> ---
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Regards,
Srivatsa S. Bhat
WARNING: multiple messages have this Message-ID (diff)
From: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
To: Gilad Ben-Yossef <gilad@benyossef.com>
Cc: linux-kernel@vger.kernel.org, Chris Metcalf <cmetcalf@tilera.com>,
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>,
Andrew Morton <akpm@linux-foundation.org>,
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>
Subject: Re: [PATCH v8 1/8] smp: introduce a generic on_each_cpu_mask function
Date: Sun, 05 Feb 2012 20:48:31 +0530 [thread overview]
Message-ID: <4F2E9DC7.1070702@linux.vnet.ibm.com> (raw)
In-Reply-To: <1328449499-15886-1-git-send-email-gilad@benyossef.com>
On 02/05/2012 07:14 PM, Gilad Ben-Yossef 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>
> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
> Reviewed-by: Christoph Lameter <cl@linux.com>
> CC: Chris Metcalf <cmetcalf@tilera.com>
> CC: Frederic Weisbecker <fweisbec@gmail.com>
> CC: Russell King <linux@arm.linux.org.uk>
> CC: linux-mm@kvack.org
> CC: Pekka Enberg <penberg@kernel.org>
> CC: Matt Mackall <mpm@selenic.com>
> CC: Rik van Riel <riel@redhat.com>
> CC: Andi Kleen <andi@firstfloor.org>
> CC: Sasha Levin <levinsasha928@gmail.com>
> CC: Mel Gorman <mel@csn.ul.ie>
> CC: Andrew Morton <akpm@linux-foundation.org>
> CC: Alexander Viro <viro@zeniv.linux.org.uk>
> CC: linux-fsdevel@vger.kernel.org
> CC: Avi Kivity <avi@redhat.com>
> CC: Michal Nazarewicz <mina86@mina86.com>
> CC: Kosaki Motohiro <kosaki.motohiro@gmail.com>
> CC: Milton Miller <miltonm@bga.com>
> ---
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Regards,
Srivatsa S. Bhat
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next prev parent reply other threads:[~2012-02-05 15:18 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-05 13:33 [PATCH v8 0/8] Reduce cross CPU IPI interference Gilad Ben-Yossef
2012-02-05 13:33 ` Gilad Ben-Yossef
2012-02-05 13:44 ` [PATCH v8 1/8] smp: introduce a generic on_each_cpu_mask function Gilad Ben-Yossef
2012-02-05 13:44 ` Gilad Ben-Yossef
2012-02-05 15:18 ` Srivatsa S. Bhat [this message]
2012-02-05 15:18 ` Srivatsa S. Bhat
2012-02-05 13:48 ` [PATCH v8 2/8] arm: move arm over to generic on_each_cpu_mask Gilad Ben-Yossef
2012-02-05 13:48 ` Gilad Ben-Yossef
2012-02-05 13:48 ` [PATCH v8 3/8] tile: move tile to use " Gilad Ben-Yossef
2012-02-05 13:48 ` Gilad Ben-Yossef
2012-02-05 13:48 ` [PATCH v8 4/8] smp: add func to IPI cpus based on parameter func Gilad Ben-Yossef
2012-02-05 13:48 ` Gilad Ben-Yossef
2012-02-05 15:36 ` Srivatsa S. Bhat
2012-02-05 15:36 ` Srivatsa S. Bhat
2012-02-05 15:46 ` Gilad Ben-Yossef
2012-02-05 15:46 ` Gilad Ben-Yossef
2012-02-05 16:00 ` Srivatsa S. Bhat
2012-02-05 16:00 ` Srivatsa S. Bhat
2012-02-05 16:03 ` Srivatsa S. Bhat
2012-02-05 16:03 ` Srivatsa S. Bhat
2012-02-08 9:30 ` Michal Nazarewicz
2012-02-08 9:30 ` Michal Nazarewicz
2012-02-09 0:03 ` Andrew Morton
2012-02-09 0:03 ` Andrew Morton
2012-02-09 8:08 ` Gilad Ben-Yossef
2012-02-09 8:08 ` Gilad Ben-Yossef
2012-02-09 8:13 ` Andrew Morton
2012-02-09 8:13 ` Andrew Morton
2012-02-09 9:53 ` Gilad Ben-Yossef
2012-02-09 9:53 ` Gilad Ben-Yossef
2012-02-05 13:48 ` [PATCH v8 5/8] slub: only IPI CPUs that have per cpu obj to flush Gilad Ben-Yossef
2012-02-05 13:48 ` Gilad Ben-Yossef
2012-02-05 13:48 ` [PATCH v8 6/8] fs: only send IPI to invalidate LRU BH when needed Gilad Ben-Yossef
2012-02-05 13:48 ` Gilad Ben-Yossef
2012-02-05 13:48 ` [PATCH v8 7/8] mm: only IPI CPUs to drain local pages if they exist Gilad Ben-Yossef
2012-02-05 13:48 ` Gilad Ben-Yossef
2012-02-08 9:33 ` Michal Nazarewicz
2012-02-08 9:33 ` Michal Nazarewicz
2012-02-09 8:09 ` Gilad Ben-Yossef
2012-02-09 8:09 ` Gilad Ben-Yossef
2012-02-05 13:48 ` [PATCH v8 8/8] mm: add vmstat counters for tracking PCP drains Gilad Ben-Yossef
2012-02-05 13:48 ` Gilad Ben-Yossef
2012-02-08 9:36 ` [PATCH v8 0/8] Reduce cross CPU IPI interference Michal Nazarewicz
2012-02-08 9:36 ` Michal Nazarewicz
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