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From: "Michal Nazarewicz" <mina86@mina86.com>
To: linux-kernel@vger.kernel.org, "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>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Alexander Viro" <viro@zeniv.linux.org.uk>,
	linux-fsdevel@vger.kernel.org, "Avi Kivity" <avi@redhat.com>
Subject: Re: [PATCH v5 1/8] smp: Introduce a generic on_each_cpu_mask function
Date: Tue, 03 Jan 2012 08:51:15 +0100	[thread overview]
Message-ID: <op.v7hz3pbc3l0zgt@mpn-glaptop> (raw)
In-Reply-To: <1325499859-2262-2-git-send-email-gilad@benyossef.com>

On Mon, 02 Jan 2012 11:24:12 +0100, Gilad Ben-Yossef <gilad@benyossef.com> wrote:
> @@ -102,6 +102,13 @@ static inline void call_function_init(void) { }
>  int on_each_cpu(smp_call_func_t func, void *info, int wait);
> /*
> + * Call a function on processors specified by mask, which might include
> + * the local one.
> + */
> +void on_each_cpu_mask(const struct cpumask *mask, void (*func)(void *),
> +		void *info, bool wait);
> +

on_each_cpu() returns an int.  For consistency reasons, would it make sense to
make on_each_cpu_maks() to return and int?  I know that the difference is that
smp_call_function() returns and int and smp_call_function_many() returns void,
but to me it actually seems strange and either I'm missing something important
(which is likely) or this needs to get cleaned up at one point as well.

> +/*
>   * Mark the boot cpu "online" so that it can call console drivers in
>   * printk() and can access its per-cpu storage.
>   */

-- 
Best regards,                                         _     _
.o. | Liege of Serenely Enlightened Majesty of      o' \,=./ `o
..o | Computer Science,  Michał “mina86” Nazarewicz    (o o)
ooo +----<email/xmpp: mpn@google.com>--------------ooO--(_)--Ooo--
--
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  reply	other threads:[~2012-01-03  7:51 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1325499859-2262-1-git-send-email-gilad@benyossef.com>
2012-01-02 10:24 ` [PATCH v5 1/8] smp: Introduce a generic on_each_cpu_mask function Gilad Ben-Yossef
2012-01-03  7:51   ` Michal Nazarewicz [this message]
2012-01-03  8:12     ` Gilad Ben-Yossef
2012-01-03  8:57       ` Michal Nazarewicz
2012-01-03 22:26   ` Andrew Morton
2012-01-05 13:17     ` Michal Nazarewicz
2012-01-08 16:04     ` Gilad Ben-Yossef
2012-01-02 10:24 ` [PATCH v5 2/8] arm: Move arm over to generic on_each_cpu_mask Gilad Ben-Yossef
2012-01-02 10:24 ` [PATCH v5 3/8] tile: Move tile to use " Gilad Ben-Yossef
2012-01-02 10:24 ` [PATCH v5 4/8] smp: Add func to IPI cpus based on parameter func Gilad Ben-Yossef
2012-01-03 22:34   ` Andrew Morton
2012-01-08 16:09     ` Gilad Ben-Yossef
2012-01-02 10:24 ` [PATCH v5 5/8] slub: Only IPI CPUs that have per cpu obj to flush Gilad Ben-Yossef
2012-01-02 10:24 ` [PATCH v5 6/8] fs: only send IPI to invalidate LRU BH when needed Gilad Ben-Yossef
2012-01-02 10:24 ` [PATCH v5 7/8] mm: Only IPI CPUs to drain local pages if they exist Gilad Ben-Yossef
2012-01-03 17:45   ` KOSAKI Motohiro
2012-01-03 18:58     ` Gilad Ben-Yossef
2012-01-03 22:02       ` KOSAKI Motohiro
2012-01-05 14:20     ` Mel Gorman
2012-01-05 14:40       ` Russell King - ARM Linux
2012-01-05 15:24         ` Peter Zijlstra
2012-01-05 16:17         ` Mel Gorman
2012-01-05 16:35           ` Russell King - ARM Linux
2012-01-05 18:35             ` Paul E. McKenney
2012-01-05 22:21               ` Mel Gorman
2012-01-06  6:06                 ` Srivatsa S. Bhat
2012-01-06 10:46                   ` Mel Gorman
2012-01-06 13:28                 ` Greg KH
2012-01-06 14:09                   ` Mel Gorman
2012-01-05 22:06           ` Andrew Morton
2012-01-05 22:31             ` Mel Gorman
2012-01-05 23:19               ` Andrew Morton
2012-01-09 17:25                 ` Mel Gorman
2012-01-07 16:52           ` Paul E. McKenney
2012-01-07 17:05             ` Paul E. McKenney
2012-01-05 15:54   ` Mel Gorman
2012-01-08 16:01     ` Gilad Ben-Yossef

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