From: u.kleine-koenig@pengutronix.de (Uwe Kleine-König)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] Skip unnecessary pte makeup when clearing it.
Date: Fri, 3 Feb 2012 07:54:32 +0100 [thread overview]
Message-ID: <20120203065432.GG25594@pengutronix.de> (raw)
In-Reply-To: <1327912567-18966-2-git-send-email-bill4carson@gmail.com>
Hello,
On Mon, Jan 30, 2012 at 04:36:07PM +0800, bill4carson at gmail.com wrote:
> From: Bill Carson <bill4carson@gmail.com>
>
> If we are only about to clear a hardware pte entry, then pte makeup code is
> unnecessary for cpu_v7_set_pte_ext and armv6_set_pte_ext, so just skip it.
>
> Signed-off-by: Bill Carson <bill4carson@gmail.com>
I havn't tested and I don't know if the patch brings any advantages like
increased speed. But AFAICT it doesn't change the behaviour of
armv6_set_pte_ext and cpu_v7_set_pte_ext.
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-K?nig |
Industrial Linux Solutions | http://www.pengutronix.de/ |
next prev parent reply other threads:[~2012-02-03 6:54 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-30 8:36 [PATCH V3] Skip unnecessary pte makeup when clearing it bill4carson at gmail.com
2012-01-30 8:36 ` [PATCH] " bill4carson at gmail.com
2012-02-03 6:54 ` Uwe Kleine-König [this message]
2012-02-03 7:43 ` bill4carson
2012-02-03 7:48 ` bill4carson
2012-02-03 9:35 ` Uwe Kleine-König
2012-02-03 10:09 ` bill4carson
2012-02-03 11:27 ` Catalin Marinas
-- strict thread matches above, loose matches on Subject: below --
2012-01-30 1:47 [PATCH V2] " bill4carson at gmail.com
2012-01-30 1:47 ` [PATCH] " bill4carson at gmail.com
2012-01-30 7:58 ` Uwe Kleine-König
2012-01-30 8:29 ` bill4carson
2012-01-18 9:52 bill4carson at gmail.com
2012-01-18 10:20 ` Uwe Kleine-König
2012-01-19 1:52 ` bill4carson
2012-01-18 10:33 ` Catalin Marinas
2012-01-19 1:57 ` bill4carson
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