From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Olof Johansson <olof@lixom.net>
Cc: "Masahiro Yamada" <yamada.masahiro@socionext.com>,
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Subject: Re: [PATCH 00/18] ARM: use const and __initconst for smp_operations
Date: Mon, 24 Aug 2015 22:21:27 +0100 [thread overview]
Message-ID: <20150824212127.GH7557@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <CAOesGMjku09wsUmwooq2ZXLyV7CPfioi0oAV5EgvW_wE98VYeg@mail.gmail.com>
On Mon, Aug 24, 2015 at 02:12:06PM -0700, Olof Johansson wrote:
> Easiest of all would probably be to get the sub-arch patches into one
> release, then switch the prototypes and function definitions in the
> next. If you switch prototypes first you'll get a bunch of warnings,
> right?
Wrong way around. :)
If you change the sub-arches to declare the smp operations as const,
and try and pass them into a function which doesn't take a const-pointer,
you'll get a warning. The core bits need to go in first before the
sub-arch patches.
I think the series has limited value - it allows us to (a) check that a
small quantity of code doesn't write to these things, and (b) allows us
to move the SMP operations structure from __initdata to __initconstdata.
It's still going to end up in the init region which is read/write in any
case, and still gets thrown away.
Given where we are, I don't think we need to rush this in during the
last week before the merge window opens, even though it's trivial.
--
FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up
according to speedtest.net.
next prev parent reply other threads:[~2015-08-24 21:22 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-24 4:36 Masahiro Yamada
2015-08-24 4:36 ` [PATCH 01/18] ARM: add const qualifier to the argument of smp_set_ops() Masahiro Yamada
2015-08-24 20:33 ` Stephen Boyd
2015-08-24 4:36 ` [PATCH 02/18] ARM: add const qualifier to smp_operations member in structures Masahiro Yamada
2015-08-24 4:36 ` [PATCH 03/18] ARM: alpine: use const and __initconst for smp_operations Masahiro Yamada
2015-08-24 4:36 ` [PATCH 04/18] ARM: axxia: " Masahiro Yamada
2015-08-24 4:36 ` [PATCH 05/18] ARM: BCM: " Masahiro Yamada
2015-08-24 18:33 ` Florian Fainelli
2015-08-24 20:24 ` Ray Jui
2015-08-24 4:36 ` [PATCH 06/18] ARM: berlin: " Masahiro Yamada
2015-08-24 4:36 ` [PATCH 07/18] ARM: EXYNOS: " Masahiro Yamada
2015-08-24 7:17 ` Krzysztof Kozlowski
2015-08-24 4:36 ` [PATCH 08/18] ARM: hisi: do not export smp_operations structures Masahiro Yamada
2015-08-24 4:36 ` [PATCH 09/18] ARM: hisi: use const and __initconst for smp_operations Masahiro Yamada
2015-08-24 4:36 ` [PATCH 10/18] ARM: mvebu: " Masahiro Yamada
2015-08-24 4:36 ` [PATCH 11/18] ARM: qcom: " Masahiro Yamada
2015-08-24 19:36 ` Andy Gross
2015-08-24 4:36 ` [PATCH 12/18] ARM: rockchip: " Masahiro Yamada
2015-08-24 4:36 ` [PATCH 13/18] ARM: socfpga: " Masahiro Yamada
2015-08-24 4:36 ` [PATCH 14/18] ARM: sunxi: " Masahiro Yamada
2015-08-24 6:22 ` Maxime Ripard
2015-08-24 4:36 ` [PATCH 15/18] ARM: uniphier: " Masahiro Yamada
2015-08-24 4:36 ` [PATCH 16/18] ARM: zx: " Masahiro Yamada
2015-08-24 4:36 ` [PATCH 17/18] ARM: zynq: " Masahiro Yamada
2015-08-24 19:58 ` Moritz Fischer
2015-08-24 4:36 ` [PATCH 18/18] ARM: mcpm: " Masahiro Yamada
2015-08-24 21:12 ` [PATCH 00/18] ARM: " Olof Johansson
2015-08-24 21:21 ` Russell King - ARM Linux [this message]
2015-08-24 21:44 ` Olof Johansson
2015-08-25 1:37 ` Masahiro Yamada
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