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From: Rusty Russell <rusty@rustcorp.com.au>
To: Dmitry Torokhov <dtor@vmware.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	David Miller <davem@davemloft.net>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Linux/m68k <linux-m68k@vger.kernel.org>,
	Linux-Arch <linux-arch@vger.kernel.org>
Subject: Re: [PATCH v2] module: deal with alignment issues in built-in module parameters
Date: Mon, 14 Feb 2011 09:34:17 +1030	[thread overview]
Message-ID: <201102140934.17671.rusty@rustcorp.com.au> (raw)
In-Reply-To: <20110211220356.GA13504@dtor-ws.eng.vmware.com>

On Sat, 12 Feb 2011 08:33:56 am Dmitry Torokhov wrote:
> >From 03f1332fc02af7af0d06ab409e3ec72107637845 Mon Sep 17 00:00:00 2001
> From: Dmitry Torokhov <dtor@vmware.com>
> Date: Mon, 7 Feb 2011 13:47:20 -0800
> Subject: [PATCH] module: deal with alignment issues in built-in module parameters
> 
> As DaveM said, we can't reliably put structures into independent
> objects, put them into a special section, and then expect array
> access over them (via the section boundaries) after linking the
> objects together to just "work" due to variable alignment choices
> in different situations. The only solution that seems to work
> reliably is to make an array of plain pointers to the objects in
> question and put those pointers in the special section.

I've applied this, but won't put it to linux-next.  I'll let it stew for
a bit longer unless someone actually reports a problem with the current
code.

Thanks,
Rusty.

  reply	other threads:[~2011-02-13 23:04 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-08  0:02 [PATCH 1/3] module: deal with alignment issues in built-in module versions Dmitry Torokhov
2011-02-08  0:02 ` [PATCH 2/3] module: deal with alignment issues in built-in module parameters Dmitry Torokhov
2011-02-08  0:02 ` [PATCH 3/3] module: do not hide __modver_version_show declaration behind ifdef Dmitry Torokhov
2011-02-08 21:12 ` [PATCH 1/3] module: deal with alignment issues in built-in module versions Geert Uytterhoeven
2011-02-08 21:12   ` Geert Uytterhoeven
2011-02-17 12:43   ` Geert Uytterhoeven
2011-02-17 12:43     ` Geert Uytterhoeven
2011-02-11 22:03 ` [PATCH v2] module: deal with alignment issues in built-in module parameters Dmitry Torokhov
2011-02-13 23:04   ` Rusty Russell [this message]
2011-02-13 23:04     ` Rusty Russell
2011-02-17 17:24 ` [PATCH 1/3] module: deal with alignment issues in built-in module versions Linus Torvalds
2011-02-17 17:24   ` Linus Torvalds
2011-02-17 17:31   ` Dmitry Torokhov
2011-02-17 17:31     ` Dmitry Torokhov
2011-02-17 17:45     ` Linus Torvalds
2011-02-17 17:45       ` Linus Torvalds
2011-02-17 18:00       ` Dmitry Torokhov
2011-02-17 18:06         ` Linus Torvalds
2011-02-17 18:06           ` Linus Torvalds
2011-02-17 21:01           ` David Miller
2011-02-17 21:01             ` David Miller
2011-02-17 21:11             ` Linus Torvalds
2011-02-17 21:17               ` David Miller
2011-02-17 21:54                 ` Linus Torvalds
2011-02-17 22:01                   ` David Miller
2011-02-17 22:19                     ` Dmitry Torokhov
2011-02-17 22:23                       ` David Miller
2011-02-17 22:23                         ` David Miller
2011-02-17 22:48                         ` Linus Torvalds
2011-02-17 22:48                           ` Linus Torvalds
2011-02-17 23:08                           ` Linus Torvalds
2011-02-17 23:19                             ` David Miller
2011-02-19  0:14                             ` Benjamin Herrenschmidt
2011-02-21  4:00                               ` Rusty Russell
2011-02-21  4:00                                 ` Rusty Russell
2011-02-21  7:38                                 ` Geert Uytterhoeven
2011-02-21  7:49                                   ` Dmitry Torokhov
2011-02-21  7:49                                     ` Dmitry Torokhov
2011-02-21 13:25                                     ` Geert Uytterhoeven
2011-02-21 13:25                                       ` Geert Uytterhoeven
2011-02-22  1:58                                 ` Benjamin Herrenschmidt
2011-02-22  1:58                                   ` Benjamin Herrenschmidt
2011-02-22  2:03                                   ` Linus Torvalds
2011-02-22  2:03                                     ` Linus Torvalds
2011-02-22  7:02                                     ` Dmitry Torokhov
2011-02-22 17:08                                       ` Jesper Nilsson
2011-02-22 20:47                                         ` Linus Torvalds
2011-02-22 20:47                                           ` Linus Torvalds
2011-02-23 15:00                                           ` Jesper Nilsson

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