From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/3] ARM: zImage: make sure appended DTB doesn't get overwritten by kernel .bss
Date: Mon, 13 Jun 2011 03:47:57 -0700 [thread overview]
Message-ID: <20110613104757.GE10951@atomide.com> (raw)
In-Reply-To: <1307858800-16712-4-git-send-email-nicolas.pitre@linaro.org>
* Nicolas Pitre <nicolas.pitre@linaro.org> [110611 23:03]:
> The appended DTB gets relocated with the decompressor code to get out
> of the way of the decompressed kernel. However the .bss section may
> be larger than the relocated code and data, therefore overwriting the
> DTB. Let's make sure the relocation takes care of moving zImage so
> no conflict with .bss occurs.
>
> Thanks to Tony Lindgren <tony@atomide.com> for figuring out this issue.
>
> While at it, let's clean up the code a bit so that the wont_overwrite
> symbol is used while determining if a conflict exists, making the above
> change more precise as well as eliminating some ARM/THUMB alternates.
>
> Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Great, this simplifies things:
Acked-by: Tony Lindgren <tony@atomide.com>
next prev parent reply other threads:[~2011-06-13 10:47 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-12 6:06 [PATCH 0/3] patches to allow DTB to be appended to the ARM zImage Nicolas Pitre
2011-06-12 6:06 ` [PATCH 1/3] ARM: zImage: ensure it is always a multiple of 64 bits in size Nicolas Pitre
2011-06-13 10:43 ` Tony Lindgren
2011-06-13 11:24 ` Russell King - ARM Linux
2011-06-13 14:06 ` Nicolas Pitre
2011-06-12 6:06 ` [PATCH 2/3] ARM: zImage: Allow the appending of a device tree binary Nicolas Pitre
2011-06-12 15:01 ` Grant Likely
2011-06-13 10:46 ` Tony Lindgren
2011-06-13 11:26 ` Russell King - ARM Linux
2011-06-13 14:08 ` Nicolas Pitre
2011-06-12 6:06 ` [PATCH 3/3] ARM: zImage: make sure appended DTB doesn't get overwritten by kernel .bss Nicolas Pitre
2011-06-13 10:47 ` Tony Lindgren [this message]
2011-06-12 8:15 ` [PATCH 0/3] patches to allow DTB to be appended to the ARM zImage Russell King - ARM Linux
2011-06-12 8:34 ` Shawn Guo
2011-06-12 9:21 ` Russell King - ARM Linux
2011-06-12 9:38 ` Shawn Guo
2011-06-12 9:52 ` Russell King - ARM Linux
2011-06-12 10:42 ` Shawn Guo
2011-06-12 10:40 ` Russell King - ARM Linux
2011-06-13 23:04 ` David Brown
2011-06-13 23:13 ` Nicolas Pitre
2011-06-14 7:09 ` Nicolas Pitre
2011-06-14 11:25 ` Shawn Guo
2011-06-14 14:53 ` Tony Lindgren
2011-06-14 17:28 ` Nicolas Pitre
2011-06-14 20:32 ` Arnd Bergmann
2011-06-14 21:21 ` Nicolas Pitre
2011-06-14 21:42 ` Arnd Bergmann
2011-06-14 22:06 ` Grant Likely
2011-06-15 8:08 ` Tony Lindgren
2011-06-14 22:32 ` Rob Herring
2011-06-14 23:50 ` Nicolas Pitre
2011-06-15 2:09 ` Rob Herring
2011-06-15 2:21 ` Nicolas Pitre
2011-06-14 21:38 ` David Brown
2011-06-14 23:27 ` [PATCH] Support multiple MEM tags with atags->fdt conversion David Brown
2011-06-15 19:50 ` Nicolas Pitre
2011-06-15 20:15 ` David Brown
2011-06-15 20:20 ` Nicolas Pitre
2011-06-16 1:43 ` David Gibson
2011-06-20 4:03 ` Nicolas Pitre
2011-06-20 4:53 ` David Gibson
2011-06-17 20:23 ` David Brown
2011-06-12 11:22 ` [PATCH 0/3] patches to allow DTB to be appended to the ARM zImage Petr Štetiar
2011-06-12 11:58 ` Russell King - ARM Linux
2011-06-12 14:15 ` Arnd Bergmann
2011-06-12 14:34 ` Russell King - ARM Linux
2011-06-12 15:01 ` Arnd Bergmann
2011-06-12 15:35 ` Russell King - ARM Linux
2011-06-12 15:45 ` Nicolas Pitre
2011-06-13 20:24 ` Dmitry Eremin-Solenikov
2011-06-13 22:05 ` Russell King - ARM Linux
2011-06-13 23:33 ` Grant Likely
2011-06-12 14:57 ` Grant Likely
2011-06-12 15:19 ` Russell King - ARM Linux
2011-06-12 15:47 ` Nicolas Pitre
2011-06-12 15:59 ` Russell King - ARM Linux
2011-06-12 18:59 ` Nicolas Pitre
2011-06-13 9:51 ` Tony Lindgren
2011-06-13 14:14 ` Nicolas Pitre
2011-06-13 14:20 ` Russell King - ARM Linux
2011-06-13 15:02 ` Tony Lindgren
2011-06-13 15:14 ` Nicolas Pitre
2011-06-13 15:17 ` Grant Likely
2011-06-12 19:26 ` Warner Losh
2011-06-13 9:59 ` Tony Lindgren
2011-06-12 15:41 ` Nicolas Pitre
2011-06-14 0:13 ` David Brown
2011-09-06 11:23 ` Linus Walleij
2011-06-21 1:40 ` David Gibson
2011-06-13 4:31 ` Grant Likely
2011-06-13 20:44 ` Nicolas Pitre
2011-09-05 15:43 ` Tony Lindgren
2011-09-05 19:32 ` Nicolas Pitre
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