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Message-ID: <4A13B9EA.4030801@kernel.org>
Date: Wed, 20 May 2009 17:06:02 +0900
From: Tejun Heo <tj@...nel.org>
To: Mike Frysinger <vapier.adi@...il.com>
CC: mingo@...e.hu, linux-kernel@...r.kernel.org, x86@...nel.org,
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Subject: Re: [PATCH 2/7] linker script: throw away .discard section
Mike Frysinger wrote:
> On Wed, May 20, 2009 at 03:37, Tejun Heo wrote:
>> x86 throws away .discard section but no other archs do. Also,
>> .discard is not thrown away while linking modules. Make every arch
>> and module linking throw it away. This will be used to define dummy
>> variables for percpu declarations and definitions.
>
> seems like a good time to introduce a common DISCARD define to
> include/asm-generic/vmlinux.lds.h. considering multiple /DISCARD/
> entries are allowed in a linker script, the define should be pretty
> straightforward:
> #define DISCARDS \
> /DISCARD/ : { \
> EXIT_TEXT \
> EXIT_DATA \
> *(.exitcall.exit) \
> *(.discard) \
> }
Hmmm... indeed, that would be nice. I'll update the patch.
Thanks.
--
tejun
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