Re: [PATCH 2/7] linker script: throw away .discard section

[Tejun Heo <tj@kernel.org>]

Tejun Heo wrote:
> 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.

Eh... handling of EXIT_TEXT and DATA aren't uniform across archs.  I
think I'll leave the /DISCARD/ unification for the next time.

Thanks.

-- 
tejun