Re: [PATCH 4/4] powerpc: Allow LD_DEAD_CODE_DATA_ELIMINATION to be selected

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Hi Nicholas,

2018-04-20 19:41 GMT+09:00 Nicholas Piggin <npiggin@xxxxxxxxx>:
> On Fri, 20 Apr 2018 12:00:49 +0200
> Mathieu Malaterre <malat@xxxxxxxxxx> wrote:
>
>> On Fri, Apr 20, 2018 at 9:34 AM, Nicholas Piggin <npiggin@xxxxxxxxx> wrote:
>> > This requires further changes to linker script to KEEP some tables
>> > and wildcard compiler generated sections into the right place. This
>> > includes pp32 modifications from Christophe Leroy.
>> >
>> > When compiling powernv_defconfig with this option:
>> >
>> > text       data      bss       dec        filename
>> > 11827621   4810490   1341080   17979191   vmlinux
>> > 11752437   4598858   1338776   17690071   vmlinux.dcde
>> >
>> > Resulting kernel is almost 400kB smaller (and still boots).
>> >
>> > [ppc32 numbers here]
>>
>> ^^^
>>
>> Do you want somebody else to provide those numbers ?
>
> If you have a booting kernel, yes some more numbers would be good.
>
> Thanks,
> Nick



I applied this series because I want it to be more tested in linux-next.


Some requests:

 - Could you provide information to replace '[ppc32 numbers here]'?
   (or just remove it)

 - V2 is welcome if you have code improvement.
   (I thought so from your comments)

Thanks.


-- 
Best Regards
Masahiro Yamada



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