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SubjectRe: [PATCH] blackfin: Makefile: Skip reloc overflow issue when COMPILE_TEST enabled
On 4/9/15 21:38, Richard Weinberger wrote:
> Am 09.04.2015 um 15:28 schrieb Chen Gang:
>> On 4/9/15 05:12, Richard Weinberger wrote:
>>> Am 08.04.2015 um 23:10 schrieb Chen Gang:
>>>> After this patch, blackfin can pass allmodconfig building (if we treat
>>>> it as allmodconfig). And next, I shall try to:
>>>> - Send all related patches v2 for blackfin kernel within this month.
>>>> - Fix blackfin gcc/binutils related issues within this month.
>>> All you do is randomly papering over issues to make the allmodconfig build
>>> somehow proceed.
>>> This is not the correct way to deal with problems.
>> Still, for me, it is not a good idea to make a conclusion in discussing.
>> For gcc/binutils issues, they are real world issue, they need to be
>> fixed, next (I shall try to fix them within this month).
> I leave that up to the blackfin maintainer.

OK, thanks.

> IMHO this is wrong, you're not fixing a real world issue, all you do is
> making allmodconfig somehow proceed by papering over possible real issues
> which you cannot test as you don't have blackfin hardware.

For me, it is not a real world issue, the user should not let it happen.
It is only about building test (COMPILE_TEST).

And for me, the root cause is:

- init section is the last section which can be dropped easily.

- but init section includes l1 section (which may also include sched

- l1 section has fixed address. If the kernel is too big, l1 section
will be overwrite, so ld report "reloc overflow".

Welcome any other ideas, discussions or completions.

Chen Gang

Open, share, and attitude like air, water, and life which God blessed

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