[OE-core] [PATCH] glibc: add ld.so locks in _libc_fork

[Khem Raj]

On Sun, Aug 13, 2017 at 8:04 PM, Zhixiong Chi
<zhixiong.chi at windriver.com> wrote:
>
>
> On 2017年08月14日 00:35, Khem Raj wrote:
>>
>> On Sun, Aug 13, 2017 at 1:36 AM, Richard Purdie
>> <richard.purdie at linuxfoundation.org> wrote:
>>>
>>> On Fri, 2017-08-11 at 11:16 +0800, Zhixiong Chi wrote:
>>>>
>>>> The patch in this Bugzilla entry was requested by a customer:
>>>>    https://sourceware.org/bugzilla/show_bug.cgi?id=4578
>>>>    https://www.sourceware.org/bugzilla/show_bug.cgi?id=19282
>>>
>>> I'm a little nervous about accepting a patch which has been sitting in
>>> the glibc bugzilla for around 10 years. Any idea why upstream haven't
>>> taken this?
>>>
>> patches look sane to me. I would like to see if we can reproduce the
>> issue on x86 using the
>> testcases from bugzilla
>
>
> I don't know why the upstream don't take care of it. I guess the reason
> may be that the testcases is out of scope and we usually don't use the
> unasync-signal-safe function after the forking.
>
> Yes, the testcases from bugzilla can be reproduced easily on every
> qemu bsp. At the same time we have done the glibc regression testing,
> The patches works well.

Please test it on hardware as well. I think the patch is safe. I will bring this
up in glibc community.

>
> Thanks.
>
>>> Cheers,
>>>
>>> Richard
>>> --
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>
>
> --
> ---------------------
> Thanks,
> Zhixiong Chi
> Tel: +86-10-8477-7036
>