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Re: Restartable Sequences system call merged into Linux
On 11/07/2018 14:45, Florian Weimer wrote:
> On 07/11/2018 07:42 PM, Adhemerval Zanella wrote:
>> I did not dig into to check what it would require to fix this issue,
>> however only x86, sparc, and s390 seems to be affected.
>
> It should affect all architectures, with varying symptoms, due to the way we allocate the TCB off thread stacks.
It seems for TLS_DTV_AT_TP the static tls alignment is indeed
take in consideration (at least the bug report testcase does
not fail on aarch64 or powerpc64le). I need to remind better
how all these fields are layout on different ABIs...
>
>> But thinking
>> twice, it seems we can live with this issue at least for 2.28.
>
> And we should be able to backport the fix if it happens early enough during 2.29 development.
>
> Thanks,
> Florian