From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: Florian Weimer <fweimer@redhat.com>, libc-alpha@sourceware.org
Subject: Re: Restartable Sequences system call merged into Linux
Date: Wed, 11 Jul 2018 17:59:00 -0000 [thread overview]
Message-ID: <cf83696f-56f4-eed3-1691-faddd38a9520@linaro.org> (raw)
In-Reply-To: <de322e75-b4fd-ae9f-d864-2d951026dd5a@redhat.com>
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
next prev parent reply other threads:[~2018-07-11 17:59 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-11 19:49 Mathieu Desnoyers
2018-06-11 19:55 ` Florian Weimer
2018-06-11 20:04 ` Mathieu Desnoyers
2018-06-12 13:11 ` Florian Weimer
2018-06-12 16:31 ` Mathieu Desnoyers
2018-06-13 8:23 ` Florian Weimer
2018-06-14 12:28 ` Pavel Machek
2018-06-14 13:02 ` Mathieu Desnoyers
2018-06-14 13:26 ` Pavel Machek
2018-06-14 13:32 ` Florian Weimer
2018-06-14 13:46 ` Mathieu Desnoyers
2018-06-15 5:10 ` Florian Weimer
2018-06-15 17:44 ` Mathieu Desnoyers
2018-06-14 13:38 ` Mathieu Desnoyers
2018-06-14 13:50 ` Pavel Machek
2018-06-14 14:01 ` Florian Weimer
2018-06-14 14:36 ` Mathieu Desnoyers
2018-06-14 14:41 ` Florian Weimer
2018-06-14 15:09 ` Mathieu Desnoyers
2018-06-15 5:09 ` Florian Weimer
2018-06-15 17:50 ` Mathieu Desnoyers
2018-06-15 5:07 ` Florian Weimer
2018-06-13 11:48 ` Heiko Carstens
2018-06-13 16:14 ` Mathieu Desnoyers
2018-06-13 19:53 ` Mathieu Desnoyers
2018-07-11 16:03 ` Stefan Liebler
2018-07-11 16:23 ` Adhemerval Zanella
2018-07-11 17:19 ` Florian Weimer
2018-07-11 17:42 ` Adhemerval Zanella
2018-07-11 17:45 ` Florian Weimer
2018-07-11 17:59 ` Adhemerval Zanella [this message]
2018-07-12 8:08 ` Stefan Liebler
2018-07-11 19:05 ` Carlos O'Donell
2018-07-12 8:10 ` Szabolcs Nagy
2018-07-13 13:22 ` Stefan Liebler
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