From: Florian Weimer <fweimer@redhat.com>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: Florian Weimer via Libc-alpha <libc-alpha@sourceware.org>,
Szabolcs Nagy <szabolcs.nagy@arm.com>,
Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Subject: Re: [PATCH] elf: Fix fences in _dl_find_object_update (bug 28745)
Date: Wed, 05 Jan 2022 15:03:57 +0100 [thread overview]
Message-ID: <87lezue0tu.fsf@oldenburg.str.redhat.com> (raw)
In-Reply-To: <87pmp62sgr.fsf@igel.home> (Andreas Schwab's message of "Wed, 05 Jan 2022 15:00:04 +0100")
* Andreas Schwab:
> On Jan 05 2022, Florian Weimer via Libc-alpha wrote:
>
>> As explained in Hans Boehm, Can Seqlocks Get Along with Programming
>> Language Memory Models?, an acquire fence is needed in
>> _dlfo_read_success. The lack of a fence was
>
> This sentence is
I meant to write:
As explained in Hans Boehm, Can Seqlocks Get Along with Programming
Language Memory Models?, an acquire fence is needed in
_dlfo_read_success. The lack of a fence resulted in an observable
bug on powerpc64le compile-time load reordering.
Thanks,
Florian
next prev parent reply other threads:[~2022-01-05 14:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-05 13:47 Florian Weimer
2022-01-05 14:00 ` Andreas Schwab
2022-01-05 14:03 ` Florian Weimer [this message]
2022-01-05 18:49 ` Szabolcs Nagy
2022-01-07 11:59 ` Florian Weimer
2022-01-06 22:13 ` Tulio Magno Quites Machado Filho
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