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| From: | Andreas Schwab |
| Subject: | bug#36609: 27.0.50; Possible race-condition in threading implementation |
| Date: | Thu, 10 Jun 2021 17:35:54 +0200 |
| User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) |
On Jun 10 2021, Eli Zaretskii wrote: > The idea is that a variable that is modified in a single machine > instruction will always have the value assigned by the last thread > which set that. You cannot have that without explicit atomic operations. An ordinary RMW access is never atomic across cpus. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."
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