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linux(4): Handle special case for regular futex in handle_futex_death().
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Authored by dchagin on Jul 22 2021, 2:51 PM.

Details

Summary

Handle some races in handle_futex_death() which can prevents a wakeup of
potential waiters which can cause these waiters to block forever.

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Repository
R10 FreeBSD src repository
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.