- Prevent lock contention on the new sigaltstack lock on the common-case

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path, when no changes have been made to the alternative signal stack.
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Merge tag 'core_urgent_for_v5.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull signal handlign fix from Borislav Petkov:

 - Prevent lock contention on the new sigaltstack lock on the
   common-case path, when no changes have been made to the alternative
   signal stack.

* tag 'core_urgent_for_v5.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  signal: Skip the altstack update when not needed

...

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Linus Torvalds 2021-12-19 11:46:54 -08:00

parent a4cc5ea443 6c3118c321

commit c36d891d78

1 changed files with 9 additions and 0 deletions

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kernel/signal.c

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