Two fixes for locking and jump labels:

Browse source

- Ensure that the atomic_cmpxchg() conditions are correct and evaluating
      to true on any non-zero value except 1. The missing check of the
      return value leads to inconsisted state of the jump label counter.
 
    - Add a missing type conversion in the paravirt spinlock code which
      makes loongson build again.
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Merge tag 'locking-urgent-2024-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking fixes from Thomas Gleixner:
 "Two fixes for locking and jump labels:

   - Ensure that the atomic_cmpxchg() conditions are correct and
     evaluating to true on any non-zero value except 1. The missing
     check of the return value leads to inconsisted state of the jump
     label counter.

   - Add a missing type conversion in the paravirt spinlock code which
     makes loongson build again"

* tag 'locking-urgent-2024-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  jump_label: Fix the fix, brown paper bags galore
  locking/pvqspinlock: Correct the type of "old" variable in pv_kick_node()

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This commit is contained in:

Linus Torvalds 2024-08-04 08:32:31 -07:00

parent ff58838015 224fa35520

commit 3bc70ad120

2 changed files with 3 additions and 3 deletions

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4

kernel/jump_label.c

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2

kernel/locking/qspinlock_paravirt.h

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