The !CONFIG_SMP implementation of futex_atomic_op_inuser() seems to rely
on disabled preemption to guarantee mutual exclusion.
>From commit e589ed23dd27:
"For UP it's enough to disable preemption to ensure mutual exclusion..."
>From the code itself:
"!SMP, we can work around lack of
The !CONFIG_SMP implementation of futex_atomic_op_inuser() seems to rely
on disabled preemption to guarantee mutual exclusion.
From commit e589ed23dd27:
For UP it's enough to disable preemption to ensure mutual exclusion...
From the code itself:
!SMP, we can work around lack of atomic ops
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