> Right, that is why you would use a spin_lock ! :)
>
> Further, you would want to use a spin_lock_irq and related friends. The
> irq disable prevents the race wrt interrupts and the spin_lock prevents
> racing wrt SMP.
>
ok things are clear now. so the spin_lock_irq friends are actually for 2
purposes - preventing racing from interrupts and from SMP. so if SMP is not
chosen only the local_irq_disable() part works right??
do { local_irq_disable(); spin_lock(lock); } while (0)
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This archive was generated by hypermail 2b29 : Thu Mar 07 2002 - 21:00:31 EST