On Fri, 11 Aug 2000, Jeff V. Merkey wrote:
>
> Thanks! This is good to know. This means if I use it inside of
> spinlock_irqsave() outside an interrupt, it will tell me not to context
> switch .... Need to look at this.
It's wrong.
It _can_ return false positives, but only
- for a _globally_ disabled irq region
- and only on SMP.
Basically, the rule is that if you use a global cli/sti region, all bets
are off.
Spinlocks do not affect the state - not even if they are of the irq-safe
type.
Linus
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Tue Aug 15 2000 - 21:00:25 EST