Messages in this thread | | | Date | Wed, 19 May 1999 11:57:16 +0200 | From | Manfred Spraul <> | Subject | spinlock_irqsafe() vs. global_cli() |
| |
What's the performance advantage of spinlock_irqsave() vs. global_cli()?
On UP, they are identical, but how large is the advantage on SMP computers? How slow is global_cli() if the other processors do not own the global_irq_lock? Any estimations?
-- Manfred
- 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/
| |