Messages in this thread | | | Date | Fri, 10 Jan 2003 03:45:46 -0800 | From | William Lee Irwin III <> | Subject | Re: spin_locks without smp. |
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On Fri, Jan 10, 2003 at 12:42:34PM +0100, Maciej Soltysiak wrote: > while browsing through the network drivers about the etherleak issue i > found that some drivers have: > #ifdef CONFIG_SMP > spin_lock_irqsave(...) > #endif > and some just: > spin_lock_irqsave(...) > or similar. > Which version should be practiced? i thought spinlocks are irrelevant > without SMP so we should use #ifdef to shorten the execution path.
Buggy on preempt. Remove the #ifdef
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