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SubjectRe: spin_locks without smp.
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.

On Fri, Jan 10, 2003 at 03:45:46AM -0800, William Lee Irwin III wrote:
> Buggy on preempt. Remove the #ifdef

Actually the only extant example of this is in eexpress.c

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