On Wed, Sep 19, 2007 at 11:08:08AM +0530, Mansha Linux wrote: > Could you please explain me why do we need the spinlocks on uniprocessor > machines? We don't, the spinlock macro code expands to nothing on a uniprocessor configuration without preemption. > Is this the only reason that the kernel is preemptive ? Except with a preemptive kernel, there we need spinlocks. Erik -- They're all fools. Don't worry. Darwin may be slow, but he'll eventually get them. -- Matthew Lammers in alt.sysadmin.recovery
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