Linux: Kernel Preemption, To Enable Or Not To Enable

Posted by dave on Mar 22, 2004 4:13 AM EDT
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A recent bug report on the lkml complained of significant performance degradation from enabling CONFIG_PREEMPT, kernel preemption. 2.6 kernel maintainer Andrew Morton [interview] pointed out that such degradation from enabling kernel preemption is not normal, instead likely from it triggering a bug. However, an interesting conversation on the merits of kernel preemption followed.

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