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SubjectRe: [patch 1/4] - Potential performance bottleneck for Linxu TCP
On Thu, 2006-11-30 at 09:33 +0000, Christoph Hellwig wrote:
> On Wed, Nov 29, 2006 at 07:56:58PM -0600, Wenji Wu wrote:
> > Yes, when CONFIG_PREEMPT is disabled, the "problem" won't happen. That is why I put "for 2.6 desktop, low-latency desktop" in the uploaded paper. This "problem" happens in the 2.6 Desktop and Low-latency Desktop.
> CONFIG_PREEMPT is only for people that are in for the feeling. There is no
> real world advtantage to it and we should probably remove it again.

There certainly is a real world advantage for many applications. Of
course it would be better if the latency requirements could be met
without kernel preemption but that's not the case now.


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