Re: [PATCH 2/2] smp_call_function: use rwlocks on queues rather thanrcu

From: Christoph Lameter
Date: Fri Aug 22 2008 - 16:04:50 EST


Paul E. McKenney wrote:

> I was indeed thinking in terms of the free from RCU being specially marked.

Isnt there some way to shorten the rcu periods significantly? Critical
sections do not take that long after all.

If the RCU periods are much shorter then the chance of cache hotness of the
objects is increased.

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