Re: Sleeping in RCU list traversal

[Peter Zijlstra]

On Mon, 2007-10-08 at 01:56 +0900, Tetsuo Handa wrote:

> So, I don't need to grab a reference to "ptr"
> because memory region pointed by "ptr" will never be kfree()ed.
> And it is legal to use "ptr" after rcu_read_unlock()
> because memory region pointed by "ptr" will never be kfree()ed.

Still think that is a very BAD (tm) idea. Esp since with the help of RCU
there is hardly any performance loss of not doing proper deletes.


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