Re: [RFC][PATCH 0/6] using lockdep to validate rcu usage

* Peter Zijlstra <[email protected]> wrote:

> This patch set uses lockdep to validate rcu usage.
> 
> It annotates rcu_read_{,un}lock{,_bh}() to catch imbalances. And 
> further uses that information to establish a proper context for 
> rcu_dereference().
> 
> It also separates implicit from explicit preempt_disable() usage, in 
> order to separate rcu_dereference() from the locking model.
> 
> A kernel (2.6.23-rc4-mm1) with these patches boots but does have some 
> funnies - I suspect it calls printf from places it doesn't like.
> 
> The first patch should be safe to apply, the rest is RFC.

great work! The patches look good to me.

Signed-off-by: Ingo Molnar <[email protected]>

	Ingo
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    • From: Peter Zijlstra <[email protected]>

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