Re: [PATCH] kernel/rcupdate.c microcleanup

[Linus Torvalds]

On Tue, 11 Mar 2003, Andrey Panin wrote:
> 
> attached patch (2.5.64) contains small cleanup of RCU code:
>     - move smp_processor_id() outside of irq disabled region in call_rcu();

That looks wrong, and is likely to break with preemption, since the caller 
could potentially be moved to another CPU between the smp_processor_id() 
and the irq disable.

		Linus