Re: [PATCH RFC tip/core/rcu 11/11] rcu: move TREE_RCU from softirqto kthread

[Steven Rostedt]

On Wed, 2011-02-23 at 12:29 -0600, Christoph Lameter wrote:

> Right if the kthread context can be rescheduled then either preemption
> needs to be disabled to guarantee that all three access the same per cpu
> area data or the code needs to be changed in such a way that a this_cpu
> RMW instructions can do the mods in one go.

Are you suggesting a this_cpu_atomic_inc()?

-- Steve


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