Messages in this thread | | | Subject | Re: [PATCH RFC tip/core/rcu 11/11] rcu: move TREE_RCU from softirq to kthread | From | Steven Rostedt <> | Date | Wed, 23 Feb 2011 13:32:45 -0500 |
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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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