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SubjectRe: [PATCH tip/core/rcu 0/3] Documentation and rcutorture changes for 3.9
On Sat, Jan 05, 2013 at 09:03:56AM -0800, Paul E. McKenney wrote:
> Hello!
> The following are changes to documentation and rcutorture:
> 1. Export trace_clock_local() in order to allow rcutorture event
> tracing to emit the time of the beginning of the RCU read-side
> critical section at the point where a failure is detected.
> 2. Reduce rcutorture's read-side tracing to include only failures,
> thus cutting the number of events down to something reasonable
> (normally zero, in fact!).
> 3. Add atomic_xchg() to the list of atomic operations and memory
> barriers, courtesy of Richard Braun.

For the whole series:
Reviewed-by: Josh Triplett <>

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