Messages in this thread | | | Date | Mon, 17 Feb 2014 13:47:16 -0800 | From | Josh Triplett <> | Subject | Re: [PATCH tip/core/rcu 0/6] Documentation changes for 3.15 |
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On Mon, Feb 17, 2014 at 01:26:25PM -0800, Paul E. McKenney wrote: > Hello! > > This series provides a variety of documentation updates: > > 1. Update the documentation on actions to take to avoid frenetic > call_rcu() invocations from exhausting memory, including a mention > of internal-to-RCU avoidance measures. > > 2. Add a note to Documentation/memory-barriers.txt stating that > ACCESS_ONCE() provides cache coherence for accesses to any > single given variable. > > 3. Add an explicit statement that in control dependencies, the > condition must include the load in question. > > 4. Add WQ_SYSFS workqueues as a work-offloading option in > Documentation/kernel-per-CPU-kthreads.txt. > > 5. It turns out that some types of control dependencies require > memory barriers, most notably when the exact same store is > at the beginning of both the then-clause and the else-clause. > Document this. > > 6. Fixups to RTFP.txt
I've replied to 1, 2, and 5 with comments. For 3, 4, and 6: Reviewed-by: Josh Triplett <josh@joshtriplett.org>
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