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SubjectRe: [PATCH tip/core/rcu 0/6] Documentation changes for 3.15
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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