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SubjectRe: [PATCH -v2 0/7] locking: Percpu-rwsem rewrite

On 31/01/20 16:07, Peter Zijlstra wrote:
> Hi all,
> This is the long awaited report of the percpu-rwsem rework (sorry Juri).
> IIRC (I really have trouble keeping up momentum on this series) I've addressed
> all previous comments by Oleg and Davidlohr and Waiman and hope we can stick
> this in tip/locking/core for inclusion in the next merge.
> It has been cooked (thoroughly) in PREEMPT_RT, and not found wanting.
> Any objections to me stuffing it in so we can all forget about it properly?

FWIW, backported and tested again on downstream PREEMPT_RT kernel.
locktorture didn't find any problem and latencies look good.

Tested-by: Juri Lelli <>



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