Re: [RFC PATCH-tip v2 4/6] locking/rwsem: move down rwsem_down_read_failed function

Peter Zijlstra
2016-06-15T17:40:55Z

On Tue, Jun 14, 2016 at 06:48:07PM -0400, Waiman Long wrote:
> Move the rwsem_down_read_failed() function down to below the optimistic
> spinning section before enabling optimistic spinning for the readers.

newline

> There is no change in code.

Changelog fails to explain the why part.