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

Waiman Long
2016-06-15T19:21:13Z

On 06/15/2016 01:40 PM, Peter Zijlstra wrote:
> 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.

Thanks for pointing this out. I will update the changelog to mention
that the movement is needed because it is going to call
rwsem_optimistic_spin() in later patch.

Cheers,
Longman