Re: [RFC PATCH-tip v2 4/6] locking/rwsem: move down rwsem_down_read_failed function
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- To: Waiman Long <Waiman.Long@xxxxxxx>
- Subject: Re: [RFC PATCH-tip v2 4/6] locking/rwsem: move down rwsem_down_read_failed function
- From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
- Date: Wed, 15 Jun 2016 19:40:55 +0200
- Cc: Ingo Molnar <mingo@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-alpha@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, Davidlohr Bueso <dave@xxxxxxxxxxxx>, Jason Low <jason.low2@xxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>, Scott J Norton <scott.norton@xxxxxxx>, Douglas Hatch <doug.hatch@xxxxxxx>
- In-reply-to: <1465944489-43440-5-git-send-email-Waiman.Long@hpe.com>
- List-id: <linux-ia64.vger.kernel.org>
- References: <1465944489-43440-1-git-send-email-Waiman.Long@hpe.com> <1465944489-43440-5-git-send-email-Waiman.Long@hpe.com>
- User-agent: Mutt/1.5.23.1 (2014-03-12)
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.
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