Re: [PATCH 1/3] locking: WW mutex cleanup

[Peter Zijlstra]

On Tue, Jun 19, 2018 at 10:24:43AM +0200, Thomas Hellstrom wrote:
> From: Peter Ziljstra <peterz@xxxxxxxxxxxxx>
> 
> Make the WW mutex code more readable by adding comments, splitting up
> functions and pointing out that we're actually using the Wait-Die
> algorithm.
> 
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: Jonathan Corbet <corbet@xxxxxxx>
> Cc: Gustavo Padovan <gustavo@xxxxxxxxxxx>
> Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> Cc: Sean Paul <seanpaul@xxxxxxxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: Davidlohr Bueso <dave@xxxxxxxxxxxx>
> Cc: "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>
> Cc: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Kate Stewart <kstewart@xxxxxxxxxxxxxxxxxxx>
> Cc: Philippe Ombredanne <pombredanne@xxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: linux-doc@xxxxxxxxxxxxxxx
> Cc: linux-media@xxxxxxxxxxxxxxx
> Cc: linaro-mm-sig@xxxxxxxxxxxxxxxx
> Co-authored-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
> Signed-off-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
> ---
>  Documentation/locking/ww-mutex-design.txt |  12 +-
>  include/linux/ww_mutex.h                  |  28 ++---
>  kernel/locking/mutex.c                    | 202 ++++++++++++++++++------------
>  3 files changed, 145 insertions(+), 97 deletions(-)

Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>