linux-kernel - Re: [PATCH 0/2] start using spin primitives in sched and locking

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Message-ID: <20170901140123.56c5abb2@roar.ozlabs.ibm.com>
Date:   Fri, 1 Sep 2017 14:01:23 +1000
From:   Nicholas Piggin <npiggin@...il.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] start using spin primitives in sched and locking

Hi guys,

Any thoughts on these?

Thanks,
Nick

On Sun, 20 Aug 2017 19:25:00 +1000
Nicholas Piggin <npiggin@...il.com> wrote:

> Nicholas Piggin (2):
>   locking: Use spin primitives for busy loops
>   sched/idle: Use spin loop primitives for polling idle
> 
>  include/linux/bit_spinlock.h        |  5 ++---
>  include/linux/seqlock.h             |  9 ++++-----
>  kernel/locking/mcs_spinlock.h       |  6 ++----
>  kernel/locking/mutex.c              | 10 ++++++++--
>  kernel/locking/osq_lock.c           | 17 +++++++++++++----
>  kernel/locking/qrwlock.c            | 11 ++++++++---
>  kernel/locking/qspinlock.c          | 14 ++++++++++----
>  kernel/locking/qspinlock_paravirt.h | 16 ++++++++++++----
>  kernel/locking/rwsem-xadd.c         |  9 +++++++--
>  kernel/sched/idle.c                 |  7 ++++++-
>  10 files changed, 72 insertions(+), 32 deletions(-)
>