linux-kernel - Re: [PATCH v3 0/3] Changes, clean-ups and documentation for spin_is

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Date:   Sun, 1 Apr 2018 11:24:26 -0700
From:   "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:     Andrea Parri <andrea.parri@...rulasolutions.com>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        linux-kernel@...r.kernel.org, Will Deacon <will.deacon@....com>
Subject: Re: [PATCH v3 0/3] Changes, clean-ups and documentation for
 spin_is_locked()

On Sun, Apr 01, 2018 at 06:41:49PM +0200, Andrea Parri wrote:
> Hi Paul,
> 
> This series gathers the change to the arm64 implementation of spin_is_locked()
> and the clean-up to the generic (q)spinlock presented in [1] together with the
> patch adding the docbook header to spin_is_locked() [2].
> 
> Apart from minor adjustments to the commit messages, the patches are unchanged.

I queued these on my lkmm branch and pushed them to -rcu, thank you!

I did rework the commit logs a bit, most notably to add the URLs of
the specific messages discussion the spin_is_locked() investigation.
Please take a look and let me know if I have broken something.

							Thanx, Paul

> Cheers,
>   Andrea
> 
> [1] https://marc.info/?l=linux-kernel&m=152223038924258&w=2
> [2] https://marc.info/?l=linux-kernel&m=151981440005264&w=2
> 
> Cc: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
> Cc: Will Deacon <will.deacon@....com>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Ingo Molnar <mingo@...hat.com>
> 
> Andrea Parri (3):
>   arm64: Remove smp_mb() from arch_spin_is_locked()
>   locking: Clean-up comment and #ifndef for {,queued_}spin_is_locked()
>   Documentation/locking: Document the semantics of spin_is_locked()
> 
>  arch/arm64/include/asm/spinlock.h |  5 -----
>  include/asm-generic/qspinlock.h   |  2 --
>  include/linux/mutex.h             |  3 ---
>  include/linux/spinlock.h          | 11 +++++++++++
>  4 files changed, 11 insertions(+), 10 deletions(-)
> 
> -- 
> 2.7.4
>