linux-kernel - Re: [PATCH] tools/memory-model: Fix smp_mb__after

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Date:   Fri, 5 Mar 2021 06:50:51 -0800
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Björn Töpel <bjorn.topel@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        Björn Töpel <bjorn.topel@...el.com>,
        Alan Stern <stern@...land.harvard.edu>,
        Andrea Parri <parri.andrea@...il.com>,
        Will Deacon <will@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Boqun Feng <boqun.feng@...il.com>,
        Nicholas Piggin <npiggin@...il.com>,
        David Howells <dhowells@...hat.com>,
        Jade Alglave <j.alglave@....ac.uk>,
        Luc Maranget <luc.maranget@...ia.fr>,
        Akira Yokosawa <akiyks@...il.com>,
        Daniel Lustig <dlustig@...dia.com>,
        Joel Fernandes <joel@...lfernandes.org>
Subject: Re: [PATCH] tools/memory-model: Fix smp_mb__after_spinlock() spelling

On Fri, Mar 05, 2021 at 11:28:23AM +0100, Björn Töpel wrote:
> From: Björn Töpel <bjorn.topel@...el.com>
> 
> A misspelled invokation of git-grep, revealed that
> smp_mb__after_spinlock() was misspelled in explaination.txt.
> 
> Add missing "_" to smp_mb__after_spinlock().
> 
> Fixes: 1c27b644c0fd ("Automate memory-barriers.txt; provide Linux-kernel memory model")
> Signed-off-by: Björn Töpel <bjorn.topel@...el.com>

Good catch!  Applied, thank you!

						Thanx, Paul

> ---
>  tools/memory-model/Documentation/explanation.txt | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/memory-model/Documentation/explanation.txt b/tools/memory-model/Documentation/explanation.txt
> index f9d610d5a1a4..5d72f3112e56 100644
> --- a/tools/memory-model/Documentation/explanation.txt
> +++ b/tools/memory-model/Documentation/explanation.txt
> @@ -2510,7 +2510,7 @@ they behave as follows:
>  	smp_mb__after_atomic() orders po-earlier atomic updates and
>  	the events preceding them against all po-later events;
>  
> -	smp_mb_after_spinlock() orders po-earlier lock acquisition
> +	smp_mb__after_spinlock() orders po-earlier lock acquisition
>  	events and the events preceding them against all po-later
>  	events.
>  
> 
> base-commit: 7f58c0fb9238abaa3997185ceec319201b6f5a94
> -- 
> 2.27.0
>