linux-kernel - Re: [PATCH] Fix: membarrier: add missing preempt off around smp_call_function

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Message-ID: <20180110074300.eok5jgr5zqbrgi6a@gmail.com>
Date:   Wed, 10 Jan 2018 08:43:00 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        Boqun Feng <boqun.feng@...il.com>,
        Andrew Hunter <ahh@...gle.com>,
        maged michael <maged.michael@...il.com>,
        Avi Kivity <avi@...lladb.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Dave Watson <davejwatson@...com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Andrea Parri <parri.andrea@...il.com>,
        stable <stable@...r.kernel.org>
Subject: Re: [PATCH] Fix: membarrier: add missing preempt off around
 smp_call_function_many


* Mathieu Desnoyers <mathieu.desnoyers@...icios.com> wrote:

> Hi Linus,
> 
> Can you pick up this straightforward fix please ? Let me know whether
> I need to re-send the patch if for some reason the original post is
> too far back in your inbox.

The fix looks much more reasonable than previous attempts: I'll pick it up into 
tip:sched/urgent and send it Linuswards.

Thanks,

	Ingo