linux-kernel - Re: [PATCH for 4.16 v7 02/11] powerpc: membarrier: Skip memory barrier in switch

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Message-ID: <1407075321.16343.1517862728006.JavaMail.zimbra@efficios.com>
Date:   Mon, 5 Feb 2018 20:32:08 +0000 (UTC)
From:   Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-api <linux-api@...r.kernel.org>,
        Andy Lutomirski <luto@...nel.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>,
        "H. Peter Anvin" <hpa@...or.com>,
        Andrea Parri <parri.andrea@...il.com>,
        "Russell King, ARM Linux" <linux@...linux.org.uk>,
        Greg Hackmann <ghackmann@...gle.com>,
        Will Deacon <will.deacon@....com>,
        David Sehr <sehr@...gle.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        x86 <x86@...nel.org>, Alan Stern <stern@...land.harvard.edu>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Nicholas Piggin <npiggin@...il.com>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        linux-arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH for 4.16 v7 02/11] powerpc: membarrier: Skip memory
 barrier in switch_mm()

----- On Feb 5, 2018, at 3:22 PM, Ingo Molnar mingo@...nel.org wrote:

> * Mathieu Desnoyers <mathieu.desnoyers@...icios.com> wrote:
> 
>>  
>> +config ARCH_HAS_MEMBARRIER_HOOKS
>> +	bool
> 
> Yeah, so I have renamed this to ARCH_HAS_MEMBARRIER_CALLBACKS, and propagated it
> through the rest of the patches. "Callback" is the canonical name, and I also
> cringe every time I see 'hook'.
> 
> Please let me know if there are any big objections against this minor cleanup.

No objection at all,

Thanks!

Mathieu

> 
> Thanks,
> 
> 	Ingo

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com