Re: [PATCH for 4.16 v7 02/11] powerpc: membarrier: Skip memory barrier in switch_mm()

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To: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
Subject: Re: [PATCH for 4.16 v7 02/11] powerpc: membarrier: Skip memory barrier in switch_mm()
From: Ingo Molnar <mingo@xxxxxxxxxx>
Date: Mon, 5 Feb 2018 21:22:42 +0100
Cc: Ingo Molnar <mingo@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-api@xxxxxxxxxxxxxxx, Andy Lutomirski <luto@xxxxxxxxxx>, "Paul E . McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>, Boqun Feng <boqun.feng@xxxxxxxxx>, Andrew Hunter <ahh@xxxxxxxxxx>, Maged Michael <maged.michael@xxxxxxxxx>, Avi Kivity <avi@xxxxxxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Dave Watson <davejwatson@xxxxxx>, "H . Peter Anvin" <hpa@xxxxxxxxx>, Andrea Parri <parri.andrea@xxxxxxxxx>, Russell King <linux@xxxxxxxxxxxxxxx>, Greg Hackmann <ghackmann@xxxxxxxxxx>, Will Deacon <will.deacon@xxxxxxx>, David Sehr <sehr@xxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, x86@xxxxxxxxxx, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, Nicholas Piggin <npiggin@xxxxxxxxx>, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx
In-reply-to: <20180129202020.8515-3-mathieu.desnoyers@efficios.com>
References: <20180129202020.8515-1-mathieu.desnoyers@efficios.com> <20180129202020.8515-3-mathieu.desnoyers@efficios.com>
User-agent: NeoMutt/20170609 (1.8.3)

* Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> 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.

Thanks,

	Ingo

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  - From: Mathieu Desnoyers

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