linux-kernel - Re: [PATCH for 4.16] membarrier-sync-core: Document architecture support

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Message-ID: <20180210114700.mq2rg4lbjtzyx5pn@gmail.com>
Date:   Sat, 10 Feb 2018 12:47:00 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc:     linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Andrea Parri <parri.andrea@...il.com>,
        Andrew Hunter <ahh@...gle.com>,
        Andy Lutomirski <luto@...nel.org>,
        Avi Kivity <avi@...lladb.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Boqun Feng <boqun.feng@...il.com>,
        Dave Watson <davejwatson@...com>, David Sehr <sehr@...gle.com>,
        Greg Hackmann <ghackmann@...gle.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Maged Michael <maged.michael@...il.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        Paul Mackerras <paulus@...ba.org>,
        Russell King <linux@...linux.org.uk>,
        Will Deacon <will.deacon@....com>, linux-api@...r.kernel.org,
        linux-arch@...r.kernel.org
Subject: Re: [PATCH for 4.16] membarrier-sync-core: Document architecture
 support


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

> Ensure we gather architecture requirements about each architecture
> supporting the "sync_core" membarrier command in a single file under
> Documentation/features.
> 
> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Peter Zijlstra (Intel) <peterz@...radead.org>
> Cc: Andrea Parri <parri.andrea@...il.com>
> Cc: Andrew Hunter <ahh@...gle.com>
> Cc: Andy Lutomirski <luto@...nel.org>
> Cc: Avi Kivity <avi@...lladb.com>
> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> Cc: Boqun Feng <boqun.feng@...il.com>
> Cc: Dave Watson <davejwatson@...com>
> Cc: David Sehr <sehr@...gle.com>
> Cc: Greg Hackmann <ghackmann@...gle.com>
> Cc: H. Peter Anvin <hpa@...or.com>
> Cc: Linus Torvalds <torvalds@...ux-foundation.org>
> Cc: Maged Michael <maged.michael@...il.com>
> Cc: Michael Ellerman <mpe@...erman.id.au>
> Cc: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
> Cc: Paul Mackerras <paulus@...ba.org>
> Cc: Russell King <linux@...linux.org.uk>
> Cc: Will Deacon <will.deacon@....com>
> Cc: linux-api@...r.kernel.org
> Cc: linux-arch@...r.kernel.org
> ---
>  .../sched/membarrier-sync-core/arch-support.txt    | 62 ++++++++++++++++++++++
>  1 file changed, 62 insertions(+)
>  create mode 100644 Documentation/features/sched/membarrier-sync-core/arch-support.txt
> 
> diff --git a/Documentation/features/sched/membarrier-sync-core/arch-support.txt b/Documentation/features/sched/membarrier-sync-core/arch-support.txt
> new file mode 100644
> index 0000000..2c815a7
> --- /dev/null
> +++ b/Documentation/features/sched/membarrier-sync-core/arch-support.txt
> @@ -0,0 +1,62 @@
> +#
> +# Feature name:          membarrier-sync-core
> +#         Kconfig:       ARCH_HAS_MEMBARRIER_SYNC_CORE
> +#         description:   arch supports core serializing membarrier

This breaks the output of the Documentation/features/list-arch.sh script.

Thanks,

	Ingo