From: Michael Ellerman <mpe@ellerman.id.au>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: linuxppc-dev@ozlabs.org, LKML <linux-kernel@vger.kernel.org>,
        Peter Zijlstra <peterz@infradead.org>, npiggin@gmail.com,
        Anton Blanchard <anton@samba.org>, mikey@neuling.org,
        oohall@gmail.com, Paul Mackerras <paulus@samba.org>,
        Greg KH <gregkh@linuxfoundation.org>
Subject: Re: [PATCH 09/11] powerpc/64s: Allow control of RFI flush via sysfs
In-Reply-To: <alpine.DEB.2.20.1801081818060.1735@nanos>
References: <20180108165453.26066-1-mpe@ellerman.id.au> <20180108165453.26066-9-mpe@ellerman.id.au> <alpine.DEB.2.20.1801081818060.1735@nanos>
Date: Tue, 09 Jan 2018 09:09:59 +1100
Message-ID: <87y3l880js.fsf@concordia.ellerman.id.au>
MIME-Version: 1.0
Content-Type: text/plain
Sender: linux-kernel-owner@vger.kernel.org

Thomas Gleixner <tglx@linutronix.de> writes:

> On Tue, 9 Jan 2018, Michael Ellerman wrote:
>
> Sorry, I wasn't aware about your efforts and did not cc you. I've just
> queued a more generic sysfs interface for this whole mess:

No worries.

> https://lkml.kernel.org/r/20180107214913.096657732@linutronix.de
>
> It should be simple to extend for write and it would be great if all
> affected architectures could share it.

As you say this has all been a bit of a mess, and as a result we already
have people running kernels with this patch, so we don't want to remove
the 'rfi_flush' file.

But we will certainly add support on powerpc for the files you have
created, in addition to 'rfi_flush'.

cheers