linux-kernel - Re: [PATCH v2 26/27] powerpc: Enable OpenCAPI Storage Class Memory driver on bare metal

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Message-Id: <2734b940e2eb68e500a03bc5d90689e5948259c2.camel@au1.ibm.com>
Date:   Tue, 03 Dec 2019 15:57:27 +1100
From:   "Alastair D'Silva" <alastair@....ibm.com>
To:     Andrew Donnellan <ajd@...ux.ibm.com>
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Frederic Barrat <fbarrat@...ux.ibm.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Keith Busch <keith.busch@...el.com>,
        Ira Weiny <ira.weiny@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Rob Herring <robh@...nel.org>,
        Anton Blanchard <anton@...abs.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Mahesh Salgaonkar <mahesh@...ux.vnet.ibm.com>,
        Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>,
        Cédric Le Goater <clg@...d.org>,
        Anju T Sudhakar <anju@...ux.vnet.ibm.com>,
        Hari Bathini <hbathini@...ux.ibm.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Greg Kurz <groug@...d.org>,
        Nicholas Piggin <npiggin@...il.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Alexey Kardashevskiy <aik@...abs.ru>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-nvdimm@...ts.01.org, linux-mm@...ck.org
Subject: Re: [PATCH v2 26/27] powerpc: Enable OpenCAPI Storage Class Memory
 driver on bare metal

On Tue, 2019-12-03 at 15:54 +1100, Andrew Donnellan wrote:
> On 3/12/19 2:46 pm, Alastair D'Silva wrote:
> > From: Alastair D'Silva <alastair@...ilva.org>
> > 
> > Enable OpenCAPI Storage Class Memory driver on bare metal
> > 
> > Signed-off-by: Alastair D'Silva <alastair@...ilva.org>
> 
> I'd suggest a summary line more like
> 
> powerpc/configs: Enable OpenCAPI SCM driver in powernv_defconfig
> 
> and a commit message to match.
> 

OK.

> 
> > ---
> >   arch/powerpc/configs/powernv_defconfig | 4 ++++
> >   1 file changed, 4 insertions(+)
> > 
> > diff --git a/arch/powerpc/configs/powernv_defconfig
> > b/arch/powerpc/configs/powernv_defconfig
> > index 6658cceb928c..a8f46aece8a4 100644
> > --- a/arch/powerpc/configs/powernv_defconfig
> > +++ b/arch/powerpc/configs/powernv_defconfig
> > @@ -352,3 +352,7 @@ CONFIG_KVM_BOOK3S_64=m
> >   CONFIG_KVM_BOOK3S_64_HV=m
> >   CONFIG_VHOST_NET=m
> >   CONFIG_PRINTK_TIME=y
> > +CONFIG_OCXL_SCM=m
> > +CONFIG_DEV_DAX=m
> > +CONFIG_DEV_DAX_PMEM=m
> > +CONFIG_FS_DAX=m
> > 
-- 
Alastair D'Silva
Open Source Developer
Linux Technology Centre, IBM Australia
mob: 0423 762 819