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

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Date:   Tue, 3 Dec 2019 15:54:20 +1100
From:   Andrew Donnellan <ajd@...ux.ibm.com>
To:     "Alastair D'Silva" <alastair@....ibm.com>, alastair@...ilva.org
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 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.


> ---
>   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
> 

-- 
Andrew Donnellan              OzLabs, ADL Canberra
ajd@...ux.ibm.com             IBM Australia Limited