linux-kernel - Re: [PATCH 09/10] powerpc: Enable OpenCAPI Storage Class Memory driver on bare metal

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Message-ID: <CAOSf1CGwuAkeayfk0uowN8gkKXWy8jKzgLX5-Gxxqn3ENNiUdA@mail.gmail.com>
Date:   Mon, 28 Oct 2019 13:43:09 +1100
From:   "Oliver O'Halloran" <oohall@...il.com>
To:     "Alastair D'Silva" <alastair@....ibm.com>
Cc:     alastair@...ilva.org, Michael Ellerman <mpe@...erman.id.au>,
        Frederic Barrat <fbarrat@...ux.ibm.com>,
        Andrew Donnellan <ajd@...ux.ibm.com>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>,
        Linux MM <linux-mm@...ck.org>
Subject: Re: [PATCH 09/10] powerpc: Enable OpenCAPI Storage Class Memory
 driver on bare metal

On Fri, Oct 25, 2019 at 3:51 PM Alastair D'Silva <alastair@....ibm.com> 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>
> ---
>  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..45c0eff94964 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=y
> +CONFIG_DEV_DAX_PMEM=y

These should probably be modules. Having them as builtins will force
their dependencies (i.e. libnvdimm) to be built into the kernel too.

> +CONFIG_FS_DAX=y
> --
> 2.21.0
> _______________________________________________
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