linux-kernel - Re: [PATCH 04/16] libnvdimm: Move nd_numa_attribute_group to device

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Message-ID: <87h839tpo9.fsf@linux.ibm.com>
Date:   Tue, 12 Nov 2019 14:52:14 +0530
From:   "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>
To:     Dan Williams <dan.j.williams@...el.com>, linux-nvdimm@...ts.01.org
Cc:     Ira Weiny <ira.weiny@...el.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        "Oliver O'Halloran" <oohall@...il.com>,
        Vishal Verma <vishal.l.verma@...el.com>, peterz@...radead.org,
        dave.hansen@...ux.intel.com, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [PATCH 04/16] libnvdimm: Move nd_numa_attribute_group to device_type

Dan Williams <dan.j.williams@...el.com> writes:

> A 'struct device_type' instance can carry default attributes for the
> device. Use this facility to remove the export of
> nd_numa_attribute_group and put the responsibility on the core rather
> than leaf implementations to define this attribute.
>
> Cc: Ira Weiny <ira.weiny@...el.com>
> Cc: Michael Ellerman <mpe@...erman.id.au>
> Cc: "Oliver O'Halloran" <oohall@...il.com>
> Cc: Vishal Verma <vishal.l.verma@...el.com>
> Cc: Aneesh Kumar K.V <aneesh.kumar@...ux.ibm.com>
> Signed-off-by: Dan Williams <dan.j.williams@...el.com>


can we also expose target_node in a similar way? This allows application
to better understand the node locality of the SCM device.

-aneesh