From: Michael Ellerman <mpe@ellerman.id.au>
To: Dan Williams <dan.j.williams@intel.com>, linux-nvdimm@lists.01.org
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Oliver O'Halloran <oohall@gmail.com>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
peterz@infradead.org, vishal.l.verma@intel.com,
dave.hansen@linux.intel.com, hch@lst.de,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-acpi@vger.kernel.org
Subject: Re: [PATCH v2 16/18] powerpc/papr_scm: Switch to numa_map_to_online_node()
Date: Wed, 20 Nov 2019 21:30:31 +1100 [thread overview]
Message-ID: <87lfsac01k.fsf@mpe.ellerman.id.au> (raw)
In-Reply-To: <157401276263.43284.12616818803654229788.stgit@dwillia2-desk3.amr.corp.intel.com>
Dan Williams <dan.j.williams@intel.com> writes:
> Now that the core exports numa_map_to_online_node() switch to that
> instead of the locally coded duplicate.
>
> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> Cc: Paul Mackerras <paulus@samba.org>
> Cc: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
cheers
> Cc: "Oliver O'Halloran" <oohall@gmail.com>
> Reported-by: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
> ---
> arch/powerpc/platforms/pseries/papr_scm.c | 21 +--------------------
> 1 file changed, 1 insertion(+), 20 deletions(-)
>
> diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c
> index 33aa59e666e5..ef81515f3b6a 100644
> --- a/arch/powerpc/platforms/pseries/papr_scm.c
> +++ b/arch/powerpc/platforms/pseries/papr_scm.c
> @@ -284,25 +284,6 @@ int papr_scm_ndctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
> return 0;
> }
>
> -static inline int papr_scm_node(int node)
> -{
> - int min_dist = INT_MAX, dist;
> - int nid, min_node;
> -
> - if ((node == NUMA_NO_NODE) || node_online(node))
> - return node;
> -
> - min_node = first_online_node;
> - for_each_online_node(nid) {
> - dist = node_distance(node, nid);
> - if (dist < min_dist) {
> - min_dist = dist;
> - min_node = nid;
> - }
> - }
> - return min_node;
> -}
> -
> static int papr_scm_nvdimm_init(struct papr_scm_priv *p)
> {
> struct device *dev = &p->pdev->dev;
> @@ -347,7 +328,7 @@ static int papr_scm_nvdimm_init(struct papr_scm_priv *p)
>
> memset(&ndr_desc, 0, sizeof(ndr_desc));
> target_nid = dev_to_node(&p->pdev->dev);
> - online_nid = papr_scm_node(target_nid);
> + online_nid = numa_map_to_online_node(target_nid);
> ndr_desc.numa_node = online_nid;
> ndr_desc.target_node = target_nid;
> ndr_desc.res = &p->res;
next prev parent reply other threads:[~2019-11-20 10:30 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-17 17:44 [PATCH v2 00/18] Memory Hierarchy: Enable target node lookups for reserved memory Dan Williams
2019-11-17 17:44 ` [PATCH v2 01/18] libnvdimm: Move attribute groups to device type Dan Williams
2019-11-17 17:44 ` [PATCH v2 02/18] libnvdimm: Move region attribute group definition Dan Williams
2019-11-17 17:44 ` [PATCH v2 03/18] libnvdimm: Move nd_device_attribute_group to device_type Dan Williams
2019-11-17 17:44 ` [PATCH v2 04/18] libnvdimm: Move nd_numa_attribute_group " Dan Williams
2019-11-18 9:46 ` Aneesh Kumar K.V
2019-11-17 17:45 ` [PATCH v2 05/18] libnvdimm: Move nd_region_attribute_group " Dan Williams
2019-11-17 17:45 ` [PATCH v2 06/18] libnvdimm: Move nd_mapping_attribute_group " Dan Williams
2019-11-17 17:45 ` [PATCH v2 07/18] libnvdimm: Move nvdimm_attribute_group " Dan Williams
2019-11-17 17:45 ` [PATCH v2 08/18] libnvdimm: Move nvdimm_bus_attribute_group " Dan Williams
2019-11-17 17:45 ` [PATCH v2 09/18] dax: Create a dax device_type Dan Williams
2019-11-17 17:45 ` [PATCH v2 10/18] dax: Simplify root read-only definition for the 'resource' attribute Dan Williams
2019-11-17 17:45 ` [PATCH v2 11/18] libnvdimm: " Dan Williams
2019-11-17 17:45 ` [PATCH v2 12/18] dax: Add numa_node to the default device-dax attributes Dan Williams
2019-11-17 17:45 ` [PATCH v2 13/18] libnvdimm: Export the target_node attribute for regions and namespaces Dan Williams
2019-11-18 9:45 ` Aneesh Kumar K.V
2019-11-17 17:45 ` [PATCH v2 14/18] acpi/numa: Up-level "map to online node" functionality Dan Williams
2019-11-29 11:56 ` Rafael J. Wysocki
2019-11-17 17:45 ` [PATCH v2 15/18] mm/numa: Skip NUMA_NO_NODE and online nodes in numa_map_to_online_node() Dan Williams
2019-11-18 9:45 ` Aneesh Kumar K.V
2019-11-17 17:46 ` [PATCH v2 16/18] powerpc/papr_scm: Switch to numa_map_to_online_node() Dan Williams
2019-11-18 9:46 ` Aneesh Kumar K.V
2019-11-20 10:30 ` Michael Ellerman [this message]
2019-11-17 17:46 ` [PATCH v2 17/18] x86/numa: Provide a range-to-target_node lookup facility Dan Williams
2019-11-18 18:45 ` Dan Williams
2019-11-17 17:46 ` [PATCH v2 18/18] libnvdimm/e820: Retrieve and populate correct 'target_node' info Dan Williams
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