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Message-ID: <158188325830.894464.9454884523846454529.stgit@dwillia2-desk3.amr.corp.intel.com>
Date: Sun, 16 Feb 2020 12:00:58 -0800
From: Dan Williams <dan.j.williams@...el.com>
To: linux-nvdimm@...ts.01.org
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Oliver O'Halloran <oohall@...il.com>,
Michael Ellerman <mpe@...erman.id.au>,
"Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
"Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
Ingo Molnar <mingo@...nel.org>, peterz@...radead.org,
vishal.l.verma@...el.com, dave.hansen@...ux.intel.com, hch@....de,
linux-kernel@...r.kernel.org, x86@...nel.org
Subject: [PATCH v5 3/6] powerpc/papr_scm: Switch to numa_map_to_online_node()
Now that the core exports numa_map_to_online_node() switch to that
instead of the locally coded duplicate.
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: "Oliver O'Halloran" <oohall@...il.com>
Acked-by: Michael Ellerman <mpe@...erman.id.au>
Reported-by: "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@...ux.ibm.com>
Link: https://lore.kernel.org/r/157401276263.43284.12616818803654229788.stgit@dwillia2-desk3.amr.corp.intel.com
Reviewed-by: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Dan Williams <dan.j.williams@...el.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 0b4467e378e5..3cc66224ec1f 100644
--- a/arch/powerpc/platforms/pseries/papr_scm.c
+++ b/arch/powerpc/platforms/pseries/papr_scm.c
@@ -285,25 +285,6 @@ 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;
@@ -349,7 +330,7 @@ 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;
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