diff mbox series

[5.4,076/214] s390/numa: set node distance to LOCAL_DISTANCE

Message ID 20200901150956.617148721@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH Sept. 1, 2020, 3:09 p.m. UTC
[ Upstream commit 535e4fc623fab2e09a0653fc3a3e17f382ad0251 ]

The node distance is hardcoded to 0, which causes a trouble
for some user-level applications. In particular, "libnuma"
expects the distance of a node to itself as LOCAL_DISTANCE.
This update removes the offending node distance override.

Cc: <stable@vger.kernel.org> # 4.4
Fixes: 3a368f742da1 ("s390/numa: add core infrastructure")
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/s390/include/asm/numa.h     | 1 -
 arch/s390/include/asm/topology.h | 2 --
 arch/s390/numa/numa.c            | 6 ------
 3 files changed, 9 deletions(-)
diff mbox series

Patch

diff --git a/arch/s390/include/asm/numa.h b/arch/s390/include/asm/numa.h
index 35f8cbe7e5bb0..c759dcffa9eaf 100644
--- a/arch/s390/include/asm/numa.h
+++ b/arch/s390/include/asm/numa.h
@@ -17,7 +17,6 @@ 
 
 void numa_setup(void);
 int numa_pfn_to_nid(unsigned long pfn);
-int __node_distance(int a, int b);
 void numa_update_cpu_topology(void);
 
 extern cpumask_t node_to_cpumask_map[MAX_NUMNODES];
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index cca406fdbe51f..ef9dd253dfad0 100644
--- a/arch/s390/include/asm/topology.h
+++ b/arch/s390/include/asm/topology.h
@@ -83,8 +83,6 @@  static inline const struct cpumask *cpumask_of_node(int node)
 
 #define pcibus_to_node(bus) __pcibus_to_node(bus)
 
-#define node_distance(a, b) __node_distance(a, b)
-
 #else /* !CONFIG_NUMA */
 
 #define numa_node_id numa_node_id
diff --git a/arch/s390/numa/numa.c b/arch/s390/numa/numa.c
index d2910fa834c8a..8386c58fdb3a0 100644
--- a/arch/s390/numa/numa.c
+++ b/arch/s390/numa/numa.c
@@ -49,12 +49,6 @@  void numa_update_cpu_topology(void)
 		mode->update_cpu_topology();
 }
 
-int __node_distance(int a, int b)
-{
-	return mode->distance ? mode->distance(a, b) : 0;
-}
-EXPORT_SYMBOL(__node_distance);
-
 int numa_debug_enabled;
 
 /*