[Xen-devel] [PATCH 01/15] xen: arm: define node_online_map.

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

For now just initialise it as a single online node, which is what
asm-arm/numa.h assumes anyway.

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 xen/arch/arm/dummy.S       |    1 -
 xen/arch/arm/smpboot.c     |    3 +++
 xen/include/asm-arm/numa.h |    2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/xen/arch/arm/dummy.S b/xen/arch/arm/dummy.S
index 022338a..4abb30a 100644
--- a/xen/arch/arm/dummy.S
+++ b/xen/arch/arm/dummy.S
@@ -7,7 +7,6 @@ x:      .word 0xe7f000f0 /* Undefined instruction */
 x:     mov pc, lr
        
 /* SMP support */
-DUMMY(node_online_map);
 DUMMY(smp_send_state_dump);
 
 /* PIRQ support */
diff --git a/xen/arch/arm/smpboot.c b/xen/arch/arm/smpboot.c
index 6555ac6..351b559 100644
--- a/xen/arch/arm/smpboot.c
+++ b/xen/arch/arm/smpboot.c
@@ -38,6 +38,9 @@ EXPORT_SYMBOL(cpu_online_map);
 cpumask_t cpu_possible_map;
 EXPORT_SYMBOL(cpu_possible_map);
 
+/* Fake one node for now. See also include/asm-arm/numa.h */
+nodemask_t __read_mostly node_online_map = { { [0] = 1UL } };
+
 /* Xen stack for bringing up the first CPU. */
 static unsigned char __initdata cpu0_boot_stack[STACK_SIZE]
        __attribute__((__aligned__(STACK_SIZE)));
diff --git a/xen/include/asm-arm/numa.h b/xen/include/asm-arm/numa.h
index 1b060e6..a1b1f58 100644
--- a/xen/include/asm-arm/numa.h
+++ b/xen/include/asm-arm/numa.h
@@ -1,7 +1,7 @@
 #ifndef __ARCH_ARM_NUMA_H
 #define __ARCH_ARM_NUMA_H
 
-/* Fake one node for now... */
+/* Fake one node for now. See also node_online_map. */
 #define cpu_to_node(cpu) 0
 #define node_to_cpumask(node)   (cpu_online_map)
 
-- 
1.7.9.1


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