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[Xen-devel] [RFC PATCH v3 10/24] NUMA: Allow numa initialization with DT



From: Vijaya Kumar K <Vijaya.Kumar@xxxxxxxxxx>

The common code allows numa initialization only when
ACPI_NUMA config is enabled. Allow initialization when
NUMA config is enabled for DT.

In this patch, along with acpi_numa, check for acpi_disabled
is added.

Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@xxxxxxxxxx>
---
 xen/common/numa.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/xen/common/numa.c b/xen/common/numa.c
index 74c4697..5e985d2 100644
--- a/xen/common/numa.c
+++ b/xen/common/numa.c
@@ -324,7 +324,7 @@ static int __init numa_scan_nodes(paddr_t start, paddr_t 
end)
     for ( i = 0; i < MAX_NUMNODES; i++ )
         cutoff_node(i, start, end);
 
-    if ( acpi_numa <= 0 )
+    if ( !acpi_disabled && acpi_numa <= 0 )
         return -1;
 
     if ( !arch_sanitize_nodes_memory() )
@@ -430,11 +430,9 @@ void __init numa_initmem_init(unsigned long start_pfn, 
unsigned long end_pfn)
         return;
 #endif
 
-#ifdef CONFIG_ACPI_NUMA
     if ( !numa_off &&
          !numa_scan_nodes(pfn_to_paddr(start_pfn), pfn_to_paddr(end_pfn)) )
         return;
-#endif
 
     printk(KERN_INFO "%s\n",
            numa_off ? "NUMA turned off" : "No NUMA configuration found");
-- 
2.7.4


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