summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/mm/numa.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/mm/numa.c')
-rw-r--r--arch/powerpc/mm/numa.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index b2937efdfd7a..d07cd08747e5 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -1355,8 +1355,11 @@ static int update_cpu_associativity_changes_mask(void)
return nr_cpus;
}
-/* 6 64-bit registers unpacked into 12 32-bit associativity values */
-#define VPHN_ASSOC_BUFSIZE (6*sizeof(u64)/sizeof(u32))
+/*
+ * 6 64-bit registers unpacked into 12 32-bit associativity values. To form
+ * the complete property we have to add the length in the first cell.
+ */
+#define VPHN_ASSOC_BUFSIZE (6*sizeof(u64)/sizeof(u32) + 1)
/*
* Convert the associativity domain numbers returned from the hypervisor
@@ -1371,7 +1374,7 @@ static int vphn_unpack_associativity(const long *packed, unsigned int *unpacked)
#define VPHN_FIELD_MSB (0x8000)
#define VPHN_FIELD_MASK (~VPHN_FIELD_MSB)
- for (i = 0; i < VPHN_ASSOC_BUFSIZE; i++) {
+ for (i = 1; i < VPHN_ASSOC_BUFSIZE; i++) {
if (*field == VPHN_FIELD_UNUSED) {
/* All significant fields processed, and remaining
* fields contain the reserved value of all 1's.
@@ -1394,6 +1397,9 @@ static int vphn_unpack_associativity(const long *packed, unsigned int *unpacked)
}
}
+ /* The first cell contains the length of the property */
+ unpacked[0] = nr_assoc_doms;
+
return nr_assoc_doms;
}