powerpc/numa: Add length when creating OF properties via VPHN

[uclinux-h8/linux.git] / arch / powerpc / mm / numa.c

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index b2937ef..d07cd08 100644 (file)
--- 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;
 }