sparc64: Defer cpu_data() setup until end of per-cpu data initialization.

Signed-off-by: David S. Miller <davem@davemloft.net>

5 files changed, 9 insertions, 10 deletions

diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c
index 51b05c498877..4a700f4b79ce 100644
--- a/arch/sparc/kernel/ds.c
+++ b/arch/sparc/kernel/ds.c
@@ -544,6 +544,7 @@ static int __cpuinit dr_cpu_configure(struct ds_info *dp,
                              resp_len, ncpus, mask,
                              DR_CPU_STAT_CONFIGURED);
 
+        mdesc_populate_present_mask(mask);
         mdesc_fill_in_cpu_data(mask);
 
         for_each_cpu_mask(cpu, *mask) {
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c
index 6d2015e0e574..938da19dc065 100644
--- a/arch/sparc/kernel/mdesc.c
+++ b/arch/sparc/kernel/mdesc.c
@@ -861,7 +861,6 @@ void __cpuinit mdesc_fill_in_cpu_data(cpumask_t *mask)
 {
         struct mdesc_handle *hp;
 
-        mdesc_populate_present_mask(mask);
         mdesc_iterate_over_cpus(fill_in_one_cpu, NULL, mask);
 
 #ifdef CONFIG_SMP
diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c
index 4d92f488fae1..fb06ac2bd38f 100644
--- a/arch/sparc/kernel/prom_64.c
+++ b/arch/sparc/kernel/prom_64.c
@@ -535,7 +535,6 @@ void __init of_fill_in_cpu_data(void)
         if (tlb_type == hypervisor)
                 return;
 
-        of_populate_present_mask();
         of_iterate_over_cpus(fill_in_one_cpu, 0);
 
         smp_fill_in_sib_core_maps();
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index b20f253857b7..045fbb554a9c 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -1399,4 +1399,8 @@ void __init real_setup_per_cpu_areas(void)
 
         /* Setup %g5 for the boot cpu.  */
         __local_per_cpu_offset = __per_cpu_offset(smp_processor_id());
+
+        of_fill_in_cpu_data();
+        if (tlb_type == hypervisor)
+                mdesc_fill_in_cpu_data(CPU_MASK_ALL_PTR);
 }
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 87fea94e5125..785f0a24fcbf 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -1799,20 +1799,16 @@ void __init paging_init(void)
         if (tlb_type == hypervisor)
                 sun4v_ktsb_register();
 
-        /* We must setup the per-cpu areas before we pull in the
-         * PROM and the MDESC.  The code there fills in cpu and
-         * other information into per-cpu data structures.
-         */
-        real_setup_per_cpu_areas();
-
         prom_build_devicetree();
-        of_fill_in_cpu_data();
+        of_populate_present_mask();
 
         if (tlb_type == hypervisor) {
                 sun4v_mdesc_init();
-                mdesc_fill_in_cpu_data(CPU_MASK_ALL_PTR);
+                mdesc_populate_present_mask(CPU_MASK_ALL_PTR);
         }
 
+        real_setup_per_cpu_areas();
+
         /* Once the OF device tree and MDESC have been setup, we know
          * the list of possible cpus.  Therefore we can allocate the
          * IRQ stacks.