[PATCH 9/12]: sparc64: Defer cpu_data() setup until end of per-cpudata initialization.

From: David Miller
Date: Thu Apr 09 2009 - 01:41:54 EST



Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
---
arch/sparc/kernel/ds.c | 1 +
arch/sparc/kernel/mdesc.c | 1 -
arch/sparc/kernel/prom_64.c | 1 -
arch/sparc/kernel/smp_64.c | 4 ++++
arch/sparc/mm/init_64.c | 12 ++++--------
5 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c
index 51b05c4..4a700f4 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 6d2015e..938da19 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 04b518d..f65d623 100644
--- a/arch/sparc/kernel/prom_64.c
+++ b/arch/sparc/kernel/prom_64.c
@@ -537,7 +537,6 @@ 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, NULL);

smp_fill_in_sib_core_maps();
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 022e5e0..73f5538 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 87fea94..785f0a2 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.
--
1.6.2.2

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