[SPARC64]: Call real_setup_per_cpu_areas() earlier and use lmb_alloc().
We have to do it like this before we can move the PROM and MDESC device
tree code over to using lmb_alloc().
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 59f020d..524b889 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -20,7 +20,7 @@
#include <linux/cache.h>
#include <linux/jiffies.h>
#include <linux/profile.h>
-#include <linux/bootmem.h>
+#include <linux/lmb.h>
#include <asm/head.h>
#include <asm/ptrace.h>
@@ -1431,7 +1431,7 @@
void __init real_setup_per_cpu_areas(void)
{
- unsigned long goal, size, i;
+ unsigned long paddr, goal, size, i;
char *ptr;
/* Copy section for each CPU (we discard the original) */
@@ -1441,8 +1441,13 @@
for (size = PAGE_SIZE; size < goal; size <<= 1UL)
__per_cpu_shift++;
- ptr = alloc_bootmem_pages(size * NR_CPUS);
+ paddr = lmb_alloc(size * NR_CPUS, PAGE_SIZE);
+ if (!paddr) {
+ prom_printf("Cannot allocate per-cpu memory.\n");
+ prom_halt();
+ }
+ ptr = __va(paddr);
__per_cpu_base = ptr - __per_cpu_start;
for (i = 0; i < NR_CPUS; i++, ptr += size)
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index 90e644a..658ec46 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -1208,6 +1208,12 @@
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();
+
/* Setup bootmem... */
pages_avail = 0;
last_valid_pfn = end_pfn = bootmem_init(&pages_avail, phys_base);
@@ -1216,8 +1222,6 @@
kernel_physical_mapping_init();
- real_setup_per_cpu_areas();
-
prom_build_devicetree();
if (tlb_type == hypervisor)