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authorDavid S. Miller <davem@davemloft.net>2009-04-01 12:13:15 +0200
committerDavid S. Miller <davem@davemloft.net>2009-06-16 13:56:19 +0200
commit890db403d59fbeaf273ed019d0b1862223d80a9a (patch)
tree361b01ee0f84227bfb84e4390ef94432b5a36aca /arch/sparc
parentsparc64: Refactor MDESC cpu scanning code using an iterator. (diff)
downloadlinux-890db403d59fbeaf273ed019d0b1862223d80a9a.tar.xz
linux-890db403d59fbeaf273ed019d0b1862223d80a9a.zip
sparc: Call OF and MD cpu scanning explicitly from paging_init()
We need to split up the cpu present mask setup from the cpu_data initialization, and this is a first step towards that. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/include/asm/prom.h1
-rw-r--r--arch/sparc/kernel/mdesc.c4
-rw-r--r--arch/sparc/kernel/prom.h1
-rw-r--r--arch/sparc/kernel/prom_common.c2
-rw-r--r--arch/sparc/mm/init_32.c1
-rw-r--r--arch/sparc/mm/init_64.c5
6 files changed, 6 insertions, 8 deletions
diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h
index 1b15212563cd..be8d7aaeb60d 100644
--- a/arch/sparc/include/asm/prom.h
+++ b/arch/sparc/include/asm/prom.h
@@ -87,6 +87,7 @@ extern int of_node_to_nid(struct device_node *dp);
extern void prom_build_devicetree(void);
extern void of_populate_present_mask(void);
+extern void of_fill_in_cpu_data(void);
/* Dummy ref counting routines - to be implemented later */
static inline struct device_node *of_node_get(struct device_node *node)
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c
index f50af3f9a2c9..602cbb70dd51 100644
--- a/arch/sparc/kernel/mdesc.c
+++ b/arch/sparc/kernel/mdesc.c
@@ -919,7 +919,6 @@ void __init sun4v_mdesc_init(void)
{
struct mdesc_handle *hp;
unsigned long len, real_len, status;
- cpumask_t mask;
(void) sun4v_mach_desc(0UL, 0UL, &len);
@@ -943,7 +942,4 @@ void __init sun4v_mdesc_init(void)
cur_mdesc = hp;
report_platform_properties();
-
- cpus_setall(mask);
- mdesc_fill_in_cpu_data(mask);
}
diff --git a/arch/sparc/kernel/prom.h b/arch/sparc/kernel/prom.h
index bb0f0fda6cab..453397fe5e14 100644
--- a/arch/sparc/kernel/prom.h
+++ b/arch/sparc/kernel/prom.h
@@ -22,7 +22,6 @@ static inline int is_root_node(const struct device_node *dp)
extern char *build_path_component(struct device_node *dp);
extern void of_console_init(void);
-extern void of_fill_in_cpu_data(void);
extern unsigned int prom_early_allocated;
diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c
index ff7b591c8946..0fb5789d43c8 100644
--- a/arch/sparc/kernel/prom_common.c
+++ b/arch/sparc/kernel/prom_common.c
@@ -313,6 +313,4 @@ void __init prom_build_devicetree(void)
printk("PROM: Built device tree with %u bytes of memory.\n",
prom_early_allocated);
-
- of_fill_in_cpu_data();
}
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index cbb282dab5a7..26bb3919ff1f 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -358,6 +358,7 @@ void __init paging_init(void)
protection_map[15] = PAGE_SHARED;
btfixup();
prom_build_devicetree();
+ of_fill_in_cpu_data();
device_scan();
}
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index f26a352c08a0..c589d6e65668 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -1806,9 +1806,12 @@ void __init paging_init(void)
real_setup_per_cpu_areas();
prom_build_devicetree();
+ of_fill_in_cpu_data();
- if (tlb_type == hypervisor)
+ if (tlb_type == hypervisor) {
sun4v_mdesc_init();
+ mdesc_fill_in_cpu_data(CPU_MASK_ALL);
+ }
/* Once the OF device tree and MDESC have been setup, we know
* the list of possible cpus. Therefore we can allocate the