[PATCH v5 07/14] x86, acpi, numa: cleanup acpi_numa_processor_affinity_init()

David Daney
2016-04-20T01:43:41Z

From: Hanjun Guo <hanjun.guo@linaro.org>

Cleanup acpi_numa_processor_affinity_init() in preparation for its
move to drivers/acpi/numa.c. It will be reused by arm64, this has no
functional change.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Robert Richter <rrichter@cavium.com>
Signed-off-by: David Daney <david.daney@cavium.com>
---
arch/x86/mm/srat.c | 21 +++++----------------
1 file changed, 5 insertions(+), 16 deletions(-)

diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
index f242a11..9e2a833 100644
--- a/arch/x86/mm/srat.c
+++ b/arch/x86/mm/srat.c
@@ -26,11 +26,6 @@

int acpi_numa __initdata;

-static __init int setup_node(int pxm)
-{
- return acpi_map_pxm_to_node(pxm);
-}
-
static __init void bad_srat(void)
{
printk(KERN_ERR "SRAT: SRAT not used.\n");
@@ -64,7 +59,7 @@ acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa)
pxm, apic_id);
return;
}
- node = setup_node(pxm);
+ node = acpi_map_pxm_to_node(pxm);
if (node < 0) {
printk(KERN_ERR "SRAT: Too many proximity domains %x\n", pxm);
bad_srat();
@@ -100,7 +95,7 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
pxm = pa->proximity_domain_lo;
if (acpi_srat_revision >= 2)
pxm |= *((unsigned int*)pa->proximity_domain_hi) << 8;
- node = setup_node(pxm);
+ node = acpi_map_pxm_to_node(pxm);
if (node < 0) {
printk(KERN_ERR "SRAT: Too many proximity domains %x\n", pxm);
bad_srat();
@@ -124,12 +119,6 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
pxm, apic_id, node);
}

-#ifdef CONFIG_MEMORY_HOTPLUG
-static inline int save_add_info(void) {return 1;}
-#else
-static inline int save_add_info(void) {return 0;}
-#endif
-
/* Callback for parsing of the Proximity Domain <-> Memory Area mappings */
int __init
acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
@@ -145,7 +134,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
if ((ma->flags & ACPI_SRAT_MEM_ENABLED) == 0)
goto out_err;
hotpluggable = ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE;
- if (hotpluggable && !save_add_info())
+ if (hotpluggable && !IS_ENABLED(CONFIG_MEMORY_HOTPLUG))
goto out_err;

start = ma->base_address;
@@ -154,7 +143,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
if (acpi_srat_revision <= 1)
pxm &= 0xff;

- node = setup_node(pxm);
+ node = acpi_map_pxm_to_node(pxm);
if (node < 0) {
printk(KERN_ERR "SRAT: Too many proximity domains.\n");
goto out_err_bad_srat;
@@ -182,7 +171,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
out_err_bad_srat:
bad_srat();
out_err:
- return -1;
+ return -EINVAL;
}

int __init x86_acpi_numa_init(void)
--
1.7.11.7