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Subject[PATCH 6/6] x86: acpi-use-cpu_physical_id
This is from an earlier message from Christoph Lameter:

processor_core.c currently tries to determine the apicid by special casing
for IA64 and x86. The desired information is readily available via

cpu_physical_id()

on IA64, i386 and x86_64.

Signed-off-by: Christoph Lameter <clameter@sgi.com>

Signed-off-by: Mike Travis <travis@sgi.com>
---
drivers/acpi/processor_core.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)

--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -420,12 +420,6 @@ static int map_lsapic_id(struct acpi_sub
return 0;
}

-#ifdef CONFIG_IA64
-#define arch_cpu_to_apicid ia64_cpu_to_sapicid
-#else
-#define arch_cpu_to_apicid x86_cpu_to_apicid
-#endif
-
static int map_madt_entry(u32 acpi_id)
{
unsigned long madt_end, entry;
@@ -499,7 +493,7 @@ static int get_cpu_id(acpi_handle handle
return apic_id;

for (i = 0; i < NR_CPUS; ++i) {
- if (arch_cpu_to_apicid[i] == apic_id)
+ if (cpu_physical_id(i) == apic_id)
return i;
}
return -1;
--
-
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