x86: fix IBM Summit based systems' phys_cpu_present_map on 32-bit kernels

x86 kernels on IBM Summit based systems will only online 1 CPU because the
phys_cpu_present_map is not set up correctly. Patch below applied to
2.6.26-git10.

Signed-off-by: Chris McDermott <lcm@linux.vnet.ibm.com>
Tested-by: Tim Pepper <lnxninga@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/include/asm-x86/mach-summit/mach_apic.h b/include/asm-x86/mach-summit/mach_apic.h
index 75d2c95..c47e2ab 100644 (file)
--- a/include/asm-x86/mach-summit/mach_apic.h
+++ b/include/asm-x86/mach-summit/mach_apic.h
@@ -122,7 +122,7 @@ static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_id_map)
 
 static inline physid_mask_t apicid_to_cpu_present(int apicid)
 {
-       return physid_mask_of_physid(0);
+       return physid_mask_of_physid(apicid);
 }
 
 static inline void setup_portio_remap(void)