--- /dev/null
+From: Henrik Kretzschmar <henne@nachtwindheim.de>
+Subject: [PATCH 2/6] x86: ifdef enable_IR_x2apic() out
+Date: Mon, 14 Feb 2011 11:00:08 +0100
+Lines: 48
+Message-ID: <1297677612-12405-2-git-send-email-henne@nachtwindheim.de>
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+ yinghai@kernel.org, ak@linux.intel.com, robert.richter@amd.com,
+ linux-kernel@vger.kernel.org, henne@nachtwindheim.de
+To: mingo@readhat.com
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+
+The only caller of enable_IR_x2apic() is probe_64.c, which is only
+compiled on x86-64 bit machines.
+This function causes compilation problems on 32-bit machines with no
+io-apic enabled, so we remove it from 32s and keep the way it was on 64s.
+
+Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
+---
+ arch/x86/include/asm/apic.h | 2 ++
+ arch/x86/kernel/apic/apic.c | 2 +-
+ 2 files changed, 3 insertions(+), 1 deletions(-)
+
+diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
+index b8a3484..b1d77e1 100644
+--- a/arch/x86/include/asm/apic.h
++++ b/arch/x86/include/asm/apic.h
+@@ -216,7 +216,9 @@ static inline void x2apic_force_phys(void)
+ #define x2apic_supported() 0
+ #endif
+
++#ifdef CONFIG_X86_64
+ extern void enable_IR_x2apic(void);
++#endif
+
+ extern int get_physical_broadcast(void);
+
+diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
+index 306386f..27a7497 100644
+--- a/arch/x86/kernel/apic/apic.c
++++ b/arch/x86/kernel/apic/apic.c
+@@ -1467,6 +1467,7 @@ int __init enable_IR(void)
+ return 0;
+ }
+
++#ifdef CONFIG_X86_64
+ void __init enable_IR_x2apic(void)
+ {
+ unsigned long flags;
+@@ -1540,7 +1541,6 @@ out:
+ pr_info("Not enabling x2apic, Intr-remapping init failed.\n");
+ }
+
+-#ifdef CONFIG_X86_64
+ /*
+ * Detect and enable local APICs on non-SMP boards.
+ * Original code written by Keir Fraser.
+--
+1.7.2.3
+
+
+