linux-kernel - [PATCH] x86/devicetree: Fix build for amd64

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Date:	Mon,  2 Feb 2015 16:50:30 +0100
From:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	Jiang Liu <jiang.liu@...ux.intel.com>,
	David Vrabel <david.vrabel@...rix.com>,
	Rob Herring <robh@...nel.org>, linux-kernel@...r.kernel.org
Cc:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
Subject: [PATCH] x86/devicetree: Fix build for amd64

apic_force_enable is not defined for amd64.

Without this patch:

LD      init/built-in.o
arch/x86/built-in.o: In function `dtb_lapic_setup':
kernel/devicetree.c:155:
undefined reference to `apic_force_enable'
Makefile:923: recipe for target 'vmlinux' failed
make: *** [vmlinux] Error 1

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
---
 arch/x86/kernel/devicetree.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c
index 3d35033..b5560de 100644
--- a/arch/x86/kernel/devicetree.c
+++ b/arch/x86/kernel/devicetree.c
@@ -152,7 +152,9 @@ static void __init dtb_lapic_setup(void)
 
 	/* Did the boot loader setup the local APIC ? */
 	if (!cpu_has_apic) {
+#ifndef CONFIG_X86_64
 		if (apic_force_enable(r.start))
+#endif
 			return;
 	}
 	smp_found_config = 1;
-- 
2.1.4

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