linux-kernel - Re: Build Failure with 2.6.24-rc1

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Date:	Wed, 24 Oct 2007 12:30:12 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Chris Holvenstot <cholvenstot@...cast.net>
Cc:	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: Build Failure with 2.6.24-rc1


* Chris Holvenstot <cholvenstot@...cast.net> wrote:

> When attempting to build the 2.6.24-rc1 kernel:
> 
> arch/x86/kernel/built-in.o: In function `smp_send_nmi_allbutself':
> /build/linux/arch/x86/kernel/crash.c:85: undefined reference to
> `genapic'
> make: *** [.tmp_vmlinux1] Error 1

the patch below should fix this.

	Ingo

------------------>
Subject: x86: fix CONFIG_KEXEC build breakage
From: Mike Galbraith <efault@....de>

X86_32 build fix to commit 62a31a03b3d2a9d20e7a073e2cd9b27bfb7d6a3f

Signed-off-by: Mike Galbraith <efault@....de>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 arch/x86/kernel/crash.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Index: linux-x86.q/arch/x86/kernel/crash.c
===================================================================
--- linux-x86.q.orig/arch/x86/kernel/crash.c
+++ linux-x86.q/arch/x86/kernel/crash.c
@@ -25,7 +25,7 @@
 #include <linux/kdebug.h>
 #include <asm/smp.h>
 
-#ifdef X86_32
+#ifdef CONFIG_X86_32
 #include <mach_ipi.h>
 #else
 #include <asm/mach_apic.h>
@@ -41,7 +41,7 @@ static int crash_nmi_callback(struct not
 			unsigned long val, void *data)
 {
 	struct pt_regs *regs;
-#ifdef X86_32
+#ifdef CONFIG_X86_32
 	struct pt_regs fixed_regs;
 #endif
 	int cpu;
@@ -60,7 +60,7 @@ static int crash_nmi_callback(struct not
 		return NOTIFY_STOP;
 	local_irq_disable();
 
-#ifdef X86_32
+#ifdef CONFIG_X86_32
 	if (!user_mode_vm(regs)) {
 		crash_fixup_ss_esp(&fixed_regs, regs);
 		regs = &fixed_regs;
-
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