* Glauber de Oliveira Costa <[EMAIL PROTECTED]> wrote:
> > I'm getting link errors in 32-bit:
> >
> > arch/x86/kernel/built-in.o: In function `native_smp_send_reschedule':
> > /home/jeremy/hg/xen/paravirt/linux/arch/x86/kernel/smpcommon.c:262:
> > undefined reference to `genapic'
> > arch/x86/kernel/built-in.o: In function `native_smp_call_function_mask':
> > /home/jeremy/hg/xen/paravirt/linux/arch/x86/kernel/smpcommon.c:113:
> > undefined reference to `genapic'
> >
> Ok, it compiled just fine here. I bet it's due to one of that i386 lots
> of variants.
this patch is causing build failures all around the place. It does not
build on CONFIG_X86_SUMMIT, it does not build if CONFIG_X86_GENERICARCH
is turned off, etc. It does not even build on UP - fix for that is
attached below. I've dropped this patch for now.
Ingo
-------------->
Subject: x86: fix build error
From: Ingo Molnar <[EMAIL PROTECTED]>
fix build error on !CONFIG_SMP.
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
include/asm-x86/smp.h | 2 ++
1 file changed, 2 insertions(+)
Index: linux/include/asm-x86/smp.h
===================================================================
--- linux.orig/include/asm-x86/smp.h
+++ linux/include/asm-x86/smp.h
@@ -2,6 +2,7 @@
#define _X86_SMP_H_
#ifndef __ASSEMBLY__
+#ifdef CONFIG_SMP
struct smp_ops
{
void (*smp_prepare_boot_cpu)(void);
@@ -55,6 +56,7 @@ void native_smp_prepare_boot_cpu(void);
void native_smp_prepare_cpus(unsigned int max_cpus);
int native_cpu_up(unsigned int cpunum);
void native_smp_cpus_done(unsigned int max_cpus);
+#endif
#ifndef CONFIG_PARAVIRT
#define startup_ipi_hook(phys_apicid, start_eip, start_esp) \
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