linux-kernel - Re: build issue #380 for v2.6.26-rc1-279-g28a4acb : mach-voyager: multiple definition of `phys_cpu_present

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Message-ID: <20080509093017.GI2543@hacking>
Date:	Fri, 9 May 2008 17:30:17 +0800
From:	WANG Cong <xiyou.wangcong@...il.com>
To:	toralf.foerster@....de
Cc:	James.Bottomley@...senpartnership.com, linux-kernel@...r.kernel.org
Subject: Re: build issue #380 for v2.6.26-rc1-279-g28a4acb : mach-voyager:
	multiple definition of `phys_cpu_present_map'

On Fri, May 09, 2008 at 11:13:57AM +0200, =?ISO-8859-1?Q?Toralf_F=F6rster_ wrote:
>Hello,
>
>the build (.config attached) failed, make ends with :
>...
>  AR      arch/x86/lib/lib.a
>  LD      vmlinux.o
>arch/x86/mach-voyager/built-in.o:(.bss+0x2c): multiple definition of `phys_cpu_present_map'
>arch/x86/kernel/built-in.o:(.bss+0x200): first defined here
>ld: Warning: size of symbol `phys_cpu_present_map' changed from 32 in arch/x86/kernel/built-in.o to 4 in arch/x86/mach-voyager/built-in.o
>make: *** [vmlinux.o] Error 1

Could you please try my quick patch below?

---
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index cc6f5eb..98617df 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -21,9 +21,6 @@ EXPORT_SYMBOL(boot_cpu_physical_apicid);
 DEFINE_PER_CPU(u16, x86_cpu_to_apicid) = BAD_APICID;
 EXPORT_PER_CPU_SYMBOL(x86_cpu_to_apicid);
 
-/* Bitmask of physically existing CPUs */
-physid_mask_t phys_cpu_present_map;
-
 #if defined(CONFIG_HAVE_SETUP_PER_CPU_AREA) && defined(CONFIG_SMP)
 /*
  * Copy data used in early init routines from the initial arrays to the
--
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