Commit-ID:  cc08e04c3fdcaab767b8db27527002b2b4d758cb
Gitweb:     http://git.kernel.org/tip/cc08e04c3fdcaab767b8db27527002b2b4d758cb
Author:     David Rientjes <rient...@google.com>
AuthorDate: Thu, 14 Nov 2013 15:05:32 -0800
Committer:  Ingo Molnar <mi...@kernel.org>
CommitDate: Fri, 15 Nov 2013 08:38:30 +0100

x86: Export 'boot_cpu_physical_apicid' to modules

Commit 9ebddac7ea2a "ACPI, x86: Fix extended error log driver to depend on
CONFIG_X86_LOCAL_APIC" fixed a build error when CONFIG_X86_LOCAL_APIC was not
selected and !CONFIG_SMP.

However, since CONFIG_ACPI_EXTLOG is tristate, there is a second build error:

  ERROR: "boot_cpu_physical_apicid" [drivers/acpi/acpi_extlog.ko] undefined!

The symbol needs to be exported for it to be available.

Signed-off-by: David Rientjes <rient...@google.com>
Acked-by: Tony Luck <tony.l...@intel.com>
Cc: Chen Gong <gong.c...@linux.intel.com>
Cc: Rafael J. Wysocki <r...@rjwysocki.net>
Link: 
http://lkml.kernel.org/r/alpine.deb.2.02.1311141504080.30...@chino.kir.corp.google.com
[ Changed it to a _GPL() export. ]
Signed-off-by: Ingo Molnar <mi...@kernel.org>
---
 arch/x86/kernel/apic/apic.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index a7eb82d..befe498 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -62,6 +62,7 @@ unsigned disabled_cpus;
 
 /* Processor that is doing the boot up */
 unsigned int boot_cpu_physical_apicid = -1U;
+EXPORT_SYMBOL_GPL(boot_cpu_physical_apicid);
 
 /*
  * The highest APIC ID seen during enumeration.
--
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