[tip:x86/hyperv] x86, hyperv: Fix build error due to missing <asm/apic.h> include

[tip-bot for David Rientjes]

Commit-ID:  d68ce0177c1e51fb332369e0c99852a6d05668af
Gitweb:     http://git.kernel.org/tip/d68ce0177c1e51fb332369e0c99852a6d05668af
Author:     David Rientjes <rientjes@xxxxxxxxxx>
AuthorDate: Fri, 11 Oct 2013 16:07:31 -0700
Committer:  H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
CommitDate: Wed, 30 Oct 2013 15:37:47 -0700

x86, hyperv: Fix build error due to missing <asm/apic.h> include

9e7827b5ea4c ("x86, hyperv: Get the local APIC timer frequency from the
hypervisor") breaks the build with some configs because apic.h isn't
directly included:

arch/x86/kernel/cpu/mshyperv.c: In function 'ms_hyperv_init_platform':
arch/x86/kernel/cpu/mshyperv.c:90:3: error: 'lapic_timer_frequency' undeclared (first use in this function)
arch/x86/kernel/cpu/mshyperv.c:90:3: note: each undeclared identifier is reported only once for each function it appears in

Fix it by including asm/apic.h.

Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/alpine.DEB.2.02.1310111604160.31170@xxxxxxxxxxxxxxxxxxxxxxxxx
Acked-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
---
 arch/x86/kernel/cpu/mshyperv.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index 628ff50..9f6e9f8 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -25,6 +25,7 @@
 #include <asm/idle.h>
 #include <asm/irq_regs.h>
 #include <asm/i8259.h>
+#include <asm/apic.h>
 
 struct ms_hyperv_info ms_hyperv;
 EXPORT_SYMBOL_GPL(ms_hyperv);
--
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