linux-kernel - [tip:x86/hyperv] x86, hyperv: Move a variable to avoid an unused variable warning

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Date:	Wed, 6 Nov 2013 10:06:33 -0800
From:	"tip-bot for H. Peter Anvin" <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	kys@...rosoft.com, tglx@...utronix.de, hpa@...ux.intel.com
Subject: [tip:x86/hyperv] x86, hyperv:
  Move a variable to avoid an unused variable warning

Commit-ID:  4c08edd305019061bf1ac95ce089497bdbb8b8ac
Gitweb:     http://git.kernel.org/tip/4c08edd305019061bf1ac95ce089497bdbb8b8ac
Author:     H. Peter Anvin <hpa@...or.com>
AuthorDate: Wed, 6 Nov 2013 10:00:05 -0800
Committer:  H. Peter Anvin <hpa@...or.com>
CommitDate: Wed, 6 Nov 2013 10:02:05 -0800

x86, hyperv: Move a variable to avoid an unused variable warning

The variable hv_lapic_frequency causes an unused variable warning if
CONFIG_X86_LOCAL_APIC is disabled.  Since the variable is only used
inside a small if statement, move the declaration of that variable
into the if statement itself.

Cc: K. Y. Srinivasan <kys@...rosoft.com>
Link: http://lkml.kernel.org/r/1381444224-3303-1-git-send-email-kys@microsoft.com
Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
---
 arch/x86/kernel/cpu/mshyperv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index 9f6e9f8..9f7ca26 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -70,8 +70,6 @@ static struct clocksource hyperv_cs = {
 
 static void __init ms_hyperv_init_platform(void)
 {
-	u64	hv_lapic_frequency;
-
 	/*
 	 * Extract the features and hints
 	 */
@@ -86,6 +84,8 @@ static void __init ms_hyperv_init_platform(void)
 		/*
 		 * Get the APIC frequency.
 		 */
+		u64	hv_lapic_frequency;
+
 		rdmsrl(HV_X64_MSR_APIC_FREQUENCY, hv_lapic_frequency);
 		hv_lapic_frequency = div_u64(hv_lapic_frequency, HZ);
 		lapic_timer_frequency = hv_lapic_frequency;
--
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