linux-kernel - [Patch v1 06/17] x86/apic: Kill useless variable x2apic_enabled in function enable_IR

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Message-Id: <1418790948-22804-7-git-send-email-jiang.liu@linux.intel.com>
Date:	Wed, 17 Dec 2014 12:35:37 +0800
From:	Jiang Liu <jiang.liu@...ux.intel.com>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Joerg Roedel <joro@...tes.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, Yinghai Lu <yinghai@...nel.org>,
	Borislav Petkov <bp@...en8.de>, x86@...nel.org,
	Jiang Liu <jiang.liu@...ux.intel.com>,
	David Rientjes <rientjes@...gle.com>,
	HATAYAMA Daisuke <d.hatayama@...fujitsu.com>,
	Richard Weinberger <richard@....at>,
	Oren Twaig <oren@...lemp.com>
Cc:	Tony Luck <tony.luck@...el.com>, linux-kernel@...r.kernel.org,
	iommu@...ts.linux-foundation.org,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Ingo Molnar <mingo@...nel.org>
Subject: [Patch v1 06/17] x86/apic: Kill useless variable x2apic_enabled in function enable_IR_x2apic()

Local variable x2apic_enabled has been assigned to but never referred,
so kill it.

Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
---
 arch/x86/kernel/apic/apic.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 9c43899433e3..4a65e1aced33 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1594,7 +1594,7 @@ int __init enable_IR(void)
 void __init enable_IR_x2apic(void)
 {
 	unsigned long flags;
-	int ret, x2apic_enabled = 0;
+	int ret;
 	int hardware_init_ret;
 
 	if (!IS_ENABLED(CONFIG_X86_X2APIC)) {
@@ -1652,8 +1652,6 @@ void __init enable_IR_x2apic(void)
 		goto skip_x2apic;
 	}
 
-	x2apic_enabled = 1;
-
 	if (x2apic_supported() && !x2apic_mode) {
 		x2apic_mode = 1;
 		enable_x2apic();
-- 
1.7.10.4

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