linux-kernel - [tip:x86/apic] x86/apic: Kill useless variable x2apic_enabled in function enable_IR

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Message-ID: <tip-7f530a2771fe7ea6a068340c9e22f814edfcc3c4@git.kernel.org>
Date:	Thu, 15 Jan 2015 04:59:56 -0800
From:	tip-bot for Jiang Liu <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	benh@...nel.crashing.org, tony.luck@...el.com, hpa@...ux.intel.com,
	JBeulich@...e.com, yinghai@...nel.org, bp@...en8.de,
	oren@...lemp.com, jiang.liu@...ux.intel.com, hpa@...or.com,
	joro@...tes.org, richard@....at, linux-kernel@...r.kernel.org,
	tglx@...utronix.de, rientjes@...gle.com, mingo@...nel.org,
	d.hatayama@...fujitsu.com
Subject: [tip:x86/apic] x86/apic:
  Kill useless variable x2apic_enabled in function enable_IR_x2apic()

Commit-ID:  7f530a2771fe7ea6a068340c9e22f814edfcc3c4
Gitweb:     http://git.kernel.org/tip/7f530a2771fe7ea6a068340c9e22f814edfcc3c4
Author:     Jiang Liu <jiang.liu@...ux.intel.com>
AuthorDate: Wed, 7 Jan 2015 15:31:32 +0800
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Thu, 15 Jan 2015 11:24:22 +0100

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>
Cc: Tony Luck <tony.luck@...el.com>
Cc: iommu@...ts.linux-foundation.org
Cc: H. Peter Anvin <hpa@...ux.intel.com>
Cc: Joerg Roedel <joro@...tes.org>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Yinghai Lu <yinghai@...nel.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: David Rientjes <rientjes@...gle.com>
Cc: HATAYAMA Daisuke <d.hatayama@...fujitsu.com>
Cc: Jan Beulich <JBeulich@...e.com>
Cc: Richard Weinberger <richard@....at>
Cc: Oren Twaig <oren@...lemp.com>
Link: http://lkml.kernel.org/r/1420615903-28253-6-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 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 5446733..2dbd3a0 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1595,7 +1595,7 @@ 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)) {
@@ -1653,8 +1653,6 @@ void __init enable_IR_x2apic(void)
 		goto skip_x2apic;
 	}
 
-	x2apic_enabled = 1;
-
 	if (x2apic_supported() && !x2apic_mode) {
 		x2apic_mode = 1;
 		enable_x2apic();
--
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