linux-kernel - [PATCH 2/5] x86/common.c: fix build warning when !CONFIG_IA32

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Date:	Thu, 2 Oct 2014 00:08:59 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>
Cc:	x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/5] x86/common.c: fix build warning when
 !CONFIG_IA32_EMULATION

Function syscall32_cpu_init() is used only when CONFIG_IA32_EMULATION is
defined.

arch/x86/kernel/cpu/common.c:968:13: warning: 'syscall32_cpu_init' defined but not used [-Wunused-function]

Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 arch/x86/kernel/cpu/common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index e4ab2b42bd6f..b7ac5404cacf 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -964,6 +964,7 @@ static void vgetcpu_set_mode(void)
 		vgetcpu_mode = VGETCPU_LSL;
 }
 
+#ifdef CONFIG_IA32_EMULATION
 /* May not be __init: called during resume */
 static void syscall32_cpu_init(void)
 {
@@ -976,6 +977,7 @@ static void syscall32_cpu_init(void)
 	wrmsrl(MSR_CSTAR, ia32_cstar_target);
 }
 #endif
+#endif
 
 #ifdef CONFIG_X86_32
 void enable_sep_cpu(void)
-- 
2.1.0
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