linux-kernel - [PATCH 7/7] x86, asmlinkage, xen: Fix type of nmi

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Date:	Tue, 22 Oct 2013 09:07:59 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	x86@...nel.org
Cc:	linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>,
	konrad.wilk@...cle.com
Subject: [PATCH 7/7] x86, asmlinkage, xen: Fix type of nmi

From: Andi Kleen <ak@...ux.intel.com>

LTO requires consistent types of symbols over all files.

So "nmi" cannot be declared as a char [] here, need to use the
correct function type.

Cc: konrad.wilk@...cle.com
Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 arch/x86/xen/setup.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 09f3059..a55ff2f 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -34,7 +34,7 @@
 extern const char xen_hypervisor_callback[];
 extern const char xen_failsafe_callback[];
 #ifdef CONFIG_X86_64
-extern const char nmi[];
+extern asmlinkage void nmi(void);
 #endif
 extern void xen_sysenter_target(void);
 extern void xen_syscall_target(void);
@@ -559,7 +559,7 @@ void xen_enable_syscall(void)
 void __cpuinit xen_enable_nmi(void)
 {
 #ifdef CONFIG_X86_64
-	if (register_callback(CALLBACKTYPE_nmi, nmi))
+	if (register_callback(CALLBACKTYPE_nmi, (char *)nmi))
 		BUG();
 #endif
 }
-- 
1.8.3.1

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