x86, asmlinkage, xen: Fix type of NMI
authorAndi Kleen <ak@linux.intel.com>
Tue, 22 Oct 2013 16:07:59 +0000 (09:07 -0700)
committerH. Peter Anvin <hpa@linux.intel.com>
Thu, 30 Jan 2014 06:17:18 +0000 (22:17 -0800)
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 Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1382458079-24450-8-git-send-email-andi@firstfloor.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
arch/x86/xen/setup.c

index 68c054f59de686657e39879e5fc4b93e6a8aec71..518ab4a17b8a87d9c4caaa34c16c30ae7823ff49 100644 (file)
@@ -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 xen_enable_nmi(void)
 {
 #ifdef CONFIG_X86_64
-       if (register_callback(CALLBACKTYPE_nmi, nmi))
+       if (register_callback(CALLBACKTYPE_nmi, (char *)nmi))
                BUG();
 #endif
 }