x86: move extern declaration to vdso.h
Before:
total: 0 errors, 3 warnings, 685 lines checked
After:
total: 0 errors, 1 warnings, 678 lines checked
No code changed:
arch/x86/kernel/signal_32.o:
text data bss dec hex filename
5333 0 4 5337 14d9 signal_32.o.before
5333 0 4 5337 14d9 signal_32.o.after
md5:
c279e98012a2808e90cfa2a7787e42a4 signal_32.o.before.asm
c279e98012a2808e90cfa2a7787e42a4 signal_32.o.after.asm
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c
index 3da3ffa..ba168e5 100644
--- a/arch/x86/kernel/signal_32.c
+++ b/arch/x86/kernel/signal_32.c
@@ -342,13 +342,6 @@
return (void __user *) sp;
}
-/*
- * These symbols are defined with the addresses in the vsyscall page.
- * See vsyscall-sigreturn.S.
- */
-extern void __user __kernel_sigreturn;
-extern void __user __kernel_rt_sigreturn;
-
static int
setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
struct pt_regs *regs)
diff --git a/include/asm-x86/vdso.h b/include/asm-x86/vdso.h
index 629bcb6..9bb8689 100644
--- a/include/asm-x86/vdso.h
+++ b/include/asm-x86/vdso.h
@@ -25,4 +25,11 @@
(void *) (VDSO32_##name - VDSO32_PRELINK + (unsigned long) (base)); })
#endif
+/*
+ * These symbols are defined with the addresses in the vsyscall page.
+ * See vsyscall-sigreturn.S.
+ */
+extern void __user __kernel_sigreturn;
+extern void __user __kernel_rt_sigreturn;
+
#endif /* asm-x86/vdso.h */