19 files changed, 9 insertions, 69 deletions
diff --git a/arch/alpha/include/asm/signal.h b/arch/alpha/include/asm/signal.h
index 8a1ac28cd562..8c06bd1dfffc 100644
--- a/arch/alpha/include/asm/signal.h
+++ b/arch/alpha/include/asm/signal.h
@@ -28,9 +28,6 @@ struct sigaction {
 	sigset_t	sa_mask;	/* mask last for extensibility */
 };
 
-struct k_sigaction {
-	struct sigaction sa;
-	__sigrestore_t ka_restorer;
-};
+#define __ARCH_HAS_KA_RESTORER
 #include <asm/sigcontext.h>
 #endif
diff --git a/arch/arm/include/asm/signal.h b/arch/arm/include/asm/signal.h
index 9a0ea6ab988f..58057023ff60 100644
--- a/arch/arm/include/asm/signal.h
+++ b/arch/arm/include/asm/signal.h
@@ -30,9 +30,5 @@ struct sigaction {
 	sigset_t sa_mask;		/* mask last for extensibility */
 };
 
-struct k_sigaction {
-	struct sigaction sa;
-};
-
 #include <asm/sigcontext.h>
 #endif
diff --git a/arch/avr32/include/asm/signal.h b/arch/avr32/include/asm/signal.h
index 9326d182e9e5..c8858f0cef3d 100644
--- a/arch/avr32/include/asm/signal.h
+++ b/arch/avr32/include/asm/signal.h
@@ -30,10 +30,6 @@ struct sigaction {
 	sigset_t sa_mask;		/* mask last for extensibility */
 };
 
-struct k_sigaction {
-	struct sigaction sa;
-};
-
 #include <asm/sigcontext.h>
 #undef __HAVE_ARCH_SIG_BITOPS
 
diff --git a/arch/cris/include/asm/signal.h b/arch/cris/include/asm/signal.h
index c0cb1fd4644c..b0cd904ecd8a 100644
--- a/arch/cris/include/asm/signal.h
+++ b/arch/cris/include/asm/signal.h
@@ -30,9 +30,6 @@ struct sigaction {
 	sigset_t sa_mask;		/* mask last for extensibility */
 };
 
-struct k_sigaction {
-	struct sigaction sa;
-};
 #include <asm/sigcontext.h>
 
 #endif
diff --git a/arch/h8300/include/asm/signal.h b/arch/h8300/include/asm/signal.h
index 66c81c67e55d..c05f937bb492 100644
--- a/arch/h8300/include/asm/signal.h
+++ b/arch/h8300/include/asm/signal.h
@@ -30,10 +30,6 @@ struct sigaction {
 	sigset_t sa_mask;		/* mask last for extensibility */
 };
 
-struct k_sigaction {
-	struct sigaction sa;
-};
-
 #include <asm/sigcontext.h>
 #undef __HAVE_ARCH_SIG_BITOPS
 
diff --git a/arch/ia64/include/asm/signal.h b/arch/ia64/include/asm/signal.h
index 3a1b20e74c5c..a0d5f00ec8db 100644
--- a/arch/ia64/include/asm/signal.h
+++ b/arch/ia64/include/asm/signal.h
@@ -32,10 +32,6 @@ struct sigaction {
 	sigset_t sa_mask;		/* mask last for extensibility */
 };
 
-struct k_sigaction {
-	struct sigaction sa;
-};
-
 #  include <asm/sigcontext.h>
 
 # endif /* !__ASSEMBLY__ */
diff --git a/arch/m32r/include/asm/signal.h b/arch/m32r/include/asm/signal.h
index a5ba4a217fb9..4699405f9f82 100644
--- a/arch/m32r/include/asm/signal.h
+++ b/arch/m32r/include/asm/signal.h
@@ -23,9 +23,6 @@ struct sigaction {
 	sigset_t sa_mask;		/* mask last for extensibility */
 };
 
-struct k_sigaction {
-	struct sigaction sa;
-};
 #include <asm/sigcontext.h>
 
 #undef __HAVE_ARCH_SIG_BITOPS
diff --git a/arch/m68k/include/asm/signal.h b/arch/m68k/include/asm/signal.h
index 9c8c46b06b0c..1edd5f358c0f 100644
--- a/arch/m68k/include/asm/signal.h
+++ b/arch/m68k/include/asm/signal.h
@@ -30,9 +30,6 @@ struct sigaction {
 	sigset_t sa_mask;		/* mask last for extensibility */
 };
 
-struct k_sigaction {
-	struct sigaction sa;
-};
 #include <asm/sigcontext.h>
 
 #ifndef CONFIG_CPU_HAS_NO_BITFIELDS
diff --git a/arch/mips/include/uapi/asm/signal.h b/arch/mips/include/uapi/asm/signal.h
index 770732cb8d03..3c85fa07b3d3 100644
--- a/arch/mips/include/uapi/asm/signal.h
+++ b/arch/mips/include/uapi/asm/signal.h
@@ -102,10 +102,6 @@ struct sigaction {
 	sigset_t	sa_mask;
 };
 
-struct k_sigaction {
-	struct sigaction sa;
-};
-
 /* IRIX compatible stack_t  */
 typedef struct sigaltstack {
 	void __user *ss_sp;
diff --git a/arch/mn10300/include/asm/signal.h b/arch/mn10300/include/asm/signal.h
index d280e9780793..d6f06540acb0 100644
--- a/arch/mn10300/include/asm/signal.h
+++ b/arch/mn10300/include/asm/signal.h
@@ -40,9 +40,6 @@ struct sigaction {
 	sigset_t sa_mask;		/* mask last for extensibility */
 };
 
-struct k_sigaction {
-	struct sigaction sa;
-};
 #include <asm/sigcontext.h>
 
 #endif /* _ASM_SIGNAL_H */
diff --git a/arch/parisc/include/asm/signal.h b/arch/parisc/include/asm/signal.h
index 0fdb3c835952..e42e05d69a1d 100644
--- a/arch/parisc/include/asm/signal.h
+++ b/arch/parisc/include/asm/signal.h
@@ -30,10 +30,6 @@ struct sigaction {
 	sigset_t sa_mask;		/* mask last for extensibility */
 };
 
-struct k_sigaction {
-	struct sigaction sa;
-};
-
 #include <asm/sigcontext.h>
 
 #endif /* !__ASSEMBLY */
diff --git a/arch/powerpc/include/uapi/asm/signal.h b/arch/powerpc/include/uapi/asm/signal.h
index e079fb39d5bc..a1a624699292 100644
--- a/arch/powerpc/include/uapi/asm/signal.h
+++ b/arch/powerpc/include/uapi/asm/signal.h
@@ -104,10 +104,6 @@ struct sigaction {
 	sigset_t sa_mask;		/* mask last for extensibility */
 };
 
-struct k_sigaction {
-	struct sigaction sa;
-};
-
 typedef struct sigaltstack {
 	void __user *ss_sp;
 	int ss_flags;
diff --git a/arch/s390/include/asm/signal.h b/arch/s390/include/asm/signal.h
index db7ddfaf5b79..89853592e492 100644
--- a/arch/s390/include/asm/signal.h
+++ b/arch/s390/include/asm/signal.h
@@ -35,8 +35,4 @@ struct sigaction {
         sigset_t sa_mask;               /* mask last for extensibility */
 };
 
-struct k_sigaction {
-        struct sigaction sa;
-};
-
 #endif
diff --git a/arch/sparc/include/asm/signal.h b/arch/sparc/include/asm/signal.h
index 77b85850d543..e1881856a55c 100644
--- a/arch/sparc/include/asm/signal.h
+++ b/arch/sparc/include/asm/signal.h
@@ -21,10 +21,7 @@
  */
 #define SA_STATIC_ALLOC         0x8000
 
-struct k_sigaction {
-	struct			__new_sigaction sa;
-	void			__user *ka_restorer;
-};
+#define __ARCH_HAS_KA_RESTORER
 
 #endif /* !(__ASSEMBLY__) */
 #endif /* !(__SPARC_SIGNAL_H) */
diff --git a/arch/x86/include/asm/signal.h b/arch/x86/include/asm/signal.h
index 216bf364a7e7..e7cf5005931a 100644
--- a/arch/x86/include/asm/signal.h
+++ b/arch/x86/include/asm/signal.h
@@ -46,11 +46,6 @@ struct sigaction {
 	sigset_t sa_mask;		/* mask last for extensibility */
 };
 
-struct k_sigaction {
-	struct sigaction sa;
-};
-
-#else /* __i386__ */
 #endif /* !__i386__ */
 #include <asm/sigcontext.h>
 
diff --git a/arch/x86/include/uapi/asm/signal.h b/arch/x86/include/uapi/asm/signal.h
index aa7d6ae39e0e..e52443fc026b 100644
--- a/arch/x86/include/uapi/asm/signal.h
+++ b/arch/x86/include/uapi/asm/signal.h
@@ -122,10 +122,6 @@ struct sigaction {
 	sigset_t sa_mask;		/* mask last for extensibility */
 };
 
-struct k_sigaction {
-	struct sigaction sa;
-};
-
 #endif /* !__i386__ */
 
 typedef struct sigaltstack {
diff --git a/arch/xtensa/include/asm/signal.h b/arch/xtensa/include/asm/signal.h
index 6f586bd90e18..fd63b8f46a4b 100644
--- a/arch/xtensa/include/asm/signal.h
+++ b/arch/xtensa/include/asm/signal.h
@@ -22,10 +22,6 @@ struct sigaction {
 	sigset_t sa_mask;		/* mask last for extensibility */
 };
 
-struct k_sigaction {
-	struct sigaction sa;
-};
-
 #include <asm/sigcontext.h>
 
 #endif	/* __ASSEMBLY__ */
diff --git a/include/linux/signal.h b/include/linux/signal.h
index ed1e71f1aac7..01451a156ff7 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -249,6 +249,13 @@ extern void __set_current_blocked(const sigset_t *);
 extern int show_unhandled_signals;
 extern int sigsuspend(sigset_t *);
 
+struct k_sigaction {
+	struct sigaction sa;
+#ifdef __ARCH_HAS_KA_RESTORER
+	__sigrestore_t ka_restorer;
+#endif
+};
+
 extern int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka, struct pt_regs *regs, void *cookie);
 extern void signal_delivered(int sig, siginfo_t *info, struct k_sigaction *ka, struct pt_regs *regs, int stepping);
 extern void exit_signals(struct task_struct *tsk);
diff --git a/include/uapi/asm-generic/signal.h b/include/uapi/asm-generic/signal.h
index 6fae30fd16ab..21e59f36c61b 100644
--- a/include/uapi/asm-generic/signal.h
+++ b/include/uapi/asm-generic/signal.h
@@ -102,10 +102,6 @@ struct sigaction {
 	sigset_t sa_mask;		/* mask last for extensibility */
 };
 
-struct k_sigaction {
-	struct sigaction sa;
-};
-
 typedef struct sigaltstack {
 	void __user *ss_sp;
 	int ss_flags;