consolidate declarations of k_sigaction

Only alpha and sparc are unusual - they have ka_restorer in it.
And nobody needs that exposed to userland.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

19 files changed, 9 insertions, 69 deletions

diff --git a/arch/alpha/include/asm/signal.h b/arch/alpha/include/asm/signal.h
index 8a1ac28cd56..8c06bd1dfff 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 9a0ea6ab988..58057023ff6 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 9326d182e9e..c8858f0cef3 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 c0cb1fd4644..b0cd904ecd8 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 66c81c67e55..c05f937bb49 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 3a1b20e74c5..a0d5f00ec8d 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 a5ba4a217fb..4699405f9f8 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 9c8c46b06b0..1edd5f358c0 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 770732cb8d0..3c85fa07b3d 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 d280e978079..d6f06540acb 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 0fdb3c83595..e42e05d69a1 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 e079fb39d5b..a1a62469929 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 db7ddfaf5b7..89853592e49 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 77b85850d54..e1881856a55 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 216bf364a7e..e7cf5005931 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 aa7d6ae39e0..e52443fc026 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 6f586bd90e1..fd63b8f46a4 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 ed1e71f1aac..01451a156ff 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 6fae30fd16a..21e59f36c61 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;