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>

1 files changed, 1 insertions, 4 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