x86/compat: Move ucontext_x32 to sigframe.h

ia32.h should only contain the code for 32-bit compatability.

Signed-off-by: Brian Gerst <[e-mail]>
Cc: Andy Lutomirski <[e-mail]>
Cc: Borislav Petkov <[e-mail]>
Cc: Denys Vlasenko <[e-mail]>
Cc: H. Peter Anvin <[e-mail]>
Cc: Linus Torvalds <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Ingo Molnar <[e-mail]>

arch/x86/include/asm/ia32.h

···
 	compat_sigset_t	  uc_sigmask;	/* mask last for extensibility */
 };
 
-struct ucontext_x32 {
-	unsigned int	  uc_flags;
-	unsigned int 	  uc_link;
-	compat_stack_t	  uc_stack;
-	unsigned int	  uc__pad0;     /* needed for alignment */
-	struct sigcontext uc_mcontext;  /* the 64-bit sigcontext type */
-	compat_sigset_t	  uc_sigmask;	/* mask last for extensibility */
-};
-
 /* This matches struct stat64 in glibc2.2, hence the absolutely
  * insane amounts of padding around dev_t's.
  */

arch/x86/include/asm/sigframe.h

···
 #include <asm/sigcontext.h>
 #include <asm/siginfo.h>
 #include <asm/ucontext.h>
+#include <linux/compat.h>
 
 #ifdef CONFIG_X86_32
 #define sigframe_ia32		sigframe
···
 };
 
 #ifdef CONFIG_X86_X32_ABI
+
+struct ucontext_x32 {
+	unsigned int	  uc_flags;
+	unsigned int 	  uc_link;
+	compat_stack_t	  uc_stack;
+	unsigned int	  uc__pad0;     /* needed for alignment */
+	struct sigcontext uc_mcontext;  /* the 64-bit sigcontext type */
+	compat_sigset_t	  uc_sigmask;	/* mask last for extensibility */
+};
 
 struct rt_sigframe_x32 {
 	u64 pretcode;