3 files changed, 15 insertions, 13 deletions
diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index a522e5d..87a8d1e 100644
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -98,9 +98,15 @@ extern struct sh_cpuinfo cpu_data[];
 
 /* Forward decl */
 struct seq_operations;
+struct task_struct;
 
 extern struct pt_regs fake_swapper_regs;
 
+/* arch/sh/kernel/process.c */
+extern unsigned int xstate_size;
+extern void free_thread_xstate(struct task_struct *);
+extern struct kmem_cache *task_xstate_cachep;
+
 /* arch/sh/mm/init.c */
 extern unsigned int mem_init_done;
 
diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h
index 5fd8312..488f0a9 100644
--- a/arch/sh/include/asm/processor_32.h
+++ b/arch/sh/include/asm/processor_32.h
@@ -96,10 +96,6 @@ union thread_xstate {
 	struct sh_fpu_soft_struct softfpu;
 };
 
-extern unsigned int xstate_size;
-extern void free_thread_xstate(struct task_struct *);
-extern struct kmem_cache *task_xstate_cachep;
-
 struct thread_struct {
 	/* Saved registers when thread is descheduled */
 	unsigned long sp;
diff --git a/arch/sh/include/asm/processor_64.h b/arch/sh/include/asm/processor_64.h
index 5727d31..7b1560f 100644
--- a/arch/sh/include/asm/processor_64.h
+++ b/arch/sh/include/asm/processor_64.h
@@ -87,20 +87,21 @@ struct sh_fpu_hard_struct {
 	/* long status; * software status information */
 };
 
-#if 0
 /* Dummy fpu emulator  */
 struct sh_fpu_soft_struct {
-	unsigned long long fp_regs[32];
+	unsigned long fp_regs[64];
 	unsigned int fpscr;
 	unsigned char lookahead;
 	unsigned long entry_pc;
 };
-#endif
 
-union sh_fpu_union {
-	struct sh_fpu_hard_struct hard;
-	/* 'hard' itself only produces 32 bit alignment, yet we need
-	   to access it using 64 bit load/store as well. */
+union thread_xstate {
+	struct sh_fpu_hard_struct hardfpu;
+	struct sh_fpu_soft_struct softfpu;
+	/*
+	 * The structure definitions only produce 32 bit alignment, yet we need
+	 * to access them using 64 bit load/store as well.
+	 */
 	unsigned long long alignment_dummy;
 };
 
@@ -122,7 +123,7 @@ struct thread_struct {
 	/* Hardware debugging registers may come here */
 
 	/* floating point info */
-	union sh_fpu_union fpu;
+	union thread_xstate *xstate;
 };
 
 #define INIT_MMAP \
@@ -137,7 +138,6 @@ struct thread_struct {
 	.trap_no	= 0,			\
 	.error_code	= 0,			\
 	.address	= 0,			\
-	.fpu		= { { { 0, } }, }	\
 }
 
 /*