[SPARC]: Add restart_block to thread_info.

include/asm-sparc/thread_info.h

@@ -44,6 +44,8 @@ struct thread_info {
 	unsigned long kpc;
 	unsigned long kpsr;
 	unsigned long kwim;
+
+	struct restart_block	restart_block;
 };
 
 /*
@@ -51,11 +53,14 @@ struct thread_info {
  */
 #define INIT_THREAD_INFO(tsk)				\
 {							\
-	uwinmask:	0,			\
-	task:		&tsk,			\
-	exec_domain:	&default_exec_domain,	\
-	flags:		0,			\
-	cpu:		0,			\
+	.uwinmask	=	0,			\
+	.task		=	&tsk,			\
+	.exec_domain	=	&default_exec_domain,	\
+	.flags		=	0,			\
+	.cpu		=	0,			\
+	.restart_block	= {				\
+		.fn	=	do_no_restart_syscall,	\
+	},
 }
 
 #define init_thread_info	(init_thread_union.thread_info)
@@ -110,6 +115,7 @@ BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *)
 #define TI_KPC		0x24	/* kpc (ldd'ed with kpc) */
 #define TI_KPSR		0x28	/* kpsr */
 #define TI_KWIM		0x2c	/* kwim (ldd'ed with kpsr) */
+#define TI_RESTART_BLOCK 0x30
 
 #define PREEMPT_ACTIVE		0x4000000
 

include/asm-sparc64/thread_info.h

@@ -62,6 +62,8 @@ struct thread_info {
 
 	__u64			cee_stuff;
 
+	struct restart_block	restart_block;
+
 	unsigned long		fpregs[0] __attribute__ ((aligned(64)));
 };
 
@@ -94,6 +96,7 @@ struct thread_info {
 #define TI_KERN_CNTD1	0x00000488
 #define TI_PCR		0x00000490
 #define TI_CEE_STUFF	0x00000498
+#define TI_RESTART_BLOCK 0x000004a0
 #define TI_FPREGS	0x000004c0
 
 /* We embed this in the uppermost byte of thread_info->flags */
@@ -121,10 +124,13 @@ struct thread_info {
 
 #define INIT_THREAD_INFO(tsk)				\
 {							\
-	task:		&tsk,				\
-	flags:		((unsigned long)ASI_P) << TI_FLAG_CURRENT_DS_SHIFT,	\
-	exec_domain:	&default_exec_domain,		\
-	preempt_count:	1,				\
+	.task		=	&tsk,			\
+	.flags		= ((unsigned long)ASI_P) << TI_FLAG_CURRENT_DS_SHIFT,	\
+	.exec_domain	=	&default_exec_domain,	\
+	.preempt_count	=	1,			\
+	.restart_block	= {				\
+		.fn	=	do_no_restart_syscall,	\
+	},						\
 }
 
 #define init_thread_info	(init_thread_union.thread_info)