[SPARC]: Include file cleanups, fixes restart_block compile.

include/asm-sparc/bitops.h

@@ -9,9 +9,8 @@
 #ifndef _SPARC_BITOPS_H
 #define _SPARC_BITOPS_H
 
-#include <linux/kernel.h>
+#include <linux/compiler.h>
 #include <asm/byteorder.h>
-#include <asm/system.h>
 
 #ifdef __KERNEL__
 

include/asm-sparc/system.h

@@ -7,6 +7,7 @@
 #include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/threads.h>	/* NR_CPUS */
+#include <linux/thread_info.h>
 
 #include <asm/segment.h>
 #include <asm/page.h>

include/asm-sparc/thread_info.h

@@ -11,8 +11,6 @@
 #ifndef _ASM_THREAD_INFO_H
 #define _ASM_THREAD_INFO_H
 
-// XXX todo: comment thread_info components and see what breaks.
-
 #ifdef __KERNEL__
 
 #ifndef __ASSEMBLY__