Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

[linux-2.6-omap-h63xx.git] / include / asm-xtensa / processor.h

diff --git a/include/asm-xtensa/processor.h b/include/asm-xtensa/processor.h
index 4feb9f7f35a6414bc238a154f35ced888f353005..4918a4e96d4234109bfc50e25771107101f7f656 100644 (file)
--- a/include/asm-xtensa/processor.h
+++ b/include/asm-xtensa/processor.h
@@ -33,7 +33,9 @@
  * the 1 GB requirement applies to the stack as well.
  */
 
-#define TASK_SIZE      0x40000000
+#define TASK_SIZE      __XTENSA_UL_CONST(0x40000000)
+#define STACK_TOP      TASK_SIZE
+#define STACK_TOP_MAX  STACK_TOP
 
 /*
  * General exception cause assigned to debug exceptions. Debug exceptions go
@@ -101,10 +103,6 @@ struct thread_struct {
        unsigned long dbreaka[XCHAL_NUM_DBREAK];
        unsigned long dbreakc[XCHAL_NUM_DBREAK];
 
-       /* Allocate storage for extra state and coprocessor state. */
-       unsigned char cp_save[XTENSA_CP_EXTRA_SIZE]
-               __attribute__ ((aligned(XTENSA_CP_EXTRA_ALIGN)));
-
        /* Make structure 16 bytes aligned. */
        int align[0] __attribute__ ((aligned(16)));
 };
@@ -160,21 +158,16 @@ struct thread_struct {
 struct task_struct;
 struct mm_struct;
 
-// FIXME: do we need release_thread for CP??
 /* Free all resources held by a thread. */
 #define release_thread(thread) do { } while(0)
 
-// FIXME: do we need prepare_to_copy (lazy status) for CP??
 /* Prepare to copy thread state - unlazy all lazy status */
-#define prepare_to_copy(tsk)   do { } while (0)
+extern void prepare_to_copy(struct task_struct*);
 
-/*
- * create a kernel thread without removing it from tasklists
- */
+/* Create a kernel thread without removing it from tasklists */
 extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
 
 /* Copy and release all segment info associated with a VM */
-
 #define copy_segments(p, mm)   do { } while(0)
 #define release_segments(mm)   do { } while(0)
 #define forget_segments()      do { } while (0)