]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - include/asm-arm/thread_info.h
Merge ../linus
[linux-2.6-omap-h63xx.git] / include / asm-arm / thread_info.h
index cfbccb63c67b4df54523fa3942b2ba6b096bd09b..d9b8bddc8732ac3b75aa7d64653179c192ffb0ed 100644 (file)
@@ -59,6 +59,7 @@ struct thread_info {
        struct cpu_context_save cpu_context;    /* cpu context */
        __u8                    used_cp[16];    /* thread used copro */
        unsigned long           tp_value;
+       struct crunch_state     crunchstate;
        union fp_state          fpstate __attribute__((aligned(8)));
        union vfp_state         vfpstate;
        struct restart_block    restart_block;
@@ -93,24 +94,40 @@ static inline struct thread_info *current_thread_info(void)
        return (struct thread_info *)(sp & ~(THREAD_SIZE - 1));
 }
 
-extern struct thread_info *alloc_thread_info(struct task_struct *task);
-extern void free_thread_info(struct thread_info *);
+/* thread information allocation */
+#ifdef CONFIG_DEBUG_STACK_USAGE
+#define alloc_thread_info(tsk) \
+       ((struct thread_info *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, \
+               THREAD_SIZE_ORDER))
+#else
+#define alloc_thread_info(tsk) \
+       ((struct thread_info *)__get_free_pages(GFP_KERNEL, THREAD_SIZE_ORDER))
+#endif
+
+#define free_thread_info(info) \
+       free_pages((unsigned long)info, THREAD_SIZE_ORDER);
 
 #define thread_saved_pc(tsk)   \
        ((unsigned long)(pc_pointer(task_thread_info(tsk)->cpu_context.pc)))
 #define thread_saved_fp(tsk)   \
        ((unsigned long)(task_thread_info(tsk)->cpu_context.fp))
 
+extern void crunch_task_disable(struct thread_info *);
+extern void crunch_task_copy(struct thread_info *, void *);
+extern void crunch_task_restore(struct thread_info *, void *);
+extern void crunch_task_release(struct thread_info *);
+
 extern void iwmmxt_task_disable(struct thread_info *);
 extern void iwmmxt_task_copy(struct thread_info *, void *);
 extern void iwmmxt_task_restore(struct thread_info *, void *);
 extern void iwmmxt_task_release(struct thread_info *);
+extern void iwmmxt_task_switch(struct thread_info *);
 
 #endif
 
 /*
  * We use bit 30 of the preempt_count to indicate that kernel
- * preemption is occuring.  See include/asm-arm/hardirq.h.
+ * preemption is occurring.  See include/asm-arm/hardirq.h.
  */
 #define PREEMPT_ACTIVE 0x40000000