X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=include%2Fasm-arm%2Fthread_info.h;h=eae85b09db2eb85f5c2136fb649fdc35fbabc033;hb=9b6a51746ffe8d619f1097675d2dc5e303470024;hp=c46b5c84275f3f2f5b2ac91d8a60002963fdc9f5;hpb=9f2fa466383ce100b90fe52cb4489d7a26bf72a9;p=mv-sheeva.git

diff --git a/include/asm-arm/thread_info.h b/include/asm-arm/thread_info.h
index c46b5c84275..eae85b09db2 100644
--- a/include/asm-arm/thread_info.h
+++ b/include/asm-arm/thread_info.h
@@ -57,6 +57,7 @@ struct thread_info {
 	__u32			cpu;		/* cpu */
 	__u32			cpu_domain;	/* cpu domain */
 	struct cpu_context_save	cpu_context;	/* cpu context */
+	__u32			syscall;	/* syscall number */
 	__u8			used_cp[16];	/* thread used copro */
 	unsigned long		tp_value;
 	struct crunch_state	crunchstate;
@@ -94,8 +95,18 @@ 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)))
@@ -111,12 +122,13 @@ 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
 
@@ -136,6 +148,7 @@ extern void iwmmxt_task_release(struct thread_info *);
 #define TIF_POLLING_NRFLAG	16
 #define TIF_USING_IWMMXT	17
 #define TIF_MEMDIE		18
+#define TIF_FREEZE		19
 
 #define _TIF_NOTIFY_RESUME	(1 << TIF_NOTIFY_RESUME)
 #define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)
@@ -143,6 +156,7 @@ extern void iwmmxt_task_release(struct thread_info *);
 #define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
 #define _TIF_POLLING_NRFLAG	(1 << TIF_POLLING_NRFLAG)
 #define _TIF_USING_IWMMXT	(1 << TIF_USING_IWMMXT)
+#define _TIF_FREEZE		(1 << TIF_FREEZE)
 
 /*
  * Change these and you break ASM code in entry-common.S