Merge branches 'arm-mm', 'at91', 'clkevts', 'imx', 'iop', 'misc', 'netx', 'ns9xxx...

[pandora-kernel.git] / include / asm-arm / thread_info.h

diff --git a/include/asm-arm/thread_info.h b/include/asm-arm/thread_info.h
index c46b5c8..eae85b0 100644 (file)
--- 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