Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / include / asm-arm26 / thread_info.h

diff --git a/include/asm-arm26/thread_info.h b/include/asm-arm26/thread_info.h
index 50f41b5..9b367eb 100644 (file)
--- a/include/asm-arm26/thread_info.h
+++ b/include/asm-arm26/thread_info.h
@@ -44,7 +44,7 @@ struct cpu_context_save {
  */
 struct thread_info {
        unsigned long           flags;          /* low level flags */
-       __s32                   preempt_count;  /* 0 => preemptable, <0 => bug */
+       int                     preempt_count;  /* 0 => preemptable, <0 => bug */
        mm_segment_t            addr_limit;     /* address limit */
        struct task_struct      *task;          /* main task structure */
        struct exec_domain      *exec_domain;   /* execution domain */
@@ -80,20 +80,16 @@ static inline struct thread_info *current_thread_info(void)
        return (struct thread_info *)(sp & ~0x1fff);
 }
 
-/* FIXME - PAGE_SIZE < 32K */
-#define THREAD_SIZE            (8*32768) // FIXME - this needs attention (see kernel/fork.c which gets a nice div by zero if this is lower than 8*32768
-#define __get_user_regs(x) (((struct pt_regs *)((unsigned long)(x) + THREAD_SIZE - 8)) - 1)
+#define THREAD_SIZE    PAGE_SIZE
+#define task_pt_regs(task) ((struct pt_regs *)(task_stack_page(task) + THREAD_SIZE - 8) - 1)
 
 extern struct thread_info *alloc_thread_info(struct task_struct *task);
 extern void free_thread_info(struct thread_info *);
 
-#define get_thread_info(ti)    get_task_struct((ti)->task)
-#define put_thread_info(ti)    put_task_struct((ti)->task)
-
 #define thread_saved_pc(tsk)   \
-       ((unsigned long)(pc_pointer((tsk)->thread_info->cpu_context.pc)))
+       ((unsigned long)(pc_pointer(task_thread_info(tsk)->cpu_context.pc)))
 #define thread_saved_fp(tsk)   \
-       ((unsigned long)((tsk)->thread_info->cpu_context.fp))
+       ((unsigned long)(task_thread_info(tsk)->cpu_context.fp))
 
 #else /* !__ASSEMBLY__ */