Alpha: Rearrange thread info flags fixing two regressions

[deliverable/linux.git] / arch / alpha / include / asm / thread_info.h

diff --git a/arch/alpha/include/asm/thread_info.h b/arch/alpha/include/asm/thread_info.h
index 5076a8860b18ff4440ee9d9187e57d696406321d..b3e888638bb7c819547cba13e5ec48724d596cd1 100644 (file)
--- a/arch/alpha/include/asm/thread_info.h
+++ b/arch/alpha/include/asm/thread_info.h
@@ -50,32 +50,35 @@ struct thread_info {
 register struct thread_info *__current_thread_info __asm__("$8");
 #define current_thread_info()  __current_thread_info
 
+#endif /* __ASSEMBLY__ */
+
 /* Thread information allocation.  */
 #define THREAD_SIZE_ORDER 1
 #define THREAD_SIZE (2*PAGE_SIZE)
 
-#endif /* __ASSEMBLY__ */
-
 #define PREEMPT_ACTIVE         0x40000000
 
 /*
  * Thread information flags:
  * - these are process state flags and used from assembly
- * - pending work-to-be-done flags come first to fit in and immediate operand.
+ * - pending work-to-be-done flags come first and must be assigned to be
+ *   within bits 0 to 7 to fit in and immediate operand.
+ * - ALPHA_UAC_SHIFT below must be kept consistent with the unaligned
+ *   control flags.
  *
  * TIF_SYSCALL_TRACE is known to be 0 via blbs.
  */
 #define TIF_SYSCALL_TRACE      0       /* syscall trace active */
-#define TIF_SIGPENDING         1       /* signal pending */
-#define TIF_NEED_RESCHED       2       /* rescheduling necessary */
-#define TIF_POLLING_NRFLAG     3       /* poll_idle is polling NEED_RESCHED */
-#define TIF_DIE_IF_KERNEL      4       /* dik recursion lock */
-#define TIF_UAC_NOPRINT                5       /* see sysinfo.h */
-#define TIF_UAC_NOFIX          6
-#define TIF_UAC_SIGBUS         7
-#define TIF_MEMDIE             8
-#define TIF_RESTORE_SIGMASK    9       /* restore signal mask in do_signal */
-#define TIF_NOTIFY_RESUME      10      /* callback before returning to user */
+#define TIF_NOTIFY_RESUME      1       /* callback before returning to user */
+#define TIF_SIGPENDING         2       /* signal pending */
+#define TIF_NEED_RESCHED       3       /* rescheduling necessary */
+#define TIF_POLLING_NRFLAG     8       /* poll_idle is polling NEED_RESCHED */
+#define TIF_DIE_IF_KERNEL      9       /* dik recursion lock */
+#define TIF_UAC_NOPRINT                10      /* see sysinfo.h */
+#define TIF_UAC_NOFIX          11
+#define TIF_UAC_SIGBUS         12
+#define TIF_MEMDIE             13
+#define TIF_RESTORE_SIGMASK    14      /* restore signal mask in do_signal */
 #define TIF_FREEZE             16      /* is freezing for suspend */
 
 #define _TIF_SYSCALL_TRACE     (1<<TIF_SYSCALL_TRACE)
@@ -94,7 +97,7 @@ register struct thread_info *__current_thread_info __asm__("$8");
 #define _TIF_ALLWORK_MASK      (_TIF_WORK_MASK         \
                                 | _TIF_SYSCALL_TRACE)
 
-#define ALPHA_UAC_SHIFT                6
+#define ALPHA_UAC_SHIFT                10
 #define ALPHA_UAC_MASK         (1 << TIF_UAC_NOPRINT | 1 << TIF_UAC_NOFIX | \
                                 1 << TIF_UAC_SIGBUS)