Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

[linux-block.git] / include / asm-powerpc / thread_info.h

diff --git a/include/asm-powerpc/thread_info.h b/include/asm-powerpc/thread_info.h
index d030f5ce39adafdac57aa0fd93d88bc8f985b2ea..a9db562df69a3590d5a51257631dc99930ed9a77 100644 (file)
--- a/include/asm-powerpc/thread_info.h
+++ b/include/asm-powerpc/thread_info.h
@@ -66,20 +66,12 @@ struct thread_info {
 
 #if THREAD_SHIFT >= PAGE_SHIFT
 
-#define THREAD_ORDER   (THREAD_SHIFT - PAGE_SHIFT)
-
-#ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(tsk) \
-       ((struct thread_info *)__get_free_pages(GFP_KERNEL | \
-               __GFP_ZERO, THREAD_ORDER))
-#else
-#define alloc_thread_info(tsk) \
-       ((struct thread_info *)__get_free_pages(GFP_KERNEL, THREAD_ORDER))
-#endif
-#define free_thread_info(ti)   free_pages((unsigned long)ti, THREAD_ORDER)
+#define THREAD_SIZE_ORDER      (THREAD_SHIFT - PAGE_SHIFT)
 
 #else /* THREAD_SHIFT < PAGE_SHIFT */
 
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
 extern struct thread_info *alloc_thread_info(struct task_struct *tsk);
 extern void free_thread_info(struct thread_info *ti);
 
@@ -116,7 +108,6 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_SECCOMP            10      /* secure computing */
 #define TIF_RESTOREALL         11      /* Restore all regs (implies NOERROR) */
 #define TIF_NOERROR            12      /* Force successful syscall return */
-#define TIF_RESTORE_SIGMASK    13      /* Restore signal mask in do_signal */
 #define TIF_FREEZE             14      /* Freezing for suspend */
 #define TIF_RUNLATCH           15      /* Is the runlatch enabled? */
 #define TIF_ABI_PENDING                16      /* 32/64 bit switch needed */
@@ -134,21 +125,33 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_SECCOMP           (1<<TIF_SECCOMP)
 #define _TIF_RESTOREALL                (1<<TIF_RESTOREALL)
 #define _TIF_NOERROR           (1<<TIF_NOERROR)
-#define _TIF_RESTORE_SIGMASK   (1<<TIF_RESTORE_SIGMASK)
 #define _TIF_FREEZE            (1<<TIF_FREEZE)
 #define _TIF_RUNLATCH          (1<<TIF_RUNLATCH)
 #define _TIF_ABI_PENDING       (1<<TIF_ABI_PENDING)
 #define _TIF_SYSCALL_T_OR_A    (_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP)
 
-#define _TIF_USER_WORK_MASK    ( _TIF_SIGPENDING | \
-                                _TIF_NEED_RESCHED | _TIF_RESTORE_SIGMASK)
+#define _TIF_USER_WORK_MASK    (_TIF_SIGPENDING | _TIF_NEED_RESCHED)
 #define _TIF_PERSYSCALL_MASK   (_TIF_RESTOREALL|_TIF_NOERROR)
 
 /* Bits in local_flags */
 /* Don't move TLF_NAPPING without adjusting the code in entry_32.S */
 #define TLF_NAPPING            0       /* idle thread enabled NAP mode */
+#define TLF_SLEEPING           1       /* suspend code enabled SLEEP mode */
+#define TLF_RESTORE_SIGMASK    2       /* Restore signal mask in do_signal */
 
 #define _TLF_NAPPING           (1 << TLF_NAPPING)
+#define _TLF_SLEEPING          (1 << TLF_SLEEPING)
+#define _TLF_RESTORE_SIGMASK   (1 << TLF_RESTORE_SIGMASK)
+
+#ifndef __ASSEMBLY__
+#define HAVE_SET_RESTORE_SIGMASK       1
+static inline void set_restore_sigmask(void)
+{
+       struct thread_info *ti = current_thread_info();
+       ti->local_flags |= _TLF_RESTORE_SIGMASK;
+       set_bit(TIF_SIGPENDING, &ti->flags);
+}
+#endif /* !__ASSEMBLY__ */
 
 #endif /* __KERNEL__ */