mm: remove double indirection on tlb parameter to free_pgd_range() & Co

[mv-sheeva.git] / include / asm-x86 / thread_info.h

diff --git a/include/asm-x86/thread_info.h b/include/asm-x86/thread_info.h
index b7cd41308e56438c3153d5b5dca71562e1fb087c..3f2de10509884c9ff917b9653855ca34cce45a06 100644 (file)
--- a/include/asm-x86/thread_info.h
+++ b/include/asm-x86/thread_info.h
@@ -24,10 +24,10 @@ struct exec_domain;
 struct thread_info {
        struct task_struct      *task;          /* main task structure */
        struct exec_domain      *exec_domain;   /* execution domain */
-       __u32                   flags;          /* low level flags */
+       unsigned long           flags;          /* low level flags */
        __u32                   status;         /* thread synchronous flags */
        __u32                   cpu;            /* current CPU */
-       int                     preempt_count;  /* 0 => preemptable,
+       int                     preempt_count;  /* 0 => preemptable,
                                                   <0 => BUG */
        mm_segment_t            addr_limit;
        struct restart_block    restart_block;
@@ -75,14 +75,10 @@ struct thread_info {
 #define TIF_NEED_RESCHED       3       /* rescheduling necessary */
 #define TIF_SINGLESTEP         4       /* reenable singlestep on user return*/
 #define TIF_IRET               5       /* force IRET */
-#ifdef CONFIG_X86_32
 #define TIF_SYSCALL_EMU                6       /* syscall emulation active */
-#endif
 #define TIF_SYSCALL_AUDIT      7       /* syscall auditing active */
 #define TIF_SECCOMP            8       /* secure computing */
-#define TIF_RESTORE_SIGMASK    9       /* restore signal mask in do_signal */
 #define TIF_MCE_NOTIFY         10      /* notify userspace of an MCE */
-#define TIF_HRTICK_RESCHED     11      /* reprogram hrtick timer */
 #define TIF_NOTSC              16      /* TSC is not accessible in userland */
 #define TIF_IA32               17      /* 32bit process */
 #define TIF_FORK               18      /* ret_from_fork */
@@ -101,16 +97,10 @@ struct thread_info {
 #define _TIF_SINGLESTEP                (1 << TIF_SINGLESTEP)
 #define _TIF_NEED_RESCHED      (1 << TIF_NEED_RESCHED)
 #define _TIF_IRET              (1 << TIF_IRET)
-#ifdef CONFIG_X86_32
 #define _TIF_SYSCALL_EMU       (1 << TIF_SYSCALL_EMU)
-#else
-#define _TIF_SYSCALL_EMU       0
-#endif
 #define _TIF_SYSCALL_AUDIT     (1 << TIF_SYSCALL_AUDIT)
 #define _TIF_SECCOMP           (1 << TIF_SECCOMP)
-#define _TIF_RESTORE_SIGMASK   (1 << TIF_RESTORE_SIGMASK)
 #define _TIF_MCE_NOTIFY                (1 << TIF_MCE_NOTIFY)
-#define _TIF_HRTICK_RESCHED    (1 << TIF_HRTICK_RESCHED)
 #define _TIF_NOTSC             (1 << TIF_NOTSC)
 #define _TIF_IA32              (1 << TIF_IA32)
 #define _TIF_FORK              (1 << TIF_FORK)
@@ -123,17 +113,27 @@ struct thread_info {
 #define _TIF_DS_AREA_MSR       (1 << TIF_DS_AREA_MSR)
 #define _TIF_BTS_TRACE_TS      (1 << TIF_BTS_TRACE_TS)
 
+/* work to do in syscall_trace_enter() */
+#define _TIF_WORK_SYSCALL_ENTRY        \
+       (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_EMU | \
+        _TIF_SYSCALL_AUDIT | _TIF_SECCOMP | _TIF_SINGLESTEP)
+
+/* work to do in syscall_trace_leave() */
+#define _TIF_WORK_SYSCALL_EXIT \
+       (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_SINGLESTEP)
+
 /* work to do on interrupt/exception return */
 #define _TIF_WORK_MASK                                                 \
        (0x0000FFFF &                                                   \
-        ~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP|       \
-        _TIF_SECCOMP|_TIF_SYSCALL_EMU))
+        ~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|                       \
+          _TIF_SINGLESTEP|_TIF_SECCOMP|_TIF_SYSCALL_EMU))
 
 /* work to do on any return to user space */
 #define _TIF_ALLWORK_MASK (0x0000FFFF & ~_TIF_SECCOMP)
 
+/* Only used for 64 bit */
 #define _TIF_DO_NOTIFY_MASK                                            \
-       (_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY|_TIF_HRTICK_RESCHED)
+       (_TIF_SIGPENDING|_TIF_MCE_NOTIFY)
 
 /* flags to check in __switch_to() */
 #define _TIF_WORK_CTXSW                                                        \
@@ -143,18 +143,21 @@ struct thread_info {
 #define _TIF_WORK_CTXSW_PREV _TIF_WORK_CTXSW
 #define _TIF_WORK_CTXSW_NEXT (_TIF_WORK_CTXSW|_TIF_DEBUG)
 
-
 #define PREEMPT_ACTIVE         0x10000000
 
-#ifdef CONFIG_X86_32
-
-#ifdef CONFIG_4KSTACKS
-#define THREAD_SIZE            (4096)
+/* thread information allocation */
+#ifdef CONFIG_DEBUG_STACK_USAGE
+#define THREAD_FLAGS (GFP_KERNEL | __GFP_ZERO)
 #else
-#define THREAD_SIZE            (8192)
+#define THREAD_FLAGS GFP_KERNEL
 #endif
 
-#define STACK_WARN             (THREAD_SIZE/8)
+#define alloc_thread_info(tsk)                                         \
+       ((struct thread_info *)__get_free_pages(THREAD_FLAGS, THREAD_ORDER))
+
+#ifdef CONFIG_X86_32
+
+#define STACK_WARN     (THREAD_SIZE/8)
 /*
  * macros/functions for gaining access to the thread information structure
  *
@@ -173,15 +176,6 @@ static inline struct thread_info *current_thread_info(void)
                (current_stack_pointer & ~(THREAD_SIZE - 1));
 }
 
-/* thread information allocation */
-#ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(tsk) ((struct thread_info *)                 \
-       __get_free_pages(GFP_KERNEL | __GFP_ZERO, get_order(THREAD_SIZE)))
-#else
-#define alloc_thread_info(tsk) ((struct thread_info *)                 \
-       __get_free_pages(GFP_KERNEL, get_order(THREAD_SIZE)))
-#endif
-
 #else /* !__ASSEMBLY__ */
 
 /* how to get the thread information struct from ASM */
@@ -219,16 +213,6 @@ static inline struct thread_info *stack_thread_info(void)
        return ti;
 }
 
-/* thread information allocation */
-#ifdef CONFIG_DEBUG_STACK_USAGE
-#define THREAD_FLAGS (GFP_KERNEL | __GFP_ZERO)
-#else
-#define THREAD_FLAGS GFP_KERNEL
-#endif
-
-#define alloc_thread_info(tsk)                                         \
-       ((struct thread_info *)__get_free_pages(THREAD_FLAGS, THREAD_ORDER))
-
 #else /* !__ASSEMBLY__ */
 
 /* how to get the thread information struct from ASM */
@@ -252,9 +236,20 @@ static inline struct thread_info *stack_thread_info(void)
 #define TS_COMPAT              0x0002  /* 32bit syscall active (64BIT)*/
 #define TS_POLLING             0x0004  /* true if in idle loop
                                           and not sleeping */
+#define TS_RESTORE_SIGMASK     0x0008  /* restore signal mask in do_signal() */
 
 #define tsk_is_polling(t) (task_thread_info(t)->status & TS_POLLING)
 
+#ifndef __ASSEMBLY__
+#define HAVE_SET_RESTORE_SIGMASK       1
+static inline void set_restore_sigmask(void)
+{
+       struct thread_info *ti = current_thread_info();
+       ti->status |= TS_RESTORE_SIGMASK;
+       set_bit(TIF_SIGPENDING, (unsigned long *)&ti->flags);
+}
+#endif /* !__ASSEMBLY__ */
+
 #ifndef __ASSEMBLY__
 extern void arch_task_cache_init(void);
 extern void free_thread_info(struct thread_info *ti);