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-rw-r--r--include/linux/sched.h33
1 files changed, 25 insertions, 8 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 03b68a7..2038bd2 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -357,7 +357,6 @@ struct mm_struct {
/* aio bits */
rwlock_t ioctx_list_lock;
struct kioctx *ioctx_list;
- struct kioctx default_kioctx;
};
struct sighand_struct {
@@ -909,6 +908,7 @@ do { if (atomic_dec_and_test(&(tsk)->usage)) __put_task_struct(tsk); } while(0)
#define PF_SYNCWRITE 0x00200000 /* I am doing a sync write */
#define PF_BORROWED_MM 0x00400000 /* I am a kthread doing use_mm */
#define PF_RANDOMIZE 0x00800000 /* randomize virtual address space */
+#define PF_HOTPLUG_CPU 0x01000000 /* Currently performing CPU hotplug */
/*
* Only the _current_ task can read/write to tsk->flags, but other
@@ -1232,32 +1232,49 @@ static inline void task_unlock(struct task_struct *p)
spin_unlock(&p->alloc_lock);
}
+#ifndef __HAVE_THREAD_FUNCTIONS
+
+#define task_thread_info(task) (task)->thread_info
+
+static inline void setup_thread_stack(struct task_struct *p, struct task_struct *org)
+{
+ *task_thread_info(p) = *task_thread_info(org);
+ task_thread_info(p)->task = p;
+}
+
+static inline unsigned long *end_of_stack(struct task_struct *p)
+{
+ return (unsigned long *)(p->thread_info + 1);
+}
+
+#endif
+
/* set thread flags in other task's structures
* - see asm/thread_info.h for TIF_xxxx flags available
*/
static inline void set_tsk_thread_flag(struct task_struct *tsk, int flag)
{
- set_ti_thread_flag(tsk->thread_info,flag);
+ set_ti_thread_flag(task_thread_info(tsk), flag);
}
static inline void clear_tsk_thread_flag(struct task_struct *tsk, int flag)
{
- clear_ti_thread_flag(tsk->thread_info,flag);
+ clear_ti_thread_flag(task_thread_info(tsk), flag);
}
static inline int test_and_set_tsk_thread_flag(struct task_struct *tsk, int flag)
{
- return test_and_set_ti_thread_flag(tsk->thread_info,flag);
+ return test_and_set_ti_thread_flag(task_thread_info(tsk), flag);
}
static inline int test_and_clear_tsk_thread_flag(struct task_struct *tsk, int flag)
{
- return test_and_clear_ti_thread_flag(tsk->thread_info,flag);
+ return test_and_clear_ti_thread_flag(task_thread_info(tsk), flag);
}
static inline int test_tsk_thread_flag(struct task_struct *tsk, int flag)
{
- return test_ti_thread_flag(tsk->thread_info,flag);
+ return test_ti_thread_flag(task_thread_info(tsk), flag);
}
static inline void set_tsk_need_resched(struct task_struct *tsk)
@@ -1328,12 +1345,12 @@ extern void signal_wake_up(struct task_struct *t, int resume_stopped);
static inline unsigned int task_cpu(const struct task_struct *p)
{
- return p->thread_info->cpu;
+ return task_thread_info(p)->cpu;
}
static inline void set_task_cpu(struct task_struct *p, unsigned int cpu)
{
- p->thread_info->cpu = cpu;
+ task_thread_info(p)->cpu = cpu;
}
#else
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