diff options
Diffstat (limited to 'arch/arc/include/asm/thread_info.h')
| -rw-r--r-- | arch/arc/include/asm/thread_info.h | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/arch/arc/include/asm/thread_info.h b/arch/arc/include/asm/thread_info.h index f9eef0e8f0b7..12daaf3a61ea 100644 --- a/arch/arc/include/asm/thread_info.h +++ b/arch/arc/include/asm/thread_info.h @@ -27,7 +27,6 @@ #ifndef __ASSEMBLY__ #include <linux/thread_info.h> -#include <asm/segment.h> /* * low level task data that entry.S needs immediate access to @@ -38,17 +37,16 @@ */ struct thread_info { unsigned long flags; /* low level flags */ - int preempt_count; /* 0 => preemptable, <0 => BUG */ - struct task_struct *task; /* main task structure */ - mm_segment_t addr_limit; /* thread address space */ - __u32 cpu; /* current CPU */ + unsigned long ksp; /* kernel mode stack top in __switch_to */ + int preempt_count; /* 0 => preemptible, <0 => BUG */ + int cpu; /* current CPU */ unsigned long thr_ptr; /* TLS ptr */ + struct task_struct *task; /* main task structure */ }; /* - * macros/functions for gaining access to the thread information structure - * - * preempt_count needs to be 1 initially, until the scheduler is functional. + * initilaize thread_info for any @tsk + * - this is not related to init_task per se */ #define INIT_THREAD_INFO(tsk) \ { \ @@ -56,7 +54,6 @@ struct thread_info { .flags = 0, \ .cpu = 0, \ .preempt_count = INIT_PREEMPT_COUNT, \ - .addr_limit = KERNEL_DS, \ } static inline __attribute_const__ struct thread_info *current_thread_info(void) @@ -79,26 +76,31 @@ static inline __attribute_const__ struct thread_info *current_thread_info(void) #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_SYSCALL_AUDIT 4 /* syscall auditing active */ +#define TIF_NOTIFY_SIGNAL 5 /* signal notifications exist */ #define TIF_SYSCALL_TRACE 15 /* syscall trace active */ - /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_MEMDIE 16 +#define TIF_SYSCALL_TRACEPOINT 17 /* syscall tracepoint instrumentation */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) +#define _TIF_NOTIFY_SIGNAL (1<<TIF_NOTIFY_SIGNAL) #define _TIF_MEMDIE (1<<TIF_MEMDIE) +#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) /* work to do on interrupt/exception return */ #define _TIF_WORK_MASK (_TIF_NEED_RESCHED | _TIF_SIGPENDING | \ - _TIF_NOTIFY_RESUME) + _TIF_NOTIFY_RESUME | _TIF_NOTIFY_SIGNAL) + +#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_TRACEPOINT) /* * _TIF_ALLWORK_MASK includes SYSCALL_TRACE, but we don't need it. - * SYSCALL_TRACE is anyway seperately/unconditionally tested right after a - * syscall, so all that reamins to be tested is _TIF_WORK_MASK + * SYSCALL_TRACE is anyway separately/unconditionally tested right after a + * syscall, so all that remains to be tested is _TIF_WORK_MASK */ #endif /* _ASM_THREAD_INFO_H */ |