diff options
Diffstat (limited to 'arch/parisc/include/asm/thread_info.h')
| -rw-r--r-- | arch/parisc/include/asm/thread_info.h | 47 |
1 files changed, 31 insertions, 16 deletions
diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h index 0407959da48..4b9b10ce1f9 100644 --- a/arch/parisc/include/asm/thread_info.h +++ b/arch/parisc/include/asm/thread_info.h @@ -5,6 +5,7 @@ #ifndef __ASSEMBLY__ #include <asm/processor.h> +#include <asm/special_insns.h> struct thread_info { struct task_struct *task; /* main task structure */ @@ -23,7 +24,7 @@ struct thread_info { .flags = 0, \ .cpu = 0, \ .addr_limit = KERNEL_DS, \ - .preempt_count = 1, \ + .preempt_count = INIT_PREEMPT_COUNT, \ .restart_block = { \ .fn = do_no_restart_syscall \ } \ @@ -32,22 +33,19 @@ struct thread_info { #define init_thread_info (init_thread_union.thread_info) #define init_stack (init_thread_union.stack) +/* how to get the thread information struct from C */ +#define current_thread_info() ((struct thread_info *)mfctl(30)) + +#endif /* !__ASSEMBLY */ + /* thread information allocation */ -#define THREAD_SIZE_ORDER 2 +#define THREAD_SIZE_ORDER 2 /* PA-RISC requires at least 16k stack */ /* Be sure to hunt all references to this down when you change the size of * the kernel stack */ #define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) #define THREAD_SHIFT (PAGE_SHIFT + THREAD_SIZE_ORDER) -/* how to get the thread information struct from C */ -#define current_thread_info() ((struct thread_info *)mfctl(30)) - -#endif /* !__ASSEMBLY */ - -#define PREEMPT_ACTIVE_BIT 28 -#define PREEMPT_ACTIVE (1 << PREEMPT_ACTIVE_BIT) - /* * thread information flags */ @@ -56,20 +54,37 @@ struct thread_info { #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ #define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_32BIT 4 /* 32 bit binary */ -#define TIF_MEMDIE 5 +#define TIF_MEMDIE 5 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 6 /* restore saved signal mask */ -#define TIF_FREEZE 7 /* is freezing for suspend */ +#define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */ +#define TIF_NOTIFY_RESUME 8 /* callback before returning to user */ +#define TIF_SINGLESTEP 9 /* single stepping? */ +#define TIF_BLOCKSTEP 10 /* branch stepping? */ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_32BIT (1 << TIF_32BIT) -#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) -#define _TIF_FREEZE (1 << TIF_FREEZE) +#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) +#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) +#define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) +#define _TIF_BLOCKSTEP (1 << TIF_BLOCKSTEP) + +#define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | \ + _TIF_NEED_RESCHED) +#define _TIF_SYSCALL_TRACE_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \ + _TIF_BLOCKSTEP | _TIF_SYSCALL_AUDIT) -#define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | \ - _TIF_NEED_RESCHED | _TIF_RESTORE_SIGMASK) +#ifdef CONFIG_64BIT +# ifdef CONFIG_COMPAT +# define is_32bit_task() (test_thread_flag(TIF_32BIT)) +# else +# define is_32bit_task() (0) +# endif +#else +# define is_32bit_task() (1) +#endif #endif /* __KERNEL__ */ |