/* thread_info.h: CRIS low-level thread information * * Copyright (C) 2002 David Howells (dhowells@redhat.com) * - Incorporating suggestions made by Linus Torvalds and Dave Miller * * CRIS port by Axis Communications */ #ifndef _ASM_THREAD_INFO_H #define _ASM_THREAD_INFO_H #ifdef __KERNEL__ #ifndef __ASSEMBLY__ #include <asm/types.h> #include <asm/processor.h> #include <arch/thread_info.h> #include <asm/segment.h> #endif /* * low level task data that entry.S needs immediate access to * - this struct should fit entirely inside of one cache line * - this struct shares the supervisor stack pages * - if the contents of this structure are changed, the assembly constants must also be changed */ #ifndef __ASSEMBLY__ struct thread_info { struct task_struct *task; /* main task structure */ unsigned long flags; /* low level flags */ __u32 cpu; /* current CPU */ int preempt_count; /* 0 => preemptable, <0 => BUG */ __u32 tls; /* TLS for this thread */ mm_segment_t addr_limit; /* thread address space: 0-0xBFFFFFFF for user-thead 0-0xFFFFFFFF for kernel-thread */ __u8 supervisor_stack[0]; }; #endif /* * macros/functions for gaining access to the thread information structure */ #ifndef __ASSEMBLY__ #define INIT_THREAD_INFO(tsk) \ { \ .task = &tsk, \ .flags = 0, \ .cpu = 0, \ .preempt_count = INIT_PREEMPT_COUNT, \ .addr_limit = KERNEL_DS, \ } #define init_thread_info (init_thread_union.thread_info) #endif /* !__ASSEMBLY__ */ /* * thread information flags * - these are process state flags that various assembly files may need to access * - pending work-to-be-done flags are in LSW * - other flags in MSW */ #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ #define TIF_NOTIFY_RESUME 1 /* resumption notification requested */ #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */ #define TIF_MEMDIE 17 /* is terminating due to OOM killer */ #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_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ #define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */ #endif /* __KERNEL__ */ #endif /* _ASM_THREAD_INFO_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp | |
| mikael starvik | mikael starvik | 124 | 81.05% | 1 | 12.50% |
| jesper nilsson | jesper nilsson | 21 | 13.73% | 2 | 25.00% |
| andrea arcangeli | andrea arcangeli | 4 | 2.61% | 1 | 12.50% |
| peter zijlstra | peter zijlstra | 1 | 0.65% | 1 | 12.50% |
| jesper juhl | jesper juhl | 1 | 0.65% | 1 | 12.50% |
| andreas dilger | andreas dilger | 1 | 0.65% | 1 | 12.50% |
| richard weinberger | richard weinberger | 1 | 0.65% | 1 | 12.50% |
| Total | 153 | 100.00% | 8 | 100.00% |