Release 4.14 arch/um/include/asm/thread_info.h

/*
 * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 * Licensed under the GPL
 */

#ifndef __UM_THREAD_INFO_H

#define __UM_THREAD_INFO_H

#ifndef __ASSEMBLY__

#include <asm/types.h>
#include <asm/page.h>
#include <asm/segment.h>
#include <sysdep/ptrace_user.h>


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 */
	
mm_segment_t		addr_limit;	/* thread address space:
                                                   0-0xBFFFFFFF for user
                                                   0-0xFFFFFFFF for kernel */
	
struct thread_info	*real_thread;    /* Points to non-IRQ stack */
	
unsigned long aux_fp_regs[FP_SIZE];	/* auxiliary fp_regs to save/restore
                                                   them out-of-band */
};


#define INIT_THREAD_INFO(tsk)			\
{                                               \
        .task =         &tsk,                   \
        .flags =                0,              \
        .cpu =          0,                      \
        .preempt_count = INIT_PREEMPT_COUNT,    \
        .addr_limit =   KERNEL_DS,              \
        .real_thread = NULL,                    \
}


#define init_thread_info	(init_thread_union.thread_info)

#define init_stack		(init_thread_union.stack)


#define THREAD_SIZE ((1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE)
/* how to get the thread information struct from C */


static inline struct thread_info *current_thread_info(void)
{
	struct thread_info *ti;
	unsigned long mask = THREAD_SIZE - 1;
	void *p;

	asm volatile ("" : "=r" (p) : "0" (&ti));
	ti = (struct thread_info *) (((unsigned long)p) & ~mask);
	return ti;
}

Contributors
Person
Tokens
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CommitProp
Jeff Dike
38
70.37%
2
40.00%
Paolo 'Blaisorblade' Giarrusso
8
14.81%
2
40.00%
Richard Weinberger
8
14.81%
1
20.00%
Total
54
100.00%
5
100.00%


#define THREAD_SIZE_ORDER CONFIG_KERNEL_STACK_ORDER

#endif


#define TIF_SYSCALL_TRACE	0	
/* syscall trace active */

#define TIF_SIGPENDING		1	
/* signal pending */

#define TIF_NEED_RESCHED	2	
/* rescheduling necessary */

#define TIF_RESTART_BLOCK	4

#define TIF_MEMDIE		5	
/* is terminating due to OOM killer */

#define TIF_SYSCALL_AUDIT	6

#define TIF_RESTORE_SIGMASK	7

#define TIF_NOTIFY_RESUME	8

#define TIF_SECCOMP		9	
/* secure computing */


#define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)

#define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)

#define _TIF_NEED_RESCHED	(1 << TIF_NEED_RESCHED)

#define _TIF_MEMDIE		(1 << TIF_MEMDIE)

#define _TIF_SYSCALL_AUDIT	(1 << TIF_SYSCALL_AUDIT)

#define _TIF_SECCOMP		(1 << TIF_SECCOMP)

#endif
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Jeff Dike
150
70.75%
7
36.84%
Paolo 'Blaisorblade' Giarrusso
20
9.43%
2
10.53%
Thomas Meyer
11
5.19%
1
5.26%
Richard Weinberger
10
4.72%
3
15.79%
Mickaël Salaün
9
4.25%
1
5.26%
Andrea Arcangeli
4
1.89%
1
5.26%
Al Viro
4
1.89%
1
5.26%
FUJITA Tomonori
2
0.94%
1
5.26%
Jesper Juhl
1
0.47%
1
5.26%
Andreas Dilger
1
0.47%
1
5.26%
Total
212
100.00%
19
100.00%
Directory: arch/um/include/asm

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