[mirror_ubuntu-artful-kernel.git] / arch / sparc / include / asm / thread_info_64.h

/* thread_info.h: sparc64 low-level thread information
 *
 * Copyright (C) 2002  David S. Miller (davem@redhat.com)
 */

#ifndef _ASM_THREAD_INFO_H
#define _ASM_THREAD_INFO_H

#ifdef __KERNEL__

#define NSWINS		7

#define TI_FLAG_BYTE_FAULT_CODE		0
#define TI_FLAG_FAULT_CODE_SHIFT	56
#define TI_FLAG_BYTE_WSTATE		1
#define TI_FLAG_WSTATE_SHIFT		48
#define TI_FLAG_BYTE_CWP		2
#define TI_FLAG_CWP_SHIFT		40
#define TI_FLAG_BYTE_CURRENT_DS		3
#define TI_FLAG_CURRENT_DS_SHIFT	32
#define TI_FLAG_BYTE_NOERROR		4
#define TI_FLAG_BYTE_NOERROR_SHIFT	24
#define TI_FLAG_BYTE_FPDEPTH		5
#define TI_FLAG_FPDEPTH_SHIFT		16
#define TI_FLAG_BYTE_WSAVED		6
#define TI_FLAG_WSAVED_SHIFT		8

#include <asm/page.h>

#ifndef __ASSEMBLY__

#include <asm/ptrace.h>
#include <asm/types.h>

struct task_struct;
struct exec_domain;

struct thread_info {
	/* D$ line 1 */
	struct task_struct	*task;
	unsigned long		flags;
	__u8			fpsaved[7];
	__u8			status;
	unsigned long		ksp;

	/* D$ line 2 */
	unsigned long		fault_address;
	struct pt_regs		*kregs;
	struct exec_domain	*exec_domain;
	int			preempt_count;	/* 0 => preemptable, <0 => BUG */
	__u8			new_child;
	__u8			__pad;
	__u16			cpu;

	unsigned long		*utraps;

	struct reg_window 	reg_window[NSWINS];
	unsigned long 		rwbuf_stkptrs[NSWINS];

	unsigned long		gsr[7];
	unsigned long		xfsr[7];

	struct restart_block	restart_block;

	struct pt_regs		*kern_una_regs;
	unsigned int		kern_una_insn;

	unsigned long		fpregs[0] __attribute__ ((aligned(64)));
};

#endif /* !(__ASSEMBLY__) */

/* offsets into the thread_info struct for assembly code access */
#define TI_TASK		0x00000000
#define TI_FLAGS	0x00000008
#define TI_FAULT_CODE	(TI_FLAGS + TI_FLAG_BYTE_FAULT_CODE)
#define TI_WSTATE	(TI_FLAGS + TI_FLAG_BYTE_WSTATE)
#define TI_CWP		(TI_FLAGS + TI_FLAG_BYTE_CWP)
#define TI_CURRENT_DS	(TI_FLAGS + TI_FLAG_BYTE_CURRENT_DS)
#define TI_FPDEPTH	(TI_FLAGS + TI_FLAG_BYTE_FPDEPTH)
#define TI_WSAVED	(TI_FLAGS + TI_FLAG_BYTE_WSAVED)
#define TI_SYS_NOERROR	(TI_FLAGS + TI_FLAG_BYTE_NOERROR)
#define TI_FPSAVED	0x00000010
#define TI_KSP		0x00000018
#define TI_FAULT_ADDR	0x00000020
#define TI_KREGS	0x00000028
#define TI_EXEC_DOMAIN	0x00000030
#define TI_PRE_COUNT	0x00000038
#define TI_NEW_CHILD	0x0000003c
#define TI_CPU		0x0000003e
#define TI_UTRAPS	0x00000040
#define TI_REG_WINDOW	0x00000048
#define TI_RWIN_SPTRS	0x000003c8
#define TI_GSR		0x00000400
#define TI_XFSR		0x00000438
#define TI_RESTART_BLOCK 0x00000470
#define TI_KUNA_REGS	0x000004a0
#define TI_KUNA_INSN	0x000004a8
#define TI_FPREGS	0x000004c0

/* We embed this in the uppermost byte of thread_info->flags */
#define FAULT_CODE_WRITE	0x01	/* Write access, implies D-TLB	   */
#define FAULT_CODE_DTLB		0x02	/* Miss happened in D-TLB	   */
#define FAULT_CODE_ITLB		0x04	/* Miss happened in I-TLB	   */
#define FAULT_CODE_WINFIXUP	0x08	/* Miss happened during spill/fill */
#define FAULT_CODE_BLKCOMMIT	0x10	/* Use blk-commit ASI in copy_page */

#if PAGE_SHIFT == 13
#define THREAD_SIZE (2*PAGE_SIZE)
#define THREAD_SHIFT (PAGE_SHIFT + 1)
#else /* PAGE_SHIFT == 13 */
#define THREAD_SIZE PAGE_SIZE
#define THREAD_SHIFT PAGE_SHIFT
#endif /* PAGE_SHIFT == 13 */

#define PREEMPT_ACTIVE		0x10000000

/*
 * macros/functions for gaining access to the thread information structure
 */
#ifndef __ASSEMBLY__

#define INIT_THREAD_INFO(tsk)				\
{							\
	.task		=	&tsk,			\
	.flags		= ((unsigned long)ASI_P) << TI_FLAG_CURRENT_DS_SHIFT,	\
	.exec_domain	=	&default_exec_domain,	\
	.preempt_count	=	INIT_PREEMPT_COUNT,	\
	.restart_block	= {				\
		.fn	=	do_no_restart_syscall,	\
	},						\
}

#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 */
register struct thread_info *current_thread_info_reg asm("g6");
#define current_thread_info()	(current_thread_info_reg)

/* thread information allocation */
#if PAGE_SHIFT == 13
#define THREAD_SIZE_ORDER	1
#else /* PAGE_SHIFT == 13 */
#define THREAD_SIZE_ORDER	0
#endif /* PAGE_SHIFT == 13 */

#define __thread_flag_byte_ptr(ti)	\
	((unsigned char *)(&((ti)->flags)))
#define __cur_thread_flag_byte_ptr	__thread_flag_byte_ptr(current_thread_info())

#define get_thread_fault_code()		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FAULT_CODE])
#define set_thread_fault_code(val)	(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FAULT_CODE] = (val))
#define get_thread_wstate()		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSTATE])
#define set_thread_wstate(val)		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSTATE] = (val))
#define get_thread_cwp()		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP])
#define set_thread_cwp(val)		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP] = (val))
#define get_thread_current_ds()		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS])
#define set_thread_current_ds(val)	(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS] = (val))
#define get_thread_noerror()		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_NOERROR])
#define set_thread_noerror(val)		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_NOERROR] = (val))
#define get_thread_fpdepth()		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH])
#define set_thread_fpdepth(val)		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH] = (val))
#define get_thread_wsaved()		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED])
#define set_thread_wsaved(val)		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED] = (val))

#endif /* !(__ASSEMBLY__) */

/*
 * Thread information flags, only 16 bits are available as we encode
 * other values into the upper 6 bytes.
 *
 * On trap return we need to test several values:
 *
 * user:	need_resched, notify_resume, sigpending, wsaved
 * kernel:	fpdepth
 *
 * So to check for work in the kernel case we simply load the fpdepth
 * byte out of the flags and test it.  For the user case we encode the
 * lower 3 bytes of flags as follows:
 *	----------------------------------------
 *	| wsaved | flags byte 1 | flags byte 2 |
 *	----------------------------------------
 * This optimizes the user test into:
 *	ldx		[%g6 + TI_FLAGS], REG1
 *	sethi		%hi(_TIF_USER_WORK_MASK), REG2
 *	or		REG2, %lo(_TIF_USER_WORK_MASK), REG2
 *	andcc		REG1, REG2, %g0
 *	be,pt		no_work_to_do
 *	 nop
 */
#define TIF_SYSCALL_TRACE	0	/* syscall trace active */
#define TIF_NOTIFY_RESUME	1	/* callback before returning to user */
#define TIF_SIGPENDING		2	/* signal pending */
#define TIF_NEED_RESCHED	3	/* rescheduling necessary */
/* flag bit 4 is available */
#define TIF_UNALIGNED		5	/* allowed to do unaligned accesses */
/* flag bit 6 is available */
#define TIF_32BIT		7	/* 32-bit binary */
/* flag bit 8 is available */
#define TIF_SECCOMP		9	/* secure computing */
#define TIF_SYSCALL_AUDIT	10	/* syscall auditing active */
#define TIF_SYSCALL_TRACEPOINT	11	/* syscall tracepoint instrumentation */
/* NOTE: Thread flags >= 12 should be ones we have no interest
 *       in using in assembly, else we can't use the mask as
 *       an immediate value in instructions such as andcc.
 */
/* flag bit 12 is available */
#define TIF_MEMDIE		13	/* is terminating due to OOM killer */
#define TIF_POLLING_NRFLAG	14

#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_UNALIGNED		(1<<TIF_UNALIGNED)
#define _TIF_32BIT		(1<<TIF_32BIT)
#define _TIF_SECCOMP		(1<<TIF_SECCOMP)
#define _TIF_SYSCALL_AUDIT	(1<<TIF_SYSCALL_AUDIT)
#define _TIF_SYSCALL_TRACEPOINT	(1<<TIF_SYSCALL_TRACEPOINT)
#define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)

#define _TIF_USER_WORK_MASK	((0xff << TI_FLAG_WSAVED_SHIFT) | \
				 _TIF_DO_NOTIFY_RESUME_MASK | \
				 _TIF_NEED_RESCHED)
#define _TIF_DO_NOTIFY_RESUME_MASK	(_TIF_NOTIFY_RESUME | _TIF_SIGPENDING)

/*
 * Thread-synchronous status.
 *
 * This is different from the flags in that nobody else
 * ever touches our thread-synchronous status, so we don't
 * have to worry about atomic accesses.
 *
 * Note that there are only 8 bits available.
 */
#define TS_RESTORE_SIGMASK	0x0001	/* restore signal mask in do_signal() */

#ifndef __ASSEMBLY__
#define HAVE_SET_RESTORE_SIGMASK	1
static inline void set_restore_sigmask(void)
{
	struct thread_info *ti = current_thread_info();
	ti->status |= TS_RESTORE_SIGMASK;
	WARN_ON(!test_bit(TIF_SIGPENDING, &ti->flags));
}
static inline void clear_restore_sigmask(void)
{
	current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
}
static inline bool test_restore_sigmask(void)
{
	return current_thread_info()->status & TS_RESTORE_SIGMASK;
}
static inline bool test_and_clear_restore_sigmask(void)
{
	struct thread_info *ti = current_thread_info();
	if (!(ti->status & TS_RESTORE_SIGMASK))
		return false;
	ti->status &= ~TS_RESTORE_SIGMASK;
	return true;
}
#endif	/* !__ASSEMBLY__ */

#endif /* __KERNEL__ */

#endif /* _ASM_THREAD_INFO_H */
Commit	Line	Data
f5e706ad SR	1	/* thread_info.h: sparc64 low-level thread information
	2	*
	3	* Copyright (C) 2002 David S. Miller (davem@redhat.com)
	4	*/
	5
	6	#ifndef _ASM_THREAD_INFO_H
	7	#define _ASM_THREAD_INFO_H
	8
	9	#ifdef __KERNEL__
	10
	11	#define NSWINS 7
	12
	13	#define TI_FLAG_BYTE_FAULT_CODE 0
	14	#define TI_FLAG_FAULT_CODE_SHIFT 56
	15	#define TI_FLAG_BYTE_WSTATE 1
	16	#define TI_FLAG_WSTATE_SHIFT 48
	17	#define TI_FLAG_BYTE_CWP 2
	18	#define TI_FLAG_CWP_SHIFT 40
	19	#define TI_FLAG_BYTE_CURRENT_DS 3
	20	#define TI_FLAG_CURRENT_DS_SHIFT 32
40138249 AV	21	#define TI_FLAG_BYTE_NOERROR 4
	22	#define TI_FLAG_BYTE_NOERROR_SHIFT 24
	23	#define TI_FLAG_BYTE_FPDEPTH 5
	24	#define TI_FLAG_FPDEPTH_SHIFT 16
	25	#define TI_FLAG_BYTE_WSAVED 6
	26	#define TI_FLAG_WSAVED_SHIFT 8
f5e706ad SR	27
	28	#include <asm/page.h>
	29
	30	#ifndef __ASSEMBLY__
	31
	32	#include <asm/ptrace.h>
	33	#include <asm/types.h>
	34
	35	struct task_struct;
	36	struct exec_domain;
	37
	38	struct thread_info {
	39	/* D$ line 1 */
	40	struct task_struct *task;
	41	unsigned long flags;
	42	__u8 fpsaved[7];
	43	__u8 status;
	44	unsigned long ksp;
	45
	46	/* D$ line 2 */
	47	unsigned long fault_address;
	48	struct pt_regs *kregs;
	49	struct exec_domain *exec_domain;
	50	int preempt_count; /* 0 => preemptable, <0 => BUG */
	51	__u8 new_child;
40138249	52	__u8 __pad;
f5e706ad SR	53	__u16 cpu;
	54
	55	unsigned long *utraps;
	56
	57	struct reg_window reg_window[NSWINS];
	58	unsigned long rwbuf_stkptrs[NSWINS];
	59
	60	unsigned long gsr[7];
	61	unsigned long xfsr[7];
	62
f5e706ad SR	63	struct restart_block restart_block;
	64
	65	struct pt_regs *kern_una_regs;
	66	unsigned int kern_una_insn;
	67
	68	unsigned long fpregs[0] __attribute__ ((aligned(64)));
	69	};
	70
	71	#endif /* !(__ASSEMBLY__) */
	72
	73	/* offsets into the thread_info struct for assembly code access */
	74	#define TI_TASK 0x00000000
	75	#define TI_FLAGS 0x00000008
	76	#define TI_FAULT_CODE (TI_FLAGS + TI_FLAG_BYTE_FAULT_CODE)
	77	#define TI_WSTATE (TI_FLAGS + TI_FLAG_BYTE_WSTATE)
	78	#define TI_CWP (TI_FLAGS + TI_FLAG_BYTE_CWP)
	79	#define TI_CURRENT_DS (TI_FLAGS + TI_FLAG_BYTE_CURRENT_DS)
	80	#define TI_FPDEPTH (TI_FLAGS + TI_FLAG_BYTE_FPDEPTH)
	81	#define TI_WSAVED (TI_FLAGS + TI_FLAG_BYTE_WSAVED)
40138249	82	#define TI_SYS_NOERROR (TI_FLAGS + TI_FLAG_BYTE_NOERROR)
f5e706ad SR	83	#define TI_FPSAVED 0x00000010
	84	#define TI_KSP 0x00000018
	85	#define TI_FAULT_ADDR 0x00000020
	86	#define TI_KREGS 0x00000028
	87	#define TI_EXEC_DOMAIN 0x00000030
	88	#define TI_PRE_COUNT 0x00000038
	89	#define TI_NEW_CHILD 0x0000003c
f5e706ad SR	90	#define TI_CPU 0x0000003e
	91	#define TI_UTRAPS 0x00000040
	92	#define TI_REG_WINDOW 0x00000048
	93	#define TI_RWIN_SPTRS 0x000003c8
	94	#define TI_GSR 0x00000400
	95	#define TI_XFSR 0x00000438
c7d5a005 DM	96	#define TI_RESTART_BLOCK 0x00000470
	97	#define TI_KUNA_REGS 0x000004a0
	98	#define TI_KUNA_INSN 0x000004a8
	99	#define TI_FPREGS 0x000004c0
f5e706ad SR	100
	101	/* We embed this in the uppermost byte of thread_info->flags */
	102	#define FAULT_CODE_WRITE 0x01 /* Write access, implies D-TLB */
	103	#define FAULT_CODE_DTLB 0x02 /* Miss happened in D-TLB */
	104	#define FAULT_CODE_ITLB 0x04 /* Miss happened in I-TLB */
	105	#define FAULT_CODE_WINFIXUP 0x08 /* Miss happened during spill/fill */
	106	#define FAULT_CODE_BLKCOMMIT 0x10 /* Use blk-commit ASI in copy_page */
	107
	108	#if PAGE_SHIFT == 13
	109	#define THREAD_SIZE (2*PAGE_SIZE)
	110	#define THREAD_SHIFT (PAGE_SHIFT + 1)
	111	#else /* PAGE_SHIFT == 13 */
	112	#define THREAD_SIZE PAGE_SIZE
	113	#define THREAD_SHIFT PAGE_SHIFT
	114	#endif /* PAGE_SHIFT == 13 */
	115
6c94b1ee	116	#define PREEMPT_ACTIVE 0x10000000
f5e706ad SR	117
	118	/*
	119	* macros/functions for gaining access to the thread information structure
f5e706ad SR	120	*/
	121	#ifndef __ASSEMBLY__
	122
	123	#define INIT_THREAD_INFO(tsk) \
	124	{ \
	125	.task = &tsk, \
	126	.flags = ((unsigned long)ASI_P) << TI_FLAG_CURRENT_DS_SHIFT, \
	127	.exec_domain = &default_exec_domain, \
c99e6efe	128	.preempt_count = INIT_PREEMPT_COUNT, \
f5e706ad SR	129	.restart_block = { \
	130	.fn = do_no_restart_syscall, \
	131	}, \
	132	}
	133
	134	#define init_thread_info (init_thread_union.thread_info)
	135	#define init_stack (init_thread_union.stack)
	136
	137	/* how to get the thread information struct from C */
	138	register struct thread_info *current_thread_info_reg asm("g6");
	139	#define current_thread_info() (current_thread_info_reg)
	140
	141	/* thread information allocation */
	142	#if PAGE_SHIFT == 13
66bb4cda	143	#define THREAD_SIZE_ORDER 1
f5e706ad	144	#else /* PAGE_SHIFT == 13 */
66bb4cda	145	#define THREAD_SIZE_ORDER 0
f5e706ad SR	146	#endif /* PAGE_SHIFT == 13 */
f5e706ad SR	147
f5e706ad SR	148	#define __thread_flag_byte_ptr(ti) \
	149	((unsigned char *)(&((ti)->flags)))
	150	#define __cur_thread_flag_byte_ptr __thread_flag_byte_ptr(current_thread_info())
	151
	152	#define get_thread_fault_code() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FAULT_CODE])
	153	#define set_thread_fault_code(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FAULT_CODE] = (val))
	154	#define get_thread_wstate() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSTATE])
	155	#define set_thread_wstate(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSTATE] = (val))
	156	#define get_thread_cwp() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP])
	157	#define set_thread_cwp(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP] = (val))
	158	#define get_thread_current_ds() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS])
	159	#define set_thread_current_ds(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS] = (val))
40138249 AV	160	#define get_thread_noerror() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_NOERROR])
40138249 AV	161	#define set_thread_noerror(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_NOERROR] = (val))
f5e706ad SR	162	#define get_thread_fpdepth() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH])
	163	#define set_thread_fpdepth(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH] = (val))
	164	#define get_thread_wsaved() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED])
	165	#define set_thread_wsaved(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED] = (val))
	166
	167	#endif /* !(__ASSEMBLY__) */
	168
	169	/*
	170	* Thread information flags, only 16 bits are available as we encode
	171	* other values into the upper 6 bytes.
	172	*
	173	* On trap return we need to test several values:
	174	*
c7d5a005	175	* user: need_resched, notify_resume, sigpending, wsaved
f5e706ad SR	176	* kernel: fpdepth
	177	*
	178	* So to check for work in the kernel case we simply load the fpdepth
	179	* byte out of the flags and test it. For the user case we encode the
	180	* lower 3 bytes of flags as follows:
	181	* ----------------------------------------
	182	* \| wsaved \| flags byte 1 \| flags byte 2 \|
	183	* ----------------------------------------
	184	* This optimizes the user test into:
	185	* ldx [%g6 + TI_FLAGS], REG1
	186	* sethi %hi(_TIF_USER_WORK_MASK), REG2
	187	* or REG2, %lo(_TIF_USER_WORK_MASK), REG2
	188	* andcc REG1, REG2, %g0
	189	* be,pt no_work_to_do
	190	* nop
	191	*/
	192	#define TIF_SYSCALL_TRACE 0 /* syscall trace active */
e35a8925	193	#define TIF_NOTIFY_RESUME 1 /* callback before returning to user */
f5e706ad SR	194	#define TIF_SIGPENDING 2 /* signal pending */
f5e706ad SR	195	#define TIF_NEED_RESCHED 3 /* rescheduling necessary */
c7d5a005	196	/* flag bit 4 is available */
f5e706ad SR	197	#define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */
	198	/* flag bit 6 is available */
	199	#define TIF_32BIT 7 /* 32-bit binary */
	200	/* flag bit 8 is available */
	201	#define TIF_SECCOMP 9 /* secure computing */
	202	#define TIF_SYSCALL_AUDIT 10 /* syscall auditing active */
c658ad1b	203	#define TIF_SYSCALL_TRACEPOINT 11 /* syscall tracepoint instrumentation */
f5e706ad SR	204	/* NOTE: Thread flags >= 12 should be ones we have no interest
	205	* in using in assembly, else we can't use the mask as
	206	* an immediate value in instructions such as andcc.
	207	*/
94673e96	208	/* flag bit 12 is available */
0ddc9324	209	#define TIF_MEMDIE 13 /* is terminating due to OOM killer */
f5e706ad SR	210	#define TIF_POLLING_NRFLAG 14
	211
	212	#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
e35a8925	213	#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
f5e706ad SR	214	#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
f5e706ad SR	215	#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
f5e706ad SR	216	#define _TIF_UNALIGNED (1<<TIF_UNALIGNED)
	217	#define _TIF_32BIT (1<<TIF_32BIT)
	218	#define _TIF_SECCOMP (1<<TIF_SECCOMP)
	219	#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
c658ad1b	220	#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
f5e706ad SR	221	#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
	222
	223	#define _TIF_USER_WORK_MASK ((0xff << TI_FLAG_WSAVED_SHIFT) \| \
e35a8925	224	_TIF_DO_NOTIFY_RESUME_MASK \| \
c7d5a005	225	_TIF_NEED_RESCHED)
e35a8925	226	#define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME \| _TIF_SIGPENDING)
f5e706ad SR	227
	228	/*
	229	* Thread-synchronous status.
	230	*
	231	* This is different from the flags in that nobody else
	232	* ever touches our thread-synchronous status, so we don't
	233	* have to worry about atomic accesses.
	234	*
	235	* Note that there are only 8 bits available.
	236	*/
	237	#define TS_RESTORE_SIGMASK 0x0001 /* restore signal mask in do_signal() */
	238
	239	#ifndef __ASSEMBLY__
	240	#define HAVE_SET_RESTORE_SIGMASK 1
	241	static inline void set_restore_sigmask(void)
	242	{
	243	struct thread_info *ti = current_thread_info();
	244	ti->status \|= TS_RESTORE_SIGMASK;
edd63a27	245	WARN_ON(!test_bit(TIF_SIGPENDING, &ti->flags));
f5e706ad	246	}
4ebefe3e AV	247	static inline void clear_restore_sigmask(void)
	248	{
	249	current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
	250	}
	251	static inline bool test_restore_sigmask(void)
	252	{
	253	return current_thread_info()->status & TS_RESTORE_SIGMASK;
	254	}
	255	static inline bool test_and_clear_restore_sigmask(void)
	256	{
	257	struct thread_info *ti = current_thread_info();
	258	if (!(ti->status & TS_RESTORE_SIGMASK))
	259	return false;
	260	ti->status &= ~TS_RESTORE_SIGMASK;
	261	return true;
	262	}
f5e706ad SR	263	#endif /* !__ASSEMBLY__ */
	264
	265	#endif /* __KERNEL__ */
	266
	267	#endif /* _ASM_THREAD_INFO_H */