thread_info_tif.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_GENERIC_THREAD_INFO_TIF_H_
 3#define _ASM_GENERIC_THREAD_INFO_TIF_H_
 4
 5#include <vdso/bits.h>
 6
 7/* Bits 16-31 are reserved for architecture specific purposes */
 8
 9#define TIF_NOTIFY_RESUME	0	// callback before returning to user
10#define _TIF_NOTIFY_RESUME	BIT(TIF_NOTIFY_RESUME)
11
12#define TIF_SIGPENDING		1	// signal pending
13#define _TIF_SIGPENDING		BIT(TIF_SIGPENDING)
14
15#define TIF_NOTIFY_SIGNAL	2	// signal notifications exist
16#define _TIF_NOTIFY_SIGNAL	BIT(TIF_NOTIFY_SIGNAL)
17
18#define TIF_MEMDIE		3	// is terminating due to OOM killer
19#define _TIF_MEMDIE		BIT(TIF_MEMDIE)
20
21#define TIF_NEED_RESCHED	4	// rescheduling necessary
22#define _TIF_NEED_RESCHED	BIT(TIF_NEED_RESCHED)
23
24#ifdef HAVE_TIF_NEED_RESCHED_LAZY
25# define TIF_NEED_RESCHED_LAZY	5	// Lazy rescheduling needed
26# define _TIF_NEED_RESCHED_LAZY	BIT(TIF_NEED_RESCHED_LAZY)
27#endif
28
29#ifdef HAVE_TIF_POLLING_NRFLAG
30# define TIF_POLLING_NRFLAG	6	// idle is polling for TIF_NEED_RESCHED
31# define _TIF_POLLING_NRFLAG	BIT(TIF_POLLING_NRFLAG)
32#endif
33
34#define TIF_USER_RETURN_NOTIFY	7	// notify kernel of userspace return
35#define _TIF_USER_RETURN_NOTIFY	BIT(TIF_USER_RETURN_NOTIFY)
36
37#define TIF_UPROBE		8	// breakpointed or singlestepping
38#define _TIF_UPROBE		BIT(TIF_UPROBE)
39
40#define TIF_PATCH_PENDING	9	// pending live patching update
41#define _TIF_PATCH_PENDING	BIT(TIF_PATCH_PENDING)
42
43#ifdef HAVE_TIF_RESTORE_SIGMASK
44# define TIF_RESTORE_SIGMASK	10	// Restore signal mask in do_signal() */
45# define _TIF_RESTORE_SIGMASK	BIT(TIF_RESTORE_SIGMASK)
46#endif
47
48#define TIF_RSEQ		11	// Run RSEQ fast path
49#define _TIF_RSEQ		BIT(TIF_RSEQ)
50
51#endif /* _ASM_GENERIC_THREAD_INFO_TIF_H_ */