Lines Matching +full:block +full:- +full:copy

1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
10  * Copyright (c) 2015-2018 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
17 	RSEQ_CPU_ID_UNINITIALIZED		= -1,
18 	RSEQ_CPU_ID_REGISTRATION_FAILED		= -2,
42  * contained within a single cache-line. It is usually declared as
43  * link-time constant data.
58  * contained within a single cache-line.
65 	 * kernel. Read by user-space with single-copy atomicity
67 	 * registered this data structure. Aligned on 32-bit. Always
78 	 * Read by user-space with single-copy atomicity semantics. This
80 	 * data structure. Aligned on 32-bit. Values
97 	 * Updated by user-space, which sets the address of the currently
99 	 * block, and set to NULL by the kernel when it restarts an assembly
100 	 * instruction sequence block, as well as when the kernel detects that
102 	 * targeted by the rseq_cs. Also needs to be set to NULL by user-space
105 	 * Read and set by the kernel. Set by user-space with single-copy
107 	 * thread which registered this data structure. Aligned on 64-bit.
109 	 * 32-bit architectures should update the low order bits of the
119 	 * Mainly used for single-stepping through rseq critical sections
122 	 * - RSEQ_CS_FLAG_NO_RESTART_ON_PREEMPT
123 	 *     Inhibit instruction sequence block restart on preemption
125 	 * - RSEQ_CS_FLAG_NO_RESTART_ON_SIGNAL
126 	 *     Inhibit instruction sequence block restart on signal
128 	 * - RSEQ_CS_FLAG_NO_RESTART_ON_MIGRATE
129 	 *     Inhibit instruction sequence block restart on migration for
136 	 * user-space with single-copy atomicity semantics. This field should
138 	 * Aligned on 32-bit. Contains the current NUMA node ID.
144 	 * user-space with single-copy atomicity semantics. This field should
146 	 * Aligned on 32-bit. Contains the current thread's concurrency ID