| /Documentation/livepatch/ |
| D | reliable-stacktrace.rst | 36 return code is zero to indicate that the trace is reliable.
38 * The return code is non-zero to indicate that the trace is not reliable.
47 function should attempt to detect such cases and return a non-zero error
139 body the return address may be held in an arbitrary general purpose register.
159 4.4 Rewriting of return addresses
162 Some trampolines temporarily modify the return address of a function in order
163 to intercept when that function returns with a return trampoline, e.g.
165 * An ftrace trampoline may modify the return address so that function graph
168 * A kprobes (or optprobes) trampoline may modify the return address so that
171 When this happens, the original return address will not be in its usual
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| /Documentation/admin-guide/hw-vuln/ |
| D | cross-thread-rsb.rst | 4 Cross-Thread Return Address Predictions
7 Certain AMD and Hygon processors are subject to a cross-thread return address
9 transitions out of C0 state, the other sibling thread could use return target
12 The Spectre v2 mitigations protect the Linux kernel, as it fills the return
15 transitioning out of C0. This could result in a guest-controlled return target
32 CVE-2022-27672 Cross-Thread Return Address Predictions
46 In affected processors, the return address predictor (RAP) is partitioned
50 pointers (which control the next return target to use for predictions) may
51 change. This behavior may result in return targets from one SMT thread being
54 use a return target from the thread that just became idle. In theory, this
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| /Documentation/userspace-api/ioctl/ |
| D | cdrom.rst | 49 CDROMGETSPINDOWN return 4-bit spindown value
83 Unless otherwise specified, all ioctl calls return 0 on success
85 ioctls return non-negative data values.)
87 Unless otherwise specified, all ioctl calls return -1 and set
91 Individual drivers may return error codes not listed here.
116 error return:
137 error return:
161 error return:
192 error return:
221 error return:
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| /Documentation/trace/ |
| D | function-graph-fold.vim | 18 return '>1'
20 return 'a1'
22 return 's1'
24 return '='
36 return join(s, '|')
|
| D | kprobes.rst | 11 1. Concepts: Kprobes, and Return Probes
25 Concepts: Kprobes and Return Probes
37 (also called return probes). A kprobe can be inserted on virtually
38 any instruction in the kernel. A return probe fires when a specified
95 registers) in pre_handler, you must return !0 so that kprobes stops
104 Return Probes
107 How Does a Return Probe Work?
112 probe is hit, Kprobes saves a copy of the return address, and replaces
113 the return address with the address of a "trampoline." The trampoline
117 When the probed function executes its return instruction, control
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| D | ftrace-design.rst | 60 so return immediately. If it isn't, then call that function in the same way
68 - "frompc" - the address bar() will use to return to foo()
83 return;
96 return;
103 unsigned long selfpc = <return address> - MCOUNT_INSN_SIZE;
121 some functions to save (hijack) and restore the return address.
135 located on the stack. This allows the function to hijack the return address
138 that will return the original return address with which you can return to the
168 unsigned long selfpc = <return address> - MCOUNT_INSN_SIZE;
186 return values).
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| /Documentation/features/sched/membarrier-sync-core/ |
| D | arch-support.txt | 10 # Rely on implicit context synchronization as a result of exception return
15 # riscv uses xRET as return from interrupt and to return to user-space.
20 # - by calling sync_core_before_usermode() on return from interrupt (cf.
31 # x86-32 uses IRET as return from interrupt, which takes care of the IPI.
35 # x86-64 uses IRET as return from interrupt, which takes care of the IPI.
36 # However, it can return to user-space through either SYSRETL (compat code),
|
| /Documentation/userspace-api/media/rc/ |
| D | keytable.c.rst | 40 return;
56 return p->value;
59 return -1;
72 return -1;
77 return(-1);
99 return 0;
110 return -1;
126 return -1;
132 return -1;
139 return -1;
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| /Documentation/ |
| D | atomic_bitops.txt | 18 RMW atomic operations without return value:
23 RMW atomic operations with return value:
47 The test_and_{}_bit() operations return the original value of the bit.
57 - RMW operations that have no return value are unordered;
59 - RMW operations that have a return value are fully ordered.
|
| /Documentation/arch/x86/x86_64/ |
| D | fred.rst | 4 Flexible Return and Event Delivery (FRED)
16 delivery) and event return by the IRET instruction with lower
20 establishes the full supervisor context and that event return
24 delivery and, for returning from events, two FRED return instructions.
27 instruction (ERETU) effects a return from ring 0 to ring 3, while the
29 event delivery and the FRED return instructions are FRED transitions.
57 context upon event delivery and return. Thus it avoids the problem of
61 FRED allows explicit unblock of NMI with new event return instructions
94 Only execution of a FRED return instruction ERET[US], could lower the
|
| /Documentation/driver-api/firmware/ |
| D | lookup-order.rst | 10 return it immediately
12 return it immediately
14 return it immediately
16 firmware_request_platform() is used, if found we return it immediately
|
| /Documentation/crypto/ |
| D | api-samples.rst | 36 return PTR_ERR(tfm);
89 return err;
112 return ERR_PTR(-ENOMEM);
114 return sdesc;
127 return PTR_ERR(sdesc);
132 return ret;
145 return PTR_ERR(alg);
149 return ret;
167 return -EINVAL;
173 return PTR_ERR(rng);
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| /Documentation/sphinx/ |
| D | automarkup.py | 117 # append its return to the text
124 return repl
132 return (target) in failed_lookups
176 return xref
179 return target_text
235 return xref
237 return target_text
266 # Return the xref if we got it; otherwise just return the plain text.
269 return xref
271 return nodes.Text(match.group(0))
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| D | cdomain.py | 65 return ""
72 return ".. c:function:: " + match.group(1) + ' ' + match.group(2)
81 return ".. c:type:: " + match.group(2)
89 return ":c:type:`" + match.group(2) + '`'
96 return '\\ ``' + match.group(2) + '``\\ '
132 return dict(
157 return False
168 return False
175 return False
191 return fullname
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| /Documentation/userspace-api/ |
| D | seccomp_filter.rst | 55 metadata. The BPF program must then return one of the
65 call will return -1 and set errno to ``EINVAL``.
84 Return values
87 A seccomp filter may return any of the following values. If multiple
88 filters exist, the return value for the evaluation of a given system
111 instruction). The return value register will contain an arch-
116 The ``SECCOMP_RET_DATA`` portion of the return value will be passed
122 Results in the lower 16-bits of the return value being passed
139 the BPF program return value will be available to the tracer
146 appear to return the value that the tracer puts in the return value
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| D | vduse.rst | 59 return -ENOMEM;
85 return 0;
92 return -1;
121 return -1;
133 return -1;
135 return 0;
140 - VDUSE_GET_VQ_STATE: Get the state for virtqueue, userspace should return
182 return prot;
197 * range [start, last] and return the corresponding file descriptor.
201 return NULL;
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| /Documentation/input/ |
| D | notifier.rst | 25 For each kind of event but the last, the callback may return NOTIFY_STOP in
37 return;
43 return;
45 return;
50 return;
|
| /Documentation/bpf/ |
| D | map_cpumap.rst | 42 The lower two bits of ``flags`` are used as the return code if the map lookup
43 fails. This is so that the return value can be one of the XDP program return
94 helper. This helper will return 0 on success, or negative error in case of
138 return XDP_ABORTED;
147 return XDP_ABORTED;
151 return XDP_ABORTED;
153 return bpf_redirect_map(&cpu_map, cpu_dest, 0);
169 return -1;
171 return 0;
|
| D | prog_cgroup_sockopt.rst | 34 Return Type
56 Return Type
60 * ``1`` - success: copy ``optval`` and ``optlen`` to userspace, return
120 return 1;
128 return 1;
135 return 1;
145 return 1;
151 return 1;
158 return 1;
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| D | map_array.rst | 129 return 0;
136 return 0;
164 return fd;
181 return ret;
184 return ret;
199 return ret;
204 return ret;
226 return ret;
229 return ret;
245 return ret;
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| /Documentation/wmi/devices/ |
| D | msi-wmi-platform.rst | 43 [WmiMethodId(1), Implemented, read, write, Description("Return the contents of a package")]
49 [WmiMethodId(3), Implemented, read, write, Description("Return the contents of a package")]
55 [WmiMethodId(5), Implemented, read, write, Description("Return the contents of a package")]
61 [WmiMethodId(7), Implemented, read, write, Description("Return the contents of a package")]
67 [WmiMethodId(9), Implemented, read, write, Description("Return the contents of a package")]
73 [WmiMethodId(11), Implemented, read, write, Description("Return the contents of a package")]
79 [WmiMethodId(13), Implemented, read, write, Description("Return the contents of a package")]
85 [WmiMethodId(15), Implemented, read, write, Description("Return the contents of a package")]
91 [WmiMethodId(17), Implemented, read, write, Description("Return the contents of a package")]
97 [WmiMethodId(19), Implemented, read, write, Description("Return the contents of a package")]
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| D | dell-wmi-ddv.rst | 57 …[WmiMethodId(1), Implemented, read, write, Description("Return Battery Design Capacity.")] void Ba…
58 …[WmiMethodId(2), Implemented, read, write, Description("Return Battery Full Charge Capacity.")] vo…
59 …[WmiMethodId(3), Implemented, read, write, Description("Return Battery Manufacture Name.")] void B…
60 …[WmiMethodId(4), Implemented, read, write, Description("Return Battery Manufacture Date.")] void B…
61 …[WmiMethodId(5), Implemented, read, write, Description("Return Battery Serial Number.")] void Batt…
62 …[WmiMethodId(6), Implemented, read, write, Description("Return Battery Chemistry Value.")] void Ba…
63 …[WmiMethodId(7), Implemented, read, write, Description("Return Battery Temperature.")] void Batter…
64 …[WmiMethodId(8), Implemented, read, write, Description("Return Battery Current.")] void BatteryCur…
65 …[WmiMethodId(9), Implemented, read, write, Description("Return Battery Voltage.")] void BatteryVol…
66 …[WmiMethodId(10), Implemented, read, write, Description("Return Battery Manufacture Access(MA code…
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| /Documentation/translations/zh_CN/accounting/ |
| D | psi.rst | 116 return 1;
123 return 1;
131 return 1;
135 return 0;
141 return 1;
145 return 0;
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| /Documentation/staging/ |
| D | speculation.rst | 27 return 0;
29 return array[index];
58 return val2;
61 Under speculation, the first call to load_array() may return the value
87 return 0;
90 return array[index];
|
| /Documentation/arch/arm/samsung/ |
| D | clksrc-change-registers.awk | 14 return substr(s, eqat+2, (comat-eqat)-2)
19 return substr(b, 2, length(b)-2)
36 return 1
38 return 2
40 return 3
42 return 4
56 return substr(s, id+2)
|