| /Linux-v5.15/Documentation/driver-api/driver-model/ |
| D | design-patterns.rst | 24 struct foo {
31 struct foo *foo;
33 foo = devm_kzalloc(dev, sizeof(*foo), GFP_KERNEL);
34 if (!foo)
36 spin_lock_init(&foo->lock);
40 This will create an instance of struct foo in memory every time probe() is
46 pass around a pointer to struct foo like this::
50 struct foo *foo = arg;
56 struct foo *foo;
59 ret = request_irq(irq, foo_handler, 0, "foo", foo);
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| /Linux-v5.15/samples/trace_events/ |
| D | trace-events-sample.h | 70 * Here it is trace_foo_bar(char *foo, int bar).
73 * Here it is simply "foo, bar".
85 * __field(int, foo)
87 * __entry->foo = 5;
94 * __field_struct(struct bar, foo)
102 * __array( char, foo, 10) is the same as saying: char foo[10];
106 * __entry->foo[0] = 'a';
108 * memcpy(__entry->foo, bar, 10);
119 * __dynamic_array( int, foo, bar) is similar to: int foo[bar];
124 * memcpy(__get_dynamic_array(foo), bar, 10);
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| /Linux-v5.15/samples/kobject/ |
| D | kset-example.c | 18 * Then tree kobjects are created and assigned to this kset, "foo", "baz",
31 int foo; member
40 ssize_t (*show)(struct foo_obj *foo, struct foo_attribute *attr, char *buf);
41 ssize_t (*store)(struct foo_obj *foo, struct foo_attribute *attr, const char *buf, size_t count);
57 struct foo_obj *foo; in foo_attr_show() local
60 foo = to_foo_obj(kobj); in foo_attr_show()
65 return attribute->show(foo, attribute, buf); in foo_attr_show()
77 struct foo_obj *foo; in foo_attr_store() local
80 foo = to_foo_obj(kobj); in foo_attr_store()
85 return attribute->store(foo, attribute, buf, len); in foo_attr_store()
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| D | kobject-example.c | 17 * "foo", "baz", and "bar". If an integer is written to these files, it can be
21 static int foo; variable
26 * The "foo" file where a static variable is read from and written to.
31 return sprintf(buf, "%d\n", foo); in foo_show()
39 ret = kstrtoint(buf, 10, &foo); in foo_store()
48 __ATTR(foo, 0664, foo_show, foo_store);
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| /Linux-v5.15/tools/memory-model/Documentation/ |
| D | access-marking.txt | 220 For example, ASSERT_EXCLUSIVE_ACCESS(foo) tells KCSAN that any
221 concurrent access to variable foo by any other CPU is an error, even
223 ASSERT_EXCLUSIVE_WRITER(foo) tells KCSAN that although it is OK for there
224 to be concurrent reads from foo from other CPUs, it is an error for some
225 other CPU to be concurrently writing to foo, even if that concurrent
246 For example, suppose a shared variable "foo" is read only while a
251 int foo;
257 foo = newval;
268 ret = foo;
275 pr_info("Current value of foo: %d\n", data_race(foo));
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| /Linux-v5.15/tools/testing/selftests/bpf/prog_tests/ |
| D | cgroup_attach_override.c | 7 #define FOO "/foo" macro
8 #define BAR "/foo/bar/"
28 int drop_prog = -1, allow_prog = -1, foo = -1, bar = -1; in test_cgroup_attach_override() local
41 foo = test__join_cgroup(FOO); in test_cgroup_attach_override()
42 if (CHECK(foo < 0, "cgroup_join_foo", "cgroup setup failed\n")) in test_cgroup_attach_override()
45 if (CHECK(bpf_prog_attach(drop_prog, foo, BPF_CGROUP_INET_EGRESS, in test_cgroup_attach_override()
48 "attach prog to %s failed, errno=%d\n", FOO, errno)) in test_cgroup_attach_override()
87 if (CHECK(bpf_prog_detach(foo, BPF_CGROUP_INET_EGRESS), in test_cgroup_attach_override()
89 "detach prog from %s failed, errno=%d\n", FOO, errno)) in test_cgroup_attach_override()
111 if (CHECK(!bpf_prog_detach(foo, BPF_CGROUP_INET_EGRESS), in test_cgroup_attach_override()
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| /Linux-v5.15/tools/testing/selftests/net/ |
| D | unicast_extensions.sh | 61 # foo --- bar
64 # Caller must set up foo-ns and bar-ns namespaces
65 # containing linked veth devices foo and bar,
68 ip -n foo-ns address add $1/$3 dev foo || return 1
69 ip -n foo-ns link set foo up || return 1
73 ip netns exec foo-ns timeout 2 ping -c 1 $2 || return 1
76 nettest -B -N bar-ns -O foo-ns -r $1 || return 1
77 nettest -B -N foo-ns -O bar-ns -r $2 || return 1
85 # [foo] <---> [foo1]-[bar1] <---> [bar] /prefix
91 # Caller must set up foo-ns, bar-ns, and router-ns
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| /Linux-v5.15/tools/testing/selftests/ftrace/test.d/instances/ |
| D | instance-event.tc | 7 rmdir foo 2>/dev/null
29 mkdir foo 2> /dev/null
30 rmdir foo 2> /dev/null
36 cat foo/trace 1> /dev/null 2>&1
42 echo 1 > foo/events/sched/sched_switch
69 mkdir foo
70 ls foo > /dev/null
71 rmdir foo
72 if [ -d foo ]; then
73 fail "foo still exists"
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| /Linux-v5.15/Documentation/admin-guide/ |
| D | bootconfig.rst | 48 foo.bar.baz = value1
49 foo.bar.qux.quux = value2
53 foo.bar {
60 foo.bar { baz = value1; qux.quux = value2 }
71 foo = bar, baz
72 foo = qux # !ERROR! we can not re-define same key
77 foo = bar, baz
78 foo := qux
80 then, the ``qux`` is assigned to ``foo`` key. This is useful for
87 foo = bar, baz
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| D | dynamic-debug-howto.rst | 271 If ``foo`` module is not built-in, ``foo.dyndbg`` will still be processed at
280 When ``modprobe foo`` is called, modprobe scans ``/proc/cmdline`` for
281 ``foo.params``, strips ``foo.``, and passes them to the kernel along with
287 options foo dyndbg=+pt
288 options foo dyndbg # defaults to +p
290 2. ``foo.dyndbg`` as given in boot args, ``foo.`` is stripped and passed::
292 foo.dyndbg=" func bar +p; func buz +mp"
296 modprobe foo dyndbg==pmf # override previous settings
303 In the ``foo.dyndbg="QUERY"`` form, the query must exclude ``module foo``.
304 ``foo`` is extracted from the param-name, and applied to each query in
|
| /Linux-v5.15/drivers/gpu/drm/nouveau/include/nvif/ |
| D | list.h | 36 * We need to keep a list of struct foo in the parent struct bar, i.e. what
41 * struct foo *list_of_foos; -----> struct foo {}, struct foo {}, struct foo{}
54 * struct foo {
68 * struct foo *foo = malloc(...);
70 * list_add(&foo->entry, &bar.list_of_foos);
74 * list_del(&foo->entry);
75 * free(foo);
80 * Looping through the list requires a 'struct foo' as iterator and the
83 * struct foo *iterator;
92 * struct foo *iterator, *next;
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| /Linux-v5.15/tools/perf/Documentation/ |
| D | callchain-overhead-calculation.txt | 24 void foo(void) {
30 foo();
39 In this case 'foo' is a child of 'bar', and 'bar' is an immediate
40 child of 'main' so 'foo' also is a child of 'main'. In other words,
41 'main' is a parent of 'foo' and 'bar', and 'bar' is a parent of 'foo'.
43 Suppose all samples are recorded in 'foo' and 'bar' only. When it's
50 60.00% foo
52 --- foo
65 child functions (i.e. 'foo' and 'bar') are added to the parents to
87 60.00% 60.00% foo
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| /Linux-v5.15/lib/ |
| D | test_debug_virtual.c | 16 struct foo { struct
20 static struct foo *foo; argument
32 foo = kzalloc(sizeof(*foo), GFP_KERNEL); in test_debug_virtual_init()
33 if (!foo) in test_debug_virtual_init()
36 pa = virt_to_phys(foo); in test_debug_virtual_init()
37 va = foo; in test_debug_virtual_init()
46 kfree(foo); in test_debug_virtual_exit()
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| /Linux-v5.15/Documentation/driver-api/ |
| D | pin-control.rst | 75 .name = "foo",
362 group "foo"::
364 pinctrl_get_group_pins(pctl, "foo", &gpio_range.pins,
948 PIN_MAP_MUX_GROUP("uart", PINCTRL_STATE_DEFAULT, "pinctrl-foo",
950 PIN_MAP_CONFIGS_PIN("uart", PINCTRL_STATE_DEFAULT, "pinctrl-foo",
952 PIN_MAP_MUX_GROUP("uart", PINCTRL_STATE_SLEEP, "pinctrl-foo",
954 PIN_MAP_CONFIGS_PIN("uart", PINCTRL_STATE_SLEEP, "pinctrl-foo",
1004 .dev_name = "foo-spi.0",
1007 .ctrl_dev_name = "pinctrl-foo",
1011 .dev_name = "foo-i2c.0",
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| /Linux-v5.15/Documentation/kbuild/ |
| D | kconfig-macro-language.rst | 16 APP := foo
17 SRC := foo.c
26 foo: foo.c
27 gcc -o foo foo.c
38 def_bool $(shell, $(srctree)/scripts/gcc-check-foo.sh $(CC))
207 config FOO
208 int "foo"
215 config FOO
216 int "foo"
224 config FOO
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| D | kconfig-language.rst | 124 bool "foo" if BAR
130 bool "foo"
146 By abusing select you are able to select a symbol FOO even
147 if FOO depends on BAR that is not set.
161 config FOO
162 tristate "foo"
172 FOO BAR BAZ's default choice for BAZ
187 Note: If the combination of FOO=y and BAR=m causes a link error,
193 baz_register(&foo);
197 Note: If the feature provided by BAZ is highly desirable for FOO,
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| /Linux-v5.15/tools/testing/ktest/examples/bootconfigs/ |
| D | verify-boottrace.sh | 64 compare_file "instances/foo/current_tracer" "function"
65 file_contains "instances/foo/set_ftrace_filter" "^user"
66 compare_file "instances/foo/buffer_size_kb" "512"
67 compare_mask "instances/foo/tracing_cpumask" "1"
68 compare_file "instances/foo/options/sym-addr" "0"
69 file_contains "instances/foo/trace_clock" '\[mono\]'
70 compare_file_partial "instances/foo/events/signal/signal_deliver/trigger" "snapshot"
|
| /Linux-v5.15/Documentation/devicetree/ |
| D | overlay-notes.rst | 21 Lets take an example where we have a foo board with the following base tree::
23 ---- foo.dts ---------------------------------------------------------------
24 /* FOO platform */
27 compatible = "corp,foo";
39 ---- foo.dts ---------------------------------------------------------------
56 when loaded (and resolved as described in [1]) should result in foo+bar.dts::
58 ---- foo+bar.dts -----------------------------------------------------------
59 /* FOO platform + bar peripheral */
61 compatible = "corp,foo";
79 ---- foo+bar.dts -----------------------------------------------------------
|
| /Linux-v5.15/samples/bpf/ |
| D | tcp_bpf.readme | 7 mkdir -p /tmp/cgroupv2/foo
9 echo $$ >> /tmp/cgroupv2/foo/cgroup.procs
11 Anything that runs under this shell belongs to the foo cgroupv2. To load
15 bpftool cgroup attach /tmp/cgroupv2/foo sock_ops pinned /sys/fs/bpf/tcp_prog
28 bpftool cgroup detach /tmp/cgroupv2/foo sock_ops pinned /sys/fs/bpf/tcp_prog
|
| /Linux-v5.15/tools/testing/selftests/bpf/progs/ |
| D | test_global_data.c | 24 struct foo { struct
34 __type(value, struct foo); argument
52 static const struct foo struct0 = {
57 static struct foo struct1;
58 static const struct foo struct2;
59 static struct foo struct3 = {
|
| D | test_global_func9.c | 29 __noinline int foo(const struct S *s) in foo() function
84 result |= foo(&s); in test_cls()
91 result |= foo(s); in test_cls()
97 result |= foo((const struct S *)&c); in test_cls()
101 result |= foo(NULL); in test_cls()
|
| /Linux-v5.15/Documentation/RCU/ |
| D | rcu_dereference.rst | 207 struct foo {
212 struct foo *gp1;
213 struct foo *gp2;
217 struct foo *p;
233 struct foo *p;
234 struct foo *q;
259 struct foo {
265 struct foo *gp1;
266 struct foo *gp2;
270 struct foo *p;
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| /Linux-v5.15/Documentation/devicetree/bindings/clock/ |
| D | maxim,max77686.txt | 61 foo@0 {
62 compatible = "bar,foo";
86 foo@0 {
87 compatible = "bar,foo";
109 foo@0 {
110 compatible = "bar,foo";
|
| /Linux-v5.15/Documentation/driver-api/media/ |
| D | v4l2-controls.rst | 87 v4l2_ctrl_handler_init(&foo->ctrl_handler, nr_of_controls);
99 foo->v4l2_dev.ctrl_handler = &foo->ctrl_handler;
105 foo->sd.ctrl_handler = &foo->ctrl_handler;
111 v4l2_ctrl_handler_free(&foo->ctrl_handler);
176 v4l2_ctrl_handler_init(&foo->ctrl_handler, nr_of_controls);
177 v4l2_ctrl_new_std(&foo->ctrl_handler, &foo_ctrl_ops,
179 v4l2_ctrl_new_std(&foo->ctrl_handler, &foo_ctrl_ops,
181 v4l2_ctrl_new_std_menu(&foo->ctrl_handler, &foo_ctrl_ops,
185 v4l2_ctrl_new_int_menu(&foo->ctrl_handler, &foo_ctrl_ops,
190 v4l2_ctrl_new_std_menu_items(&foo->ctrl_handler, &foo_ctrl_ops,
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| /Linux-v5.15/tools/perf/tests/ |
| D | expr.c | 28 expr__add_id_val(&ctx, strdup("FOO"), 1); in test__expr()
32 ret |= test(&ctx, "FOO+BAR", 3); in test__expr()
35 ret |= test(&ctx, "(FOO-1)*2 + (BAR/2)%2 - -4", 5); in test__expr()
55 p = "FOO/0"; in test__expr()
65 expr__find_other("FOO + BAR + BAZ + BOZO", "FOO", in test__expr()
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