| /Linux-v6.6/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-v6.6/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-v6.6/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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| /Linux-v6.6/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-v6.6/Documentation/translations/zh_CN/admin-guide/ |
| D | bootconfig.rst | 46 foo.bar.baz = value1
47 foo.bar.qux.quux = value2
51 foo.bar {
58 foo.bar { baz = value1; qux.quux = value2 }
68 foo = bar, baz
69 foo = qux # !错误! 我们不可以重定义相同的关键字
73 foo = bar, baz
74 foo := qux
76 这样 ``foo`` 关键字的值就变成了 ``qux`` 。这对于通过添加（部分）自定义引导
81 foo = bar, baz
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| /Linux-v6.6/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 serial_test_cgroup_attach_override() local
41 foo = test__join_cgroup(FOO); in serial_test_cgroup_attach_override()
42 if (CHECK(foo < 0, "cgroup_join_foo", "cgroup setup failed\n")) in serial_test_cgroup_attach_override()
45 if (CHECK(bpf_prog_attach(drop_prog, foo, BPF_CGROUP_INET_EGRESS, in serial_test_cgroup_attach_override()
48 "attach prog to %s failed, errno=%d\n", FOO, errno)) in serial_test_cgroup_attach_override()
87 if (CHECK(bpf_prog_detach(foo, BPF_CGROUP_INET_EGRESS), in serial_test_cgroup_attach_override()
89 "detach prog from %s failed, errno=%d\n", FOO, errno)) in serial_test_cgroup_attach_override()
111 if (CHECK(!bpf_prog_detach(foo, BPF_CGROUP_INET_EGRESS), in serial_test_cgroup_attach_override()
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| D | linked_list.c | 87 "operation on bpf_list_head expects arg#1 bpf_list_node at offset=48 in struct foo, "
91 { "incorrect_node_off2", "arg#1 offset=0, but expected bpf_list_node at offset=48 in struct foo" },
304 foo_btf_id = btf__add_struct(btf, "foo", 20); in list_and_rb_node_same_struct()
305 if (!ASSERT_GT(foo_btf_id, 0, "btf__add_struct foo")) in list_and_rb_node_same_struct()
308 if (!ASSERT_OK(err, "btf__add_field foo::a")) in list_and_rb_node_same_struct()
311 if (!ASSERT_OK(err, "btf__add_field foo::b")) in list_and_rb_node_same_struct()
331 id = btf__add_struct(btf, "foo", 24); in test_btf()
332 if (!ASSERT_EQ(id, 5, "btf__add_struct foo")) in test_btf()
335 if (!ASSERT_OK(err, "btf__add_struct foo::a")) in test_btf()
338 if (!ASSERT_OK(err, "btf__add_struct foo::a")) in test_btf()
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| D | task_under_cgroup.c | 9 #define FOO "/foo" macro
14 int ret, foo; in test_task_under_cgroup() local
17 foo = test__join_cgroup(FOO); in test_task_under_cgroup()
18 if (!ASSERT_OK(foo < 0, "cgroup_join_foo")) in test_task_under_cgroup()
27 skel->rodata->cgid = get_cgroup_id(FOO); in test_task_under_cgroup()
52 close(foo); in test_task_under_cgroup()
|
| /Linux-v6.6/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-v6.6/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/enable
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-v6.6/tools/perf/tests/shell/ |
| D | test_uprobe_from_different_cu.sh | 20 perf probe -x ${temp_dir}/testfile -d foo || true
34 cat > ${temp_dir}/testfile-foo.h << EOF
41 extern int foo (int i, struct t *t);
44 cat > ${temp_dir}/testfile-foo.c << EOF
45 #include "testfile-foo.h"
48 foo (int i, struct t *t)
59 #include "testfile-foo.h"
72 return foo (3, &g);
76 gcc -g -Og -flto -c ${temp_dir}/testfile-foo.c -o ${temp_dir}/testfile-foo.o
78 gcc -g -Og -o ${temp_dir}/testfile ${temp_dir}/testfile-foo.o ${temp_dir}/testfile-main.o
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| /Linux-v6.6/tools/perf/Documentation/ |
| D | callchain-overhead-calculation.txt | 24 void foo(void) {
30 foo();
39 In this case 'foo' is a child of 'bar', and 'bar' is an immediate
40 child of 'main' so 'foo' also is a child of 'main'. In other words,
41 'main' is a parent of 'foo' and 'bar', and 'bar' is a parent of 'foo'.
43 Suppose all samples are recorded in 'foo' and 'bar' only. When it's
50 60.00% foo
52 --- foo
65 child functions (i.e. 'foo' and 'bar') are added to the parents to
87 60.00% 60.00% foo
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| /Linux-v6.6/lib/ |
| D | test_debug_virtual.c | 16 struct foo { struct
20 static struct foo *foo; argument
32 foo = kzalloc(sizeof(*foo), GFP_KERNEL); in test_debug_virtual_init()
33 if (!foo) in test_debug_virtual_init()
36 pa = virt_to_phys(foo); in test_debug_virtual_init()
37 va = foo; in test_debug_virtual_init()
46 kfree(foo); in test_debug_virtual_exit()
|
| /Linux-v6.6/Documentation/admin-guide/ |
| D | bootconfig.rst | 48 foo.bar.baz = value1
49 foo.bar.qux.quux = value2
53 foo.bar {
60 foo.bar { baz = value1; qux.quux = value2 }
71 foo = bar, baz
72 foo = qux # !ERROR! we can not re-define same key
77 foo = bar, baz
78 foo := qux
80 then, the ``qux`` is assigned to ``foo`` key. This is useful for
87 foo = bar, baz
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| /Linux-v6.6/tools/testing/selftests/ftrace/test.d/dynevent/ |
| D | eprobes_syntax_errors.tc | 13 check_error 'e syscalls/sys_enter_openat ^foo' # BAD_ATTACH_ARG
17 check_error 'e:^foo.1/bar syscalls/sys_enter_openat' # BAD_GROUP_NAME
19 check_error 'e:foo/^12345678901234567890123456789012345678901234567890123456789012345 syscalls/sys_…
20 check_error 'e:foo/^bar.1 syscalls/sys_enter_openat' # BAD_EVENT_NAME
22 check_error 'e:foo/bar syscalls/sys_enter_openat arg=^dfd' # BAD_FETCH_ARG
23 check_error 'e:foo/bar syscalls/sys_enter_openat ^arg=$foo' # BAD_ATTACH_ARG
26 check_error 'e:foo/bar syscalls/sys_enter_openat if ^' # NO_EP_FILTER
|
| /Linux-v6.6/Documentation/translations/zh_CN/core-api/ |
| D | xarray.rst | 205 void foo_init(struct foo *foo)
207 xa_init_flags(&foo->array, XA_FLAGS_LOCK_BH);
210 int foo_store(struct foo *foo, unsigned long index, void *entry)
214 xa_lock_bh(&foo->array);
215 err = xa_err(__xa_store(&foo->array, index, entry, GFP_KERNEL));
217 foo->count++;
218 xa_unlock_bh(&foo->array);
223 void foo_erase(struct foo *foo, unsigned long index)
225 xa_lock(&foo->array);
226 __xa_erase(&foo->array, index);
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| /Linux-v6.6/rust/kernel/ |
| D | init.rs | 42 //! struct Foo {
48 //! let foo = pin_init!(Foo {
49 //! a <- new_mutex!(42, "Foo::a"),
54 //! `foo` now is of the type [`impl PinInit<Foo>`]. We can now use any smart pointer that we like
55 //! (or just the stack) to actually initialize a `Foo`:
62 //! # struct Foo {
67 //! # let foo = pin_init!(Foo {
68 //! # a <- new_mutex!(42, "Foo::a"),
71 //! let foo: Result<Pin<Box<Foo>>> = Box::pin_init(foo);
128 //! # pub struct foo;
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| /Linux-v6.6/Documentation/driver-api/ |
| D | pin-control.rst | 75 .name = "foo",
361 group "foo":
365 pinctrl_get_group_pins(pctl, "foo", &gpio_range.pins, &gpio_range.npins);
904 PIN_MAP_MUX_GROUP("uart", PINCTRL_STATE_DEFAULT, "pinctrl-foo",
906 PIN_MAP_CONFIGS_PIN("uart", PINCTRL_STATE_DEFAULT, "pinctrl-foo",
908 PIN_MAP_MUX_GROUP("uart", PINCTRL_STATE_SLEEP, "pinctrl-foo",
910 PIN_MAP_CONFIGS_PIN("uart", PINCTRL_STATE_SLEEP, "pinctrl-foo",
963 .dev_name = "foo-spi.0",
966 .ctrl_dev_name = "pinctrl-foo",
970 .dev_name = "foo-i2c.0",
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| /Linux-v6.6/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-v6.6/tools/testing/selftests/bpf/progs/ |
| D | linked_list_fail.c | 12 struct foo *f, *f1, *f2; \
239 f = bpf_obj_new(struct foo); in obj_drop_non_zero_off()
249 return bpf_obj_new(struct foo)->data; in new_null_ret()
255 bpf_obj_new(struct foo); in obj_new_acq()
262 struct foo *f; in use_after_drop()
290 struct foo *f; in direct_read_lock()
301 struct foo *f; in direct_write_lock()
313 struct foo *f; in direct_read_head()
324 struct foo *f; in direct_write_head()
336 struct foo *f; in direct_read_node()
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| D | linked_list.c | 18 struct foo *f; in list_push_pop()
28 bpf_obj_drop(container_of(n, struct foo, node2)); in list_push_pop()
37 bpf_obj_drop(container_of(n, struct foo, node2)); in list_push_pop()
54 f = container_of(n, struct foo, node2); in list_push_pop()
69 f = container_of(n, struct foo, node2); in list_push_pop()
80 bpf_obj_drop(container_of(n, struct foo, node2)); in list_push_pop()
88 bpf_obj_drop(container_of(n, struct foo, node2)); in list_push_pop()
99 struct foo *f[200], *pf; in list_push_pop_multiple()
133 pf = container_of(n, struct foo, node2); in list_push_pop_multiple()
152 pf = container_of(n, struct foo, node2); in list_push_pop_multiple()
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| D | test_spin_lock_fail.c | 7 struct foo { struct
15 __type(value, struct foo); argument
37 struct foo *f; in lock_id_kptr_preserve()
56 struct foo *f; in lock_id_mapval_preserve()
69 struct foo *f; in lock_id_innermapval_preserve()
87 struct foo *f1, *f2, *v, *iv; \
126 struct foo *f1, *f2; in lock_id_mismatch_mapval_mapval()
150 struct foo *f1, *f2; in lock_id_mismatch_innermapval_innermapval1()
174 struct foo *f1, *f2; in lock_id_mismatch_innermapval_innermapval2()
|
| /Linux-v6.6/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-v6.6/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 -----------------------------------------------------------
|
