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/linux/samples/trace_events/
H A Dtrace-events-sample.h1 /* SPDX-License-Identifier: GPL-2.0 */
8 * In this case, it would look for sample-trace.h
14 * This file is called trace-events-sample.h but we want the system
15 * to be called "sample-trace". Therefore we must define the name of this
18 * #define TRACE_INCLUDE_FILE trace-events-sample
26 #define TRACE_SYSTEM sample-trace
29 * TRACE_SYSTEM is expected to be a C valid variable (alpha-numeric
36 * But the above is only needed if TRACE_SYSTEM is not alpha-numeric
38 * TRACE_SYSTEM. As TRACE_SYSTEM_VAR must be alpha-numeric, if
40 * only alpha-numeric and underscores.
[all …]
/linux/tools/testing/selftests/bpf/prog_tests/
H A Dcgroup_attach_override.c1 // SPDX-License-Identifier: GPL-2.0
7 #define FOO "/foo" macro
8 #define BAR "/foo/bar/" macro
9 #define PING_CMD "ping -q -c1 -w1 127.0.0.1 > /dev/null"
28 int drop_prog = -1, allow_prog = -1, foo = -1, bar = -1; in serial_test_cgroup_attach_override() local
33 "verifier output:\n%s\n-------\n", bpf_log_buf)) in serial_test_cgroup_attach_override()
38 "verifier output:\n%s\n-------\n", bpf_log_buf)) in serial_test_cgroup_attach_override()
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()
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H A Dlinked_list.c1 // SPDX-License-Identifier: GPL-2.0
88 "operation on bpf_list_head expects arg#1 bpf_list_node at offset=48 in struct foo, "
89 "but arg is at offset=0 in struct bar" },
92 { "incorrect_node_off2", "arg#1 offset=0, but expected bpf_list_node at offset=48 in struct foo" },
115 prog = bpf_object__find_program_by_name(skel->obj, prog_name); in test_linked_list_fail_prog()
169 ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.map_list_push_pop), &opts); in test_linked_list_success()
173 clear_fields(skel->maps.array_map); in test_linked_list_success()
175 ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.inner_map_list_push_pop), &opts); in test_linked_list_success()
179 clear_fields(skel->maps.inner_map); in test_linked_list_success()
181 ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.global_list_push_pop), &opts); in test_linked_list_success()
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H A Dstruct_ops_autocreate.c1 // SPDX-License-Identifier: GPL-2.0
30 ASSERT_EQ(err, -ENOTSUP, "errno should be ENOTSUP"); in cant_load_full_object()
42 link = bpf_map__attach_struct_ops(skel->maps.testmod_1); in check_test_1_link()
44 return -1; in check_test_1_link()
47 err = ASSERT_EQ(skel->bss->test_1_result, 42, "test_1_result"); in check_test_1_link()
61 err = bpf_map__set_autocreate(skel->maps.testmod_2, false); in can_load_partial_object()
65 ASSERT_TRUE(bpf_program__autoload(skel->progs.test_1), "test_1 default autoload"); in can_load_partial_object()
66 ASSERT_TRUE(bpf_program__autoload(skel->progs.test_2), "test_2 default autoload"); in can_load_partial_object()
72 ASSERT_TRUE(bpf_program__autoload(skel->progs.test_1), "test_1 actual autoload"); in can_load_partial_object()
73 ASSERT_FALSE(bpf_program__autoload(skel->progs.test_2), "test_2 actual autoload"); in can_load_partial_object()
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/linux/drivers/gpu/drm/xe/tests/
H A Dxe_args_test.c1 // SPDX-License-Identifier: GPL-2.0
12 #define foo X, Y, Z, Q in call_args_example() macro
13 #define bar COUNT_ARGS(foo) in call_args_example() macro
14 #define buz CALL_ARGS(COUNT_ARGS, foo) in call_args_example()
16 KUNIT_EXPECT_EQ(test, bar, 1); in call_args_example()
19 #undef foo in call_args_example()
20 #undef bar in call_args_example()
26 #define foo X, Y, Z, Q in drop_first_arg_example() macro
27 #define bar CALL_ARGS(COUNT_ARGS, DROP_FIRST_ARG(foo)) in drop_first_arg_example() macro
29 KUNIT_EXPECT_EQ(test, bar, 3); in drop_first_arg_example()
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/linux/Documentation/translations/zh_CN/admin-guide/
H A Dbootconfig.rst1 .. SPDX-License-Identifier: GPL-2.0
3 .. include:: ../disclaimer-zh_CN.rst
5 :Original: Documentation/admin-guide/bootconfig.rst
32 关键字只允许包含字母、数字、连字符（ ``-`` ）和下划线（ ``_`` ）。值可包含
42 --------
46 foo.bar.baz = value1
47 foo.bar.qux.quux = value2
51 foo.bar {
58 foo.bar { baz = value1; qux.quux = value2 }
64 --------------
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/linux/Documentation/translations/zh_TW/admin-guide/
H A Dbootconfig.rst1 .. SPDX-License-Identifier: GPL-2.0
3 .. include:: ../disclaimer-zh_TW.rst
5 :Original: Documentation/admin-guide/bootconfig.rst
32 關鍵字只允許包含字母、數字、連字符（ ``-`` ）和下劃線（ ``_`` ）。值可包含
42 --------
46 foo.bar.baz = value1
47 foo.bar.qux.quux = value2
51 foo.bar {
58 foo.bar { baz = value1; qux.quux = value2 }
64 --------------
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/linux/tools/perf/Documentation/
H A Dcallchain-overhead-calculation.txt2 ----------
[all...]
/linux/drivers/gpu/drm/xe/
H A Dxe_args.h1 /* SPDX-License-Identifier: MIT */
19 * CALL_ARGS - Invoke a macro, but allow parameters to be expanded beforehand.
28 * #define foo X,Y,Z,Q
29 * #define bar COUNT_ARGS(foo)
30 * #define buz CALL_ARGS(COUNT_ARGS, foo)
32 * With above definitions bar expands to 1 while buz expands to 4.
38 * DROP_FIRST_ARG - Returns all arguments except the first one.
46 * #define foo X,Y,Z,Q
47 * #define bar CALL_ARGS(COUNT_ARGS, DROP_FIRST_ARG(foo))
49 * With above definitions bar expands to 3.
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H A Dxe_rtp_helpers.h1 /* SPDX-License-Identifier: MIT */
16 * Helper macros - not to be used outside this header.
28 * XE_RTP_PASTE_FOREACH - Paste XE_RTP_<@prefix_> on each element of the tuple
35 * 1) XE_RTP_PASTE_FOREACH(TEST_, COMMA, (FOO, BAR))
40 * 2) XE_RTP_PASTE_FOREACH(TEST2_, COMMA, (FOO))
45 * 3) XE_RTP_PASTE_FOREACH(TEST3, BITWISE_OR, (FOO, BAR))
51 * XE_RTP_PASTE_FOREACH(TEST_, MY_SEP, (FOO, BAR))
71 * XE_RTP_DROP_CAST - Drop cast to convert a compound statement to a initializer
75 * #define foo(a_) ((struct foo){ .a = a_ })
76 * XE_RTP_DROP_CAST(foo(10))
/linux/tools/testing/selftests/ftrace/test.d/dynevent/
H A Deprobes_syntax_errors.tc2 # SPDX-License-Identifier: GPL-2.0
4 # requires: dynamic_events events/syscalls/sys_enter_openat "<attached-group>.<attached-event> [<ar…
6 check_error() { # command-with-error-pos-by-^
13 check_error 'e syscalls/sys_enter_openat ^foo' # BAD_ATTACH_ARG
14 check_error 'e:^/bar syscalls/sys_enter_openat' # NO_GROUP_NAME
15 check_error 'e:^12345678901234567890123456789012345678901234567890123456789012345/bar syscalls/sys_…
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
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H A Dfprobe_syntax_errors.tc2 # SPDX-License-Identifier: GPL-2.0
4 # requires: dynamic_events "f[:[<group>/][<event>]] <func-name>[%return] [<args>]":README
6 check_error() { # command-with-error-pos-by-^
10 case `uname -
[all...]
/linux/samples/kobject/
H A Dkset-example.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2004-2007 Greg Kroah-Hartman <greg@kroah.com>
18 * Then three kobjects are created and assigned to this kset, "foo", "baz",
19 * and "bar". In those kobjects, attributes of the same name are also
31 int foo; member
33 int bar; 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()
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H A Dkobject-example.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2004-2007 Greg Kroah-Hartman <greg@kroah.com>
17 * "foo", "baz", and "bar". If an integer is written to these files, it can be
21 static int foo; variable
23 static int bar; variable
26 * The "foo" file where a static variable is read from and written to.
31 return sysfs_emit(buf, "%d\n", foo); in foo_show()
39 ret = kstrtoint(buf, 10, &foo); in foo_store()
46 /* Sysfs attributes cannot be world-writable. */
48 __ATTR(foo, 0664, foo_show, foo_store);
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/linux/Documentation/translations/zh_CN/devicetree/
H A Doverlay-notes.rst1 .. SPDX-License-Identifier: GPL-2.0
2 .. include:: ../disclaimer-zh_CN.rst
4 :Original: Documentation/devicetree/overlay-notes.rst
17 Documentation/devicetree/dynamic-resolution-notes.rst[1]的配套文档。
20 ------------
28 ---- foo.dts ---------------------------------------------------------------
30 /dts-v1/;
32 compatible = "corp,foo";
44 ---- foo.dts ---------------------------------------------------------------
49 ---- bar.dtso - 按标签覆盖目标位置 ---------------------------
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/linux/tools/testing/selftests/net/
H A Dunicast_extensions.sh2 # SPDX-License-Identifier: GPL-2.0
7 # Self-tests for IPv4 address extensions: the kernel's ability to accept
41 if [ $1 -eq 0 ]; then
42 printf "TEST: %-60s [ OK ]\n" "${2}"
44 printf "TEST: %-60s [FAIL]\n" "${2}"
53 # foo --- bar
57 # containing linked veth devices foo and bar,
60 ip -n $foo_ns address add $1/$3 dev foo || return 1
61 ip -n $foo_ns link set foo up || return 1
62 ip -n $bar_ns address add $2/$3 dev bar || return 1
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/linux/Documentation/translations/it_IT/doc-guide/
H A Dkernel-doc.rst1 .. include:: ../disclaimer-ita.rst
4 :ref:`Documentation/doc-guide/index.rst <doc_guide>`
6 .. title:: Commenti in kernel-doc
11 Scrivere i commenti in kernel-doc
15 strutturanti secondo il formato kernel-doc. Essi possono descrivere funzioni,
18 .. note:: Il formato kernel-doc può sembrare simile a gtk-doc o Doxygen ma
20 contengono decine di migliaia di commenti kernel-doc. Siete pregati
23 La struttura kernel-doc è estratta a partire dai commenti; da questi viene
30 .. _`dominio Sphinx per il C`: http://www.sphinx-doc.org/en/stable/domains.html
34 kernel-doc. Quando l'intenzione è di utilizzarle nei moduli, anche le funzioni
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/linux/Documentation/kbuild/
H A Dkconfig-language.rst6 ------------
11 +- Code maturity level options
12 | +- Prompt for development and/or incomplete code/drivers
13 +- General setup
14 | +- Networking support
15 | +- System V IPC
16 | +- BSD Process Accounting
17 | +- Sysctl support
18 +- Loadable module support
19 | +- Enable loadable module support
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/linux/tools/perf/tests/
H A Dexpr.c1 // SPDX-License-Identifier: GPL-2.0
29 /* Union {foo, bar} against {}. */ in test_ids_union()
33 TEST_ASSERT_EQUAL("ids__insert", ids__insert(ids1, strdup("foo")), 0); in test_ids_union()
34 TEST_ASSERT_EQUAL("ids__insert", ids__insert(ids1, strdup("bar")), 0); in test_ids_union()
39 /* Union {foo, bar} against {foo}. */ in test_ids_union()
42 TEST_ASSERT_EQUAL("ids__insert", ids__insert(ids2, strdup("foo")), 0); in test_ids_union()
47 /* Union {foo, bar} against {bar,baz}. */ in test_ids_union()
50 TEST_ASSERT_EQUAL("ids__insert", ids__insert(ids2, strdup("bar")), 0); in test_ids_union()
79 struct perf_cpu cpu = {-1}; in test__expr()
89 expr__add_id_val(ctx, strdup("FOO"), 1); in test__expr()
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/linux/tools/testing/ktest/examples/bootconfigs/
H A Dverify-boottrace.sh18 content=`cat $file | sed -ne "/^$val/p"`
19 if [ -z "$content" ]; then
30 if ! grep -q "$val" $file ; then
41 content=`cat $file | sed -ne "/^[0 ]*$val/p"`
42 if [ -z "$content" ]; then
61 …all_finish/trigger" 'hist:keys=func:vals=hitcount:lat=common_timestamp.usecs-\$ts0:sort=hitcount:s…
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"
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/linux/include/kunit/
H A Dassert.h1 /* SPDX-License-Identifier: GPL-2.0 */
19 * enum kunit_assert_type - Type of expectation/assertion.
32 * struct kunit_loc - Identifies the source location of a line of code.
44 * struct kunit_assert - Data for printing a failed assertion or expectation.
60 * struct kunit_fail_assert - Represents a plain fail expectation/assertion.
74 * struct kunit_unary_assert - Represents a KUNIT_{EXPECT|ASSERT}_{TRUE|FALSE}
94 * struct kunit_ptr_not_err_assert - An expectation/assertion that a pointer is
95 * not NULL and not a -errno.
101 * not contain a -errno. (See IS_ERR_OR_NULL().)
114 * struct kunit_binary_assert_text - holds strings for &struct
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/linux/Documentation/translations/zh_CN/doc-guide/
H A Dkernel-doc.rst1 .. include:: ../disclaimer-zh_CN.rst
3 :Original: Documentation/doc-guide/kernel-doc.rst
7 编写kernel-doc注释
10 Linux内核源文件可以包含kernel-doc格式的结构化文档注释，用以描述代码的函数、
13 .. note:: 内核文档格式与javadoc、gtk-doc或Doxygen看似很相似，但由于历史原因，
14 实际有着明显的不同。内核源包含成千上万个kernel-doc注释。请坚持遵循
17 .. note:: kernel-doc无法包含Rust代码：请参考 Documentation/rust/general-information.rst 。
19 从注释中提取kernel-doc结构，并从中生成适当的 `Sphinx C 域`_ 函数和带有锚点的
20 类型描述。这些注释将被过滤以生成特殊kernel-doc高亮和交叉引用。详见下文。
22 .. _Sphinx C 域: http://www.sphinx-doc.org/en/stable/domains.html
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/linux/tools/testing/selftests/bpf/progs/
H A Dtest_global_func9.c1 // SPDX-License-Identifier: GPL-2.0-only
30 __noinline int foo(const struct S *s) in foo() function
33 return bpf_get_prandom_u32() < s->x; in foo()
38 __noinline int bar(int *x) in bar() function
84 const struct S s = {.x = skb->len }; in global_func9()
86 result |= foo(&s); in global_func9()
93 result |= foo(s); in global_func9()
97 const struct C c = {.x = skb->len, .y = skb->family }; in global_func9()
99 result |= foo((const struct S *)&c); in global_func9()
103 result |= foo(NULL); in global_func9()
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H A Dverifier_const.c1 // SPDX-License-Identifier: GPL-2.0
9 const volatile long foo = 42; variable
10 long bar; variable
19 bpf_strtol(buff, sizeof(buff), 0, (long *)&foo); in tcx1()
29 bpf_strtol(buff, sizeof(buff), 0, &bar); in tcx2()
48 bpf_check_mtu(skb, skb->ifindex, (__u32 *)&foo, 0, 0); in tcx4()
57 bpf_check_mtu(skb, skb->ifindex, (__u32 *)&bar, 0, 0); in tcx5()
66 bpf_check_mtu(skb, skb->ifindex, (__u32 *)&bart, 0, 0); in tcx6()
85 write_fixed((void *)&foo, skb->mark); in tcx7()
94 write_dyn((void *)&foo, &bart, bpf_get_prandom_u32() & 3); in BPF_PROG()
/linux/Documentation/dev-tools/
H A Dcheckpatch.rst1 .. SPDX-License-Identifier: GPL-2.0-only
27 - -q, --quiet
31 - -v, --verbose
35 - --no-tree
39 - --no-signoff
41 Disable the 'Signed-off-by' line check. The sign-off is a simple line at
43 or otherwise have the right to pass it on as an open-source patch.
47 Signed-off-by: Random J Developer <random@developer.example.org>
49 Setting this flag effectively stops a message for a missing signed-off-by
52 - --patch
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