| /linux-6.15/arch/x86/include/asm/ |
| H A D | local.h | 12 } local_t; typedef
19 static inline void local_inc(local_t *l) in local_inc()
25 static inline void local_dec(local_t *l) in local_dec()
31 static inline void local_add(long i, local_t *l) in local_add()
38 static inline void local_sub(long i, local_t *l) in local_sub()
54 static inline bool local_sub_and_test(long i, local_t *l) in local_sub_and_test()
67 static inline bool local_dec_and_test(local_t *l) in local_dec_and_test()
80 static inline bool local_inc_and_test(local_t *l) in local_inc_and_test()
106 static inline long local_add_return(long i, local_t *l) in local_add_return()
140 local_xchg(local_t *l, long n) in local_xchg()
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| /linux-6.15/Documentation/translations/zh_CN/core-api/ |
| H A D | local_ops.rst | 24 注意，基于 ``local_t`` 的操作不建议用于一般内核操作。请使用 ``this_cpu``
25 操作来代替使用，除非真的有特殊目的。大多数内核中使用的 ``local_t`` 已
27 定位和类似 ``local_t`` 的语义，产生了更紧凑和更快的执行代码。
41 有一个CPU写到 ``local_t`` 的数据。这是通过使用每CPU的数据来实现的，并确
42 保我们在一个抢占式安全上下文中修改它。然而，从任何一个CPU读取 ``local_t``
54 通过在一个结构体中嵌入一个 ``atomic_long_t`` ， ``local_t`` 类型被定义为
58 typedef struct { atomic_long_t a; } local_t;
69 它的local_t变量。
93 static DEFINE_PER_CPU(local_t, counters) = LOCAL_INIT(0);
127 用 ``local_t`` 变量作为写在缓冲区中的字节的计数器，就会出现这种情况：在缓
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| /linux-6.15/arch/powerpc/include/asm/ |
| H A D | local.h | 16 } local_t; typedef
20 static __inline__ long local_read(const local_t *l) in local_read()
25 static __inline__ void local_set(local_t *l, long i) in local_set()
31 static __inline__ void local_##op(long i, local_t *l) \
41 static __inline__ long local_##op##_return(long a, local_t *l) \
79 static __inline__ long local_cmpxchg(local_t *l, long o, long n) in local_cmpxchg()
93 static __inline__ bool local_try_cmpxchg(local_t *l, long *po, long n) in local_try_cmpxchg()
104 static __inline__ long local_xchg(local_t *l, long n) in local_xchg()
126 static __inline__ bool local_add_unless(local_t *l, long a, long u) in local_add_unless()
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| /linux-6.15/arch/loongarch/include/asm/ |
| H A D | local.h | 15 } local_t; typedef
30 static inline long local_add_return(long i, local_t *l) in local_add_return()
44 static inline long local_sub_return(long i, local_t *l) in local_sub_return()
59 static inline long local_cmpxchg(local_t *l, long old, long new) in local_cmpxchg()
64 static inline bool local_try_cmpxchg(local_t *l, long *old, long new) in local_try_cmpxchg()
82 local_add_unless(local_t *l, long a, long u) in local_add_unless()
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| /linux-6.15/arch/alpha/include/asm/ |
| H A D | local.h | 11 } local_t; typedef
21 static __inline__ long local_add_return(long i, local_t * l) in local_add_return()
38 static __inline__ long local_sub_return(long i, local_t * l) in local_sub_return()
55 static __inline__ long local_cmpxchg(local_t *l, long old, long new) in local_cmpxchg()
60 static __inline__ bool local_try_cmpxchg(local_t *l, long *old, long new) in local_try_cmpxchg()
77 local_add_unless(local_t *l, long a, long u) in local_add_unless()
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| /linux-6.15/arch/mips/include/asm/ |
| H A D | local.h | 15 } local_t; typedef
30 static __inline__ long local_add_return(long i, local_t * l) in local_add_return()
63 static __inline__ long local_sub_return(long i, local_t * l) in local_sub_return()
97 static __inline__ long local_cmpxchg(local_t *l, long old, long new) in local_cmpxchg()
102 static __inline__ bool local_try_cmpxchg(local_t *l, long *old, long new) in local_try_cmpxchg()
120 local_add_unless(local_t *l, long a, long u) in local_add_unless()
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| /linux-6.15/tools/lib/bpf/ |
| H A D | relo_core.c | 1459 __u16 local_vlen = btf_vlen(local_t); in bpf_core_enums_match()
1463 if (local_t->size != targ_t->size) in bpf_core_enums_match()
1476 local_n_off = btf_is_enum(local_t) ? btf_enum(local_t)[i].name_off : in bpf_core_enums_match()
1477 btf_enum64(local_t)[i].name_off; in bpf_core_enums_match()
1500 __u16 local_vlen = btf_vlen(local_t); in bpf_core_composites_match()
1563 const struct btf_type *local_t, *targ_t; in __bpf_core_types_match() local
1577 if (!local_t || !targ_t) in __bpf_core_types_match()
1587 local_k = btf_kind(local_t); in __bpf_core_types_match()
1656 local_id = local_t->type; in __bpf_core_types_match()
1676 __u16 local_vlen = btf_vlen(local_t); in __bpf_core_types_match()
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| H A D | libbpf.c | 5596 const struct btf_type *t, *local_t; in bpf_core_add_cands() local
5601 local_t = btf__type_by_id(local_cand->btf, local_cand->id); in bpf_core_add_cands()
5602 local_name = btf__str_by_offset(local_cand->btf, local_t->name_off); in bpf_core_add_cands()
5607 if (!btf_kind_core_compat(t, local_t)) in bpf_core_add_cands()
5622 local_cand->id, btf_kind_str(local_t), in bpf_core_add_cands()
5742 const struct btf_type *local_t; in bpf_core_find_cands() local
5749 local_t = btf__type_by_id(local_btf, local_type_id); in bpf_core_find_cands()
5750 if (!local_t) in bpf_core_find_cands()
5753 local_name = btf__name_by_offset(local_btf, local_t->name_off); in bpf_core_find_cands()
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| /linux-6.15/Documentation/core-api/ |
| H A D | local_ops.rst | 18 Note that ``local_t`` based operations are not recommended for general
20 really a special purpose. Most uses of ``local_t`` in the kernel have been
22 relocation with the ``local_t`` like semantics in a single instruction and
41 CPU writes to the ``local_t`` data. This is done by using per cpu data and
43 however permitted to read ``local_t`` data from any CPU: it will then appear to
56 The ``local_t`` type is defined as an opaque ``signed long`` by embedding an
60 typedef struct { atomic_long_t a; } local_t;
69 to update its ``local_t`` variables.
95 static DEFINE_PER_CPU(local_t, counters) = LOCAL_INIT(0);
131 the ``local_t`` variable as a counter of bytes written in a buffer: there should
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| /linux-6.15/kernel/events/ |
| H A D | internal.h | 26 local_t head; /* write position */
28 local_t events; /* event limit */
29 local_t wakeup; /* wakeup stamp */
30 local_t lost; /* nr records lost */
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| /linux-6.15/include/linux/ |
| H A D | cookie.h | 10 local_t nesting;
|
| H A D | part_stat.h | 14 local_t in_flight[2];
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| H A D | coresight.h | 291 local_t mode;
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| H A D | perf_event.h | 1009 local_t nr_no_switch_fast;
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| /linux-6.15/arch/x86/events/intel/ |
| H A D | pt.h | 79 local_t data_size;
|
| H A D | bts.c | 57 local_t data_size;
58 local_t head;
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| /linux-6.15/include/asm-generic/ |
| H A D | local.h | 25 } local_t; typedef
|
| H A D | local64.h | 25 local_t a;
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| /linux-6.15/drivers/hwtracing/coresight/ |
| H A D | coresight-priv.h | 106 local_t data_size;
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| H A D | coresight-etb10.c | 88 local_t reading;
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| /linux-6.15/kernel/trace/ |
| H A D | ring_buffer.c | 361 local_t write; /* index for next write */
498 local_t entries_bytes;
499 local_t entries;
500 local_t overrun;
501 local_t commit_overrun;
502 local_t dropped_events;
503 local_t committing;
504 local_t commits;
505 local_t pages_touched;
506 local_t pages_lost;
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| H A D | ring_buffer_benchmark.c | 17 local_t commit;
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| /linux-6.15/arch/mips/math-emu/ |
| H A D | me-debugfs.c | 21 local_t *pv; in fpuemu_stat_get()
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| /linux-6.15/kernel/bpf/ |
| H A D | memalloc.c | 87 local_t active;
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| /linux-6.15/block/ |
| H A D | blk-iocost.c | 392 local_t nr_met;
393 local_t nr_missed;
|