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[Backport v4.0-branch] logging: Assign IDs to log backends early during log_core_init #87298

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Merged
merged 1 commit into from
May 9, 2025
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[Backport v4.0-branch] logging: Assign IDs to log backends early during log_core_init #87298

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14 changes: 8 additions & 6 deletions subsys/logging/log_core.c
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Original file line number Diff line number Diff line change
Expand Up @@ -286,6 +286,14 @@ void log_core_init(void)
if (IS_ENABLED(CONFIG_LOG_RUNTIME_FILTERING)) {
z_log_runtime_filters_init();
}

STRUCT_SECTION_FOREACH(log_backend, backend) {
uint32_t id;
/* As first slot in filtering mask is reserved, backend ID has offset.*/
id = LOG_FILTER_FIRST_BACKEND_SLOT_IDX;
id += backend - log_backend_get(0);
log_backend_id_set(backend, id);
}
}

static uint32_t activate_foreach_backend(uint32_t mask)
Expand Down Expand Up @@ -329,12 +337,6 @@ static uint32_t z_log_init(bool blocking, bool can_sleep)
int backend_index = 0;

STRUCT_SECTION_FOREACH(log_backend, backend) {
uint32_t id;
/* As first slot in filtering mask is reserved, backend ID has offset.*/
id = LOG_FILTER_FIRST_BACKEND_SLOT_IDX;
id += backend - log_backend_get(0);
log_backend_id_set(backend, id);

/* Activate autostart backends */
if (backend->autostart) {
log_backend_init(backend);
Expand Down
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