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hc

2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/kernel/trace/trace_event_perf.c
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@@ -299,7 +299,8 @@
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 #endif /* CONFIG_KPROBE_EVENTS */
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 #ifdef CONFIG_UPROBE_EVENTS
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-int perf_uprobe_init(struct perf_event *p_event, bool is_retprobe)
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+int perf_uprobe_init(struct perf_event *p_event,
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+		     unsigned long ref_ctr_offset, bool is_retprobe)
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 {
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 	int ret;
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 	char *path = NULL;
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@@ -319,8 +320,8 @@
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 		goto out;
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 	}
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-	tp_event = create_local_trace_uprobe(
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-		path, p_event->attr.probe_offset, is_retprobe);
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+	tp_event = create_local_trace_uprobe(path, p_event->attr.probe_offset,
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+					     ref_ctr_offset, is_retprobe);
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 	if (IS_ERR(tp_event)) {
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 		ret = PTR_ERR(tp_event);
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 		goto out;
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@@ -420,12 +421,8 @@
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 void perf_trace_buf_update(void *record, u16 type)
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 {
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 	struct trace_entry *entry = record;
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-	int pc = preempt_count();
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-	unsigned long flags;
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-	local_save_flags(flags);
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-	tracing_generic_entry_update(entry, flags, pc);
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-	entry->type = type;
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+	tracing_generic_entry_update(entry, type, tracing_gen_ctx());
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 }
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 NOKPROBE_SYMBOL(perf_trace_buf_update);
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