From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/kernel/trace/trace_event_perf.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/kernel/kernel/trace/trace_event_perf.c b/kernel/kernel/trace/trace_event_perf.c
index 0443dd6..643e0b1 100644
--- a/kernel/kernel/trace/trace_event_perf.c
+++ b/kernel/kernel/trace/trace_event_perf.c
@@ -421,8 +421,11 @@
void perf_trace_buf_update(void *record, u16 type)
{
struct trace_entry *entry = record;
+ int pc = preempt_count();
+ unsigned long flags;
- tracing_generic_entry_update(entry, type, tracing_gen_ctx());
+ local_save_flags(flags);
+ tracing_generic_entry_update(entry, type, flags, pc);
}
NOKPROBE_SYMBOL(perf_trace_buf_update);
--
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