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_mmiotrace.c | 14 ++++++--------
1 files changed, 6 insertions(+), 8 deletions(-)
diff --git a/kernel/kernel/trace/trace_mmiotrace.c b/kernel/kernel/trace/trace_mmiotrace.c
index 7221ae0..84582bf 100644
--- a/kernel/kernel/trace/trace_mmiotrace.c
+++ b/kernel/kernel/trace/trace_mmiotrace.c
@@ -300,11 +300,10 @@
struct trace_buffer *buffer = tr->array_buffer.buffer;
struct ring_buffer_event *event;
struct trace_mmiotrace_rw *entry;
- unsigned int trace_ctx;
+ int pc = preempt_count();
- trace_ctx = tracing_gen_ctx_flags(0);
event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_RW,
- sizeof(*entry), trace_ctx);
+ sizeof(*entry), 0, pc);
if (!event) {
atomic_inc(&dropped_count);
return;
@@ -313,7 +312,7 @@
entry->rw = *rw;
if (!call_filter_check_discard(call, entry, buffer, event))
- trace_buffer_unlock_commit(tr, buffer, event, trace_ctx);
+ trace_buffer_unlock_commit(tr, buffer, event, 0, pc);
}
void mmio_trace_rw(struct mmiotrace_rw *rw)
@@ -331,11 +330,10 @@
struct trace_buffer *buffer = tr->array_buffer.buffer;
struct ring_buffer_event *event;
struct trace_mmiotrace_map *entry;
- unsigned int trace_ctx;
+ int pc = preempt_count();
- trace_ctx = tracing_gen_ctx_flags(0);
event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_MAP,
- sizeof(*entry), trace_ctx);
+ sizeof(*entry), 0, pc);
if (!event) {
atomic_inc(&dropped_count);
return;
@@ -344,7 +342,7 @@
entry->map = *map;
if (!call_filter_check_discard(call, entry, buffer, event))
- trace_buffer_unlock_commit(tr, buffer, event, trace_ctx);
+ trace_buffer_unlock_commit(tr, buffer, event, 0, pc);
}
void mmio_trace_mapping(struct mmiotrace_map *map)
--
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