kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/kernel/trace/trace_mmiotrace.c
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@@ -300,11 +300,10 @@
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 	struct trace_buffer *buffer = tr->array_buffer.buffer;
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 	struct ring_buffer_event *event;
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 	struct trace_mmiotrace_rw *entry;
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-	unsigned int trace_ctx;
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+	int pc = preempt_count();
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-	trace_ctx = tracing_gen_ctx_flags(0);
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 	event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_RW,
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-					  sizeof(*entry), trace_ctx);
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+					  sizeof(*entry), 0, pc);
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 	if (!event) {
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 		atomic_inc(&dropped_count);
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 		return;
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@@ -313,7 +312,7 @@
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 	entry->rw			= *rw;
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 	if (!call_filter_check_discard(call, entry, buffer, event))
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-		trace_buffer_unlock_commit(tr, buffer, event, trace_ctx);
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+		trace_buffer_unlock_commit(tr, buffer, event, 0, pc);
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 }
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 void mmio_trace_rw(struct mmiotrace_rw *rw)
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@@ -331,11 +330,10 @@
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 	struct trace_buffer *buffer = tr->array_buffer.buffer;
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 	struct ring_buffer_event *event;
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 	struct trace_mmiotrace_map *entry;
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-	unsigned int trace_ctx;
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+	int pc = preempt_count();
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-	trace_ctx = tracing_gen_ctx_flags(0);
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 	event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_MAP,
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-					  sizeof(*entry), trace_ctx);
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+					  sizeof(*entry), 0, pc);
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 	if (!event) {
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 		atomic_inc(&dropped_count);
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 		return;
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@@ -344,7 +342,7 @@
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 	entry->map			= *map;
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 	if (!call_filter_check_discard(call, entry, buffer, event))
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-		trace_buffer_unlock_commit(tr, buffer, event, trace_ctx);
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+		trace_buffer_unlock_commit(tr, buffer, event, 0, pc);
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 }
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 void mmio_trace_mapping(struct mmiotrace_map *map)