add xenomai

hc

2024-11-01 2f529f9b558ca1c1bd74be7437a84e4711743404

 kernel/kernel/trace/trace_irqsoff.c
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@@ -14,6 +14,7 @@
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 #include <linux/uaccess.h>
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 #include <linux/module.h>
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 #include <linux/ftrace.h>
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+#include <linux/irqstage.h>
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 #include <linux/kprobes.h>
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 #include "trace.h"
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@@ -26,7 +27,7 @@
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 static DEFINE_PER_CPU(int, tracing_cpu);
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-static DEFINE_RAW_SPINLOCK(max_trace_lock);
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+static DEFINE_HARD_SPINLOCK(max_trace_lock);
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 enum {
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 	TRACER_IRQS_OFF		= (1 << 1),
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@@ -44,7 +45,7 @@
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 static inline int
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 preempt_trace(int pc)
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 {
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-	return ((trace_type & TRACER_PREEMPT_OFF) && pc);
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+	return (running_inband() && (trace_type & TRACER_PREEMPT_OFF) && pc);
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 }
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 #else
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 # define preempt_trace(pc) (0)
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@@ -55,7 +56,7 @@
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 irq_trace(void)
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 {
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 	return ((trace_type & TRACER_IRQS_OFF) &&
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-		irqs_disabled());
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+		(hard_irqs_disabled() || (running_inband() && irqs_disabled())));
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 }
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 #else
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 # define irq_trace() (0)
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@@ -393,7 +394,7 @@
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 	data->preempt_timestamp = ftrace_now(cpu);
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 	data->critical_start = parent_ip ? : ip;
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-	local_save_flags(flags);
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+	stage_save_flags(flags);
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 	__trace_function(tr, ip, parent_ip, flags, pc);
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@@ -428,7 +429,7 @@
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 	atomic_inc(&data->disabled);
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-	local_save_flags(flags);
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+	stage_save_flags(flags);
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 	__trace_function(tr, ip, parent_ip, flags, pc);
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 	check_critical_timing(tr, data, parent_ip ? : ip, cpu);
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 	data->critical_start = 0;