Split out irqflags_types.h

We're working on only pulling in type definitions to sched.h whenever
possible.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

include/linux/irqflags.h

@@ -12,6 +12,7 @@
 #ifndef _LINUX_TRACE_IRQFLAGS_H
 #define _LINUX_TRACE_IRQFLAGS_H
 
+#include <linux/irqflags_types.h>
 #include <linux/typecheck.h>
 #include <linux/cleanup.h>
 #include <asm/irqflags.h>
@@ -34,19 +35,6 @@
 
 #ifdef CONFIG_TRACE_IRQFLAGS
 
-/* Per-task IRQ trace events information. */
-struct irqtrace_events {
-	unsigned int	irq_events;
-	unsigned long	hardirq_enable_ip;
-	unsigned long	hardirq_disable_ip;
-	unsigned int	hardirq_enable_event;
-	unsigned int	hardirq_disable_event;
-	unsigned long	softirq_disable_ip;
-	unsigned long	softirq_enable_ip;
-	unsigned int	softirq_disable_event;
-	unsigned int	softirq_enable_event;
-};
-
 DECLARE_PER_CPU(int, hardirqs_enabled);
 DECLARE_PER_CPU(int, hardirq_context);
 

include/linux/irqflags_types.h

+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_IRQFLAGS_TYPES_H
+#define _LINUX_IRQFLAGS_TYPES_H
+
+#ifdef CONFIG_TRACE_IRQFLAGS
+
+/* Per-task IRQ trace events information. */
+struct irqtrace_events {
+	unsigned int	irq_events;
+	unsigned long	hardirq_enable_ip;
+	unsigned long	hardirq_disable_ip;
+	unsigned int	hardirq_enable_event;
+	unsigned int	hardirq_disable_event;
+	unsigned long	softirq_disable_ip;
+	unsigned long	softirq_enable_ip;
+	unsigned int	softirq_disable_event;
+	unsigned int	softirq_enable_event;
+};
+
+#endif
+
+#endif /* _LINUX_IRQFLAGS_TYPES_H */

include/linux/sched.h

@@ -11,6 +11,7 @@
 
 #include <asm/current.h>
 
+#include <linux/irqflags_types.h>
 #include <linux/pid_types.h>
 #include <linux/sem.h>
 #include <linux/shm.h>
@@ -18,7 +19,6 @@
 #include <linux/mutex_types.h>
 #include <linux/plist_types.h>
 #include <linux/hrtimer_types.h>
-#include <linux/irqflags.h>
 #include <linux/seccomp.h>
 #include <linux/nodemask_types.h>
 #include <linux/rcupdate.h>