From b1ac98d8b27a21983ff38293ee3bb7e961552a64 Mon Sep 17 00:00:00 2001
From: Julian Elischer <julian@FreeBSD.org>
Date: Fri, 2 May 2003 00:33:12 +0000
Subject: [PATCH] Move the flag that indicates an idle thread from the KSE to
 the thread. It was always referenced via the thread anyhow.

Reviewed by:	jhb (a LOOOOONG time ago)
---
 sys/kern/kern_idle.c | 2 +-
 sys/kern/kern_intr.c | 2 +-
 sys/kern/kern_ktr.c  | 2 +-
 sys/kern/sched_ule.c | 2 +-
 sys/sys/proc.h       | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/sys/kern/kern_idle.c b/sys/kern/kern_idle.c
index a3a949516fa9..825b2f04189e 100644
--- a/sys/kern/kern_idle.c
+++ b/sys/kern/kern_idle.c
@@ -67,7 +67,7 @@ idle_setup(void *dummy)
 		p->p_state = PRS_NORMAL;
 		td = FIRST_THREAD_IN_PROC(p);
 		td->td_state = TDS_CAN_RUN;
-		td->td_kse->ke_flags |= KEF_IDLEKSE;
+		td->td_flags |= TDF_IDLETD;
 		mtx_unlock_spin(&sched_lock);
 		PROC_UNLOCK(p);
 #ifdef SMP
diff --git a/sys/kern/kern_intr.c b/sys/kern/kern_intr.c
index 5a1a0c2ba677..3405687a9ee3 100644
--- a/sys/kern/kern_intr.c
+++ b/sys/kern/kern_intr.c
@@ -397,7 +397,7 @@ ithread_schedule(struct ithd *ithread, int do_switch)
 			KASSERT((TD_IS_RUNNING(ctd)),
 			    ("ithread_schedule: Bad state for curthread."));
 			ctd->td_proc->p_stats->p_ru.ru_nivcsw++;
-			if (ctd->td_kse->ke_flags & KEF_IDLEKSE)
+			if (ctd->td_flags & TDF_IDLETD)
 				ctd->td_state = TDS_CAN_RUN; /* XXXKSE */
 			mi_switch();
 		} else {
diff --git a/sys/kern/kern_ktr.c b/sys/kern/kern_ktr.c
index 35a15fd6a0f2..245440681986 100644
--- a/sys/kern/kern_ktr.c
+++ b/sys/kern/kern_ktr.c
@@ -195,7 +195,7 @@ ktr_tracepoint(u_int mask, const char *file, int line, const char *format,
 #ifdef KTR_ALQ
 	if (ktr_alq_enabled &&
 	    td->td_critnest == 0 &&
-	    (td->td_kse->ke_flags & KEF_IDLEKSE) == 0 &&
+	    (td->td_flags & TDF_IDLETD) == 0 &&
 	    td != ald_thread) {
 		if (ktr_alq_max && ktr_alq_cnt > ktr_alq_max)
 			goto done;
diff --git a/sys/kern/sched_ule.c b/sys/kern/sched_ule.c
index e3c5a8eb1f0e..49329f9f91d3 100644
--- a/sys/kern/sched_ule.c
+++ b/sys/kern/sched_ule.c
@@ -901,7 +901,7 @@ sched_clock(struct kse *ke)
 	if (ke->ke_ftick + SCHED_CPU_TICKS + hz < ke->ke_ltick)
 		sched_pctcpu_update(ke);
 
-	if (td->td_kse->ke_flags & KEF_IDLEKSE)
+	if (td->td_flags & TD_IDLETD)
 		return;
 
 	CTR4(KTR_ULE, "Tick kse %p (slice: %d, slptime: %d, runtime: %d)",
diff --git a/sys/sys/proc.h b/sys/sys/proc.h
index ab6950ee6b0f..92f97396287a 100644
--- a/sys/sys/proc.h
+++ b/sys/sys/proc.h
@@ -350,6 +350,7 @@ struct thread {
 #define	TDF_CAN_UNBIND	0x000004 /* Only temporarily bound. */
 #define	TDF_SINTR	0x000008 /* Sleep is interruptible. */
 #define	TDF_TIMEOUT	0x000010 /* Timing out during sleep. */
+#define	TDF_IDLETD	0x000020 /* This is one of the per-CPU idle threads */
 #define	TDF_SELECT	0x000040 /* Selecting; wakeup/waiting danger. */
 #define	TDF_CVWAITQ	0x000080 /* Thread is on a cv_waitq (not slpq). */
 #define	TDF_UPCALLING	0x000100 /* This thread is doing an upcall. */
@@ -450,7 +451,6 @@ struct kse {
 };
 
 /* flags kept in ke_flags */
-#define	KEF_IDLEKSE	0x00004	/* A 'Per CPU idle process'.. has one thread */
 #define	KEF_DIDRUN	0x02000	/* KSE actually ran. */
 #define	KEF_EXIT	0x04000	/* KSE is being killed. */