From d5b75b19639320c023b2b9c2fef88b9e167a205f Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Tue, 16 Aug 1994 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1994-08-16

---
 pc/trap.c      | 5 +----
 port/devproc.c | 1 -
 port/portdat.h | 5 +----
 port/portfns.h | 3 ++-
 port/proc.c    | 5 -----
 5 files changed, 4 insertions(+), 15 deletions(-)

diff --git a/pc/trap.c b/pc/trap.c
index 4c1d05ecc89365eae53bd78d6e9caeec4e1f2cef..5a1cc7a0bb51acf880c50848fee75bd932e52b7a 100644
--- a/pc/trap.c
+++ b/pc/trap.c
@@ -376,15 +376,13 @@ dumpstack(void)
 {
 	ulong l, v, i;
 	extern ulong etext;
-	int lim;
 	Crashstate *cs;
 
 	if(up == 0)
 		return;
 
 	i = 0;
-	lim = 6;
-	for(l=(ulong)&l; l<(ulong)(up->kstack+KSTACK) && lim; l+=4){
+	for(l=(ulong)&l; l<(ulong)(up->kstack+KSTACK); l+=4){
 		v = *(ulong*)l;
 		if(KTZERO < v && v < (ulong)&etext){
 			print("%lux ", v);
@@ -393,7 +391,6 @@ dumpstack(void)
 		if(i == 8){
 			i = 0;
 			print("\n");
-			lim--;
 		}
 	}
 
diff --git a/port/devproc.c b/port/devproc.c
index d17d8a94b7f2a40f2df3136d11dbc5f0b5e1d9ff..42fa5b5159ca55399b41bace2639547a7cc98383 100644
--- a/port/devproc.c
+++ b/port/devproc.c
@@ -697,7 +697,6 @@ void
 procctlreq(Proc *p, char *va, int n)
 {
 	char buf[NAMELEN];
-	extern int pfthreshold;
 
 	if(n > NAMELEN)
 		n = NAMELEN;
diff --git a/port/portdat.h b/port/portdat.h
index 99697c75369f806534ee98b4667c8b26572dcc85..a5569f7485d4c2d1c671852339dbddcb431170c0 100644
--- a/port/portdat.h
+++ b/port/portdat.h
@@ -500,10 +500,7 @@ enum
 	NERR = 15,
 	NNOTE = 5,
 
-	Pcounter = 6,		/* per process counters */
-	 CSCNTR = 0,		/*  sched counter */
-	 FAULTCNTR = 1,		/*  fault counter */
-	 TLBCNTR = 2,		/*  utlbmiss */
+	Nrq	= 5,
 };
 
 struct Proc
diff --git a/port/portfns.h b/port/portfns.h
index 72eb61a079a3cc2d4267a1c77bde94fff4677a69..707ac655ffb6fe4b1eeb978c03504b81058b59a2 100644
--- a/port/portfns.h
+++ b/port/portfns.h
@@ -126,6 +126,7 @@ void		machinit(void);
 void*		mallocz(ulong, int);
 void*		malloc(ulong);
 void		mfreeseg(Segment*, ulong, int);
+void		microdelay(int);
 void		mmurelease(Proc*);
 void		mmuswitch(Proc*);
 void		mntdump(void);
@@ -267,7 +268,7 @@ void*		xspanalloc(ulong, int, ulong);
 void		xsummary(void);
 int		z8530m3mouse(Queue*, int);
 int		z8530mouse(Queue*, int);
-void		z8530setup(uchar*, uchar*, uchar*, uchar*, ulong, int, int);
+void		z8530setup(uchar*, uchar*, uchar*, uchar*, ulong, int);
 void		z8530special(int, int, Queue**, Queue**, int (*)(Queue*, int));
 void		z8530intr(int);
 Segment*	data2txt(Segment*);
diff --git a/port/proc.c b/port/proc.c
index 3c941859fb09565c1a987487f54d4f5343e47e2d..e20447d5a0df5eb867c94519ea7310f839268de7 100644
--- a/port/proc.c
+++ b/port/proc.c
@@ -22,11 +22,6 @@ struct
 }waitqalloc;
 
 
-enum
-{
-	Nrq = 5,	/* number of run queues */
-};
-
 int	nrdy;
 Schedq	runq[Nrq];