From 3d2b230129a8376f215b1ccba2a855233c5bbd03 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Sat, 1 Jan 1994 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1994-01-01

---
 pc/mem.h       | 2 +-
 port/devproc.c | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/pc/mem.h b/pc/mem.h
index 3b4faee802a5cb9138e2ba0cf0ad49444adea820..db5ab4f333556d5b285a411377d9a40a295c8ba3 100644
--- a/pc/mem.h
+++ b/pc/mem.h
@@ -49,7 +49,7 @@
 #define KSTACK		4096			/* Size of kernel stack */
 #define ROMBIOS		(KZERO|0xF0000)
 #define	ISAMEMSIZE	(4*MB)			/* mem space reserved for ISA */
-#define globalmem(x)	(((ulong)x)&KZERO)	/* addresses valid in all contexts */
+#define globalmem(x)	((((ulong)x)&0xF0000000)==KZERO)	/* addresses valid in all contexts */
 
 #define	MACHSIZE	4096
 
diff --git a/port/devproc.c b/port/devproc.c
index 4b74abec9fa019870e81aa4173f403d1bc146ef2..c6dc6cf545794bdabe0ad914b9d1347def62444b 100644
--- a/port/devproc.c
+++ b/port/devproc.c
@@ -818,8 +818,6 @@ procctlmemio(Proc *p, ulong offset, int n, void *va, int read)
 	if(read == 0)
 		p->newtlb = 1;
 
-	qunlock(&s->lk);
-
 	return n;
 }