From ca8d8dd2e10b77d4b59efb2787d83e17432bf355 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Sat, 28 Feb 1998 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1998-02-28

---
 port/taslock.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/port/taslock.c b/port/taslock.c
index 31051540ded092f3aaa4ff22f2c5a5aacaffaec6..275567a869f4aa06c78fca2cb13a704f29aebcad 100644
--- a/port/taslock.c
+++ b/port/taslock.c
@@ -69,8 +69,10 @@ ilock(Lock *l)
 	}
 
 	for(;;){
+		splx(x);
 		while(l->key)
 			;
+		x = splhi();
 		if(tas(&l->key) == 0){
 			l->sr = x;
 			l->pc = pc;