From bc8221a59c083811ee2d8c49c0342ea59caa6d51 Mon Sep 17 00:00:00 2001
From: Robert Morris <rtm@csail.mit.edu>
Date: Fri, 2 Sep 2016 05:40:54 -0400
Subject: comment about sched() saving/restoring cpu->intena

---
 spinlock.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'spinlock.c')

diff --git a/spinlock.c b/spinlock.c
index a5f0b21..bf863ef 100644
--- a/spinlock.c
+++ b/spinlock.c
@@ -102,8 +102,9 @@ pushcli(void)
 
   eflags = readeflags();
   cli();
-  if(cpu->ncli++ == 0)
+  if(cpu->ncli == 0)
     cpu->intena = eflags & FL_IF;
+  cpu->ncli += 1;
 }
 
 void
-- 
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