From 5be0039ce9e22f140a29e167526c64c723c5be3c Mon Sep 17 00:00:00 2001
From: rtm <rtm>
Date: Thu, 10 Aug 2006 22:08:14 +0000
Subject: interrupts could be recursive since lapic_eoi() called before rti so
 fast interrupts overflow the kernel stack fix: cli() before lapic_eoi()

---
 proc.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'proc.h')

diff --git a/proc.h b/proc.h
index c6f5be6..6ed2e78 100644
--- a/proc.h
+++ b/proc.h
@@ -41,8 +41,6 @@ struct proc{
   uint sz; // total size of mem, including kernel stack
   char *kstack; // kernel stack, separate from mem so it doesn't move
   enum proc_state state;
-  enum proc_state newstate; // desired state after swtch()
-  struct spinlock *mtx; // mutex for condition variable
   int pid;
   int ppid;
   void *chan; // sleep
@@ -68,7 +66,9 @@ extern struct proc *curproc[NCPU];  // can be NULL if no proc running.
 struct cpu {
   uchar apicid;       // Local APIC ID
   struct jmpbuf jmpbuf;
+  int guard1;
   char mpstack[MPSTACK]; // per-cpu start-up stack
+  int guard2;
   volatile int booted;
   int nlock; // # of locks currently held
   struct spinlock *lastacquire; // xxx debug
-- 
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