use acquire/release to force order for pid=np->pid;np->state=RUNNING

for bug reported by [email protected] and [email protected]

1 files changed, 1 insertions, 1 deletions

diff --git a/proc.h b/proc.h
index 6561ad3..3b9c3ac 100644
--- a/proc.h
+++ b/proc.h
@@ -57,7 +57,7 @@ struct proc {
   pde_t* pgdir;                // Page table
   char *kstack;                // Bottom of kernel stack for this process
   enum procstate state;        // Process state
-  volatile int pid;            // Process ID
+  int pid;                     // Process ID
   struct proc *parent;         // Parent process
   struct trapframe *tf;        // Trap frame for current syscall
   struct context *context;     // swtch() here to run process