spinlocks using gcc intrinsics

push_off() / pop_off()
set up per-hart plic stuff so all harts get device interrupts

1 files changed, 0 insertions, 2 deletions

diff --git a/spinlock.h b/spinlock.h
index 90bffdb..4392820 100644
--- a/spinlock.h
+++ b/spinlock.h
@@ -5,7 +5,5 @@ struct spinlock {
   // For debugging:
   char *name;        // Name of lock.
   struct cpu *cpu;   // The cpu holding the lock.
-  uint64 pcs[10];      // The call stack (an array of program counters)
-                     // that locked the lock.
 };