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authorrsc <rsc>2006-07-16 15:38:13 +0000
committerrsc <rsc>2006-07-16 15:38:13 +0000
commit679a977cb2d4df42ce1f144593716aeb855d7a92 (patch)
tree62c881253f6567a9298a7b98f571b268aae34c86
parentf3d290220f072a7053b9a368bf7c42e8e2945c7e (diff)
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remove acquire1 and release1
-rw-r--r--defs.h2
-rw-r--r--spinlock.c20
2 files changed, 4 insertions, 18 deletions
diff --git a/defs.h b/defs.h
index 0288a62..cb129a4 100644
--- a/defs.h
+++ b/defs.h
@@ -64,8 +64,6 @@ int cpu(void);
struct spinlock;
void acquire(struct spinlock * lock);
void release(struct spinlock * lock);
-void acquire1(struct spinlock * lock, struct proc *);
-void release1(struct spinlock * lock, struct proc *);
// main.c
void load_icode(struct proc *p, uint8_t *binary, unsigned size);
diff --git a/spinlock.c b/spinlock.c
index aa11ad5..7ab0bbe 100644
--- a/spinlock.c
+++ b/spinlock.c
@@ -10,7 +10,7 @@
// because cprintf uses them itself.
#define cprintf dont_use_cprintf
-extern int use_console_lock;
+extern int bootstrap;
int
getcallerpc(void *v)
@@ -19,7 +19,7 @@ getcallerpc(void *v)
}
void
-acquire1(struct spinlock * lock, struct proc *cp)
+acquire(struct spinlock * lock)
{
if(cpus[cpu()].nlock++ == 0)
cli();
@@ -30,23 +30,11 @@ acquire1(struct spinlock * lock, struct proc *cp)
}
void
-release1(struct spinlock * lock, struct proc *cp)
+release(struct spinlock * lock)
{
cpuid(0, 0, 0, 0, 0); // memory barrier
lock->locked = 0;
- if(--cpus[cpu()].nlock == 0)
+ if(--cpus[cpu()].nlock == 0 && !bootstrap)
sti();
}
-void
-acquire(struct spinlock *lock)
-{
- acquire1(lock, curproc[cpu()]);
-}
-
-void
-release(struct spinlock *lock)
-{
- release1(lock, curproc[cpu()]);
-}
-