diff options
Diffstat (limited to 'sys/kern/kern_lock.c')
| -rw-r--r-- | sys/kern/kern_lock.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/kern/kern_lock.c b/sys/kern/kern_lock.c index e1a8adc59a7..657e028d4c5 100644 --- a/sys/kern/kern_lock.c +++ b/sys/kern/kern_lock.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_lock.c,v 1.63 2018/04/26 06:51:48 mpi Exp $ */ +/* $OpenBSD: kern_lock.c,v 1.64 2018/05/14 12:31:21 mpi Exp $ */ /* * Copyright (c) 2017 Visa Hankala @@ -113,10 +113,12 @@ ___mp_lock_init(struct __mp_lock *mpl, struct lock_type *type) static __inline void __mp_lock_spin(struct __mp_lock *mpl, u_int me) { + struct schedstate_percpu *spc = &curcpu()->ci_schedstate; #ifdef MP_LOCKDEBUG int nticks = __mp_lock_spinout; #endif + spc->spc_spinning++; while (mpl->mpl_ticket != me) { CPU_BUSY_CYCLE(); @@ -128,6 +130,7 @@ __mp_lock_spin(struct __mp_lock *mpl, u_int me) } #endif } + spc->spc_spinning--; } void @@ -257,10 +260,12 @@ __mtx_init(struct mutex *mtx, int wantipl) void __mtx_enter(struct mutex *mtx) { + struct schedstate_percpu *spc = &curcpu()->ci_schedstate; #ifdef MP_LOCKDEBUG int nticks = __mp_lock_spinout; #endif + spc->spc_spinning++; while (__mtx_enter_try(mtx) == 0) { CPU_BUSY_CYCLE(); @@ -272,6 +277,7 @@ __mtx_enter(struct mutex *mtx) } #endif } + spc->spc_spinning--; } int |