diff options
| author | Masao Uebayashi <uebayasi@cvs.openbsd.org> | 2013-12-05 01:28:46 +0000 |
|---|---|---|
| committer | Masao Uebayashi <uebayasi@cvs.openbsd.org> | 2013-12-05 01:28:46 +0000 |
| commit | a4743057deb363d8d599826bc83fea9d691a406e (patch) | |
| tree | 14e4e9747855d1cec1dae7867cb87355b5cc6e93 /sys/arch/amd64 | |
| parent | 126d857b1c9bbed67bb0ba78d922048740d74e6c (diff) | |
Correct spin timeout detection in __mp_lock debug code.
OK pirofti@ krw@ miod@
Diffstat (limited to 'sys/arch/amd64')
| -rw-r--r-- | sys/arch/amd64/amd64/lock_machdep.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/arch/amd64/amd64/lock_machdep.c b/sys/arch/amd64/amd64/lock_machdep.c index 514fb6faf13..641b973a83f 100644 --- a/sys/arch/amd64/amd64/lock_machdep.c +++ b/sys/arch/amd64/amd64/lock_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: lock_machdep.c,v 1.3 2008/12/04 15:48:19 weingart Exp $ */ +/* $OpenBSD: lock_machdep.c,v 1.4 2013/12/05 01:28:45 uebayasi Exp $ */ /* * Copyright (c) 2007 Artur Grabowski <art@openbsd.org> @@ -52,7 +52,7 @@ __mp_lock_spin(struct __mp_lock *mpl) #else int ticks = __mp_lock_spinout; - while (mpl->mpl_count != 0 && ticks-- > 0) + while (mpl->mpl_count != 0 && --ticks > 0) SPINLOCK_SPIN_HOOK; if (ticks == 0) { |