Date: Sun, 26 Oct 2008 14:14:30 GMT From: Ed Schouten <ed@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 151955 for review Message-ID: <200810261414.m9QEEUUb068487@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=151955 Change 151955 by ed@ed_mekker on 2008/10/26 14:14:18 Recursive locking inside the TTY layer is now gone. Affected files ... .. //depot/projects/mpsafetty/sys/kern/tty.c#59 edit .. //depot/projects/mpsafetty/sys/kern/tty_cons.c#4 edit Differences ... ==== //depot/projects/mpsafetty/sys/kern/tty.c#59 (text+ko) ==== @@ -1197,11 +1197,7 @@ int error; int revokecnt = tp->t_revokecnt; -#if 0 - /* XXX: /dev/console also picks up Giant. */ tty_lock_assert(tp, MA_OWNED|MA_NOTRECURSED); -#endif - tty_lock_assert(tp, MA_OWNED); MPASS(!tty_gone(tp)); error = cv_wait_sig(cv, tp->t_mtx); @@ -1223,11 +1219,7 @@ int error; int revokecnt = tp->t_revokecnt; -#if 0 - /* XXX: /dev/console also picks up Giant. */ tty_lock_assert(tp, MA_OWNED|MA_NOTRECURSED); -#endif - tty_lock_assert(tp, MA_OWNED); MPASS(!tty_gone(tp)); error = cv_timedwait_sig(cv, tp->t_mtx, hz); ==== //depot/projects/mpsafetty/sys/kern/tty_cons.c#4 (text+ko) ==== @@ -594,8 +594,6 @@ cn_drvinit(void *unused) { - /*make_dev(&cn_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600, "console");*/ - mtx_init(&cnputs_mtx, "cnputs_mtx", NULL, MTX_SPIN | MTX_NOWITNESS); use_cnputs_mtx = 1; }
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