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Remove a tty_lock for now - I know that this is wrong, but the whole 

tty subsystem locking is not consistent and Andrew didn't have
time to come up (or guide to) the right fix.
This prevents machines with serial console on zs(4) from deadlocking on
first input.
This commit is contained in:
martin 2008-03-14 08:23:51 +00:00
parent b6044f13b8
commit df9cb44ea9
1 changed files with 2 additions and 4 deletions
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6
sys/dev/ic/z8530tty.c
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@ -1,4 +1,4 @@
/* $NetBSD: z8530tty.c,v 1.120 2008/01/20 18:09:11 joerg Exp $ */
/* $NetBSD: z8530tty.c,v 1.121 2008/03/14 08:23:51 martin Exp $ */
/*-
* Copyright (c) 1993, 1994, 1995, 1996, 1997, 1998, 1999
@ -137,7 +137,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: z8530tty.c,v 1.120 2008/01/20 18:09:11 joerg Exp $");
__KERNEL_RCSID(0, "$NetBSD: z8530tty.c,v 1.121 2008/03/14 08:23:51 martin Exp $");
#include "opt_kgdb.h"
#include "opt_ntp.h"
@ -1719,9 +1719,7 @@ zstty_softint(cs)
struct zs_chanstate *cs;
{
mutex_spin_enter(&tty_lock);
zstty_softint1(cs);
mutex_spin_exit(&tty_lock);
}
static void