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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-08-12 13:24:29 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-08-12 23:29:30 +0200 |
| commit | dd2ffd2ed67f2a867f62d30b8ff38516a80ea8e6 (patch) | |
| tree | 468336428c4f9fc1a2c2b5cfa41a7d98e464621e /i386/i386at/kd.c | |
| parent | 34890b4939c1ee8190a103b8693e94ddffe13ffa (diff) | |
| download | gnumach-dd2ffd2ed67f2a867f62d30b8ff38516a80ea8e6.tar.gz gnumach-dd2ffd2ed67f2a867f62d30b8ff38516a80ea8e6.tar.bz2 gnumach-dd2ffd2ed67f2a867f62d30b8ff38516a80ea8e6.zip | |
tty: Convert t_lock to using simple_lock_irq
Diffstat (limited to 'i386/i386at/kd.c')
| -rw-r--r-- | i386/i386at/kd.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/i386/i386at/kd.c b/i386/i386at/kd.c index 2fa7b60d..e9b110bf 100644 --- a/i386/i386at/kd.c +++ b/i386/i386at/kd.c @@ -441,13 +441,12 @@ kdopen( spl_t o_pri; tp = &kd_tty; - o_pri = spltty(); - simple_lock(&tp->t_lock); + o_pri = simple_lock_irq(&tp->t_lock); if (!(tp->t_state & (TS_ISOPEN|TS_WOPEN))) { /* XXX ttychars allocates memory */ - simple_unlock(&tp->t_lock); + simple_unlock_nocheck(&tp->t_lock.slock); ttychars(tp); - simple_lock(&tp->t_lock); + simple_lock_nocheck(&tp->t_lock.slock); /* * Special support for boot-time rc scripts, which don't * stty the console. @@ -459,8 +458,7 @@ kdopen( kdinit(); } tp->t_state |= TS_CARR_ON; - simple_unlock(&tp->t_lock); - splx(o_pri); + simple_unlock_irq(o_pri, &tp->t_lock); return (char_open(dev, tp, flag, ior)); } @@ -484,11 +482,10 @@ kdclose(dev_t dev, int flag) tp = &kd_tty; { - spl_t s = spltty(); - simple_lock(&tp->t_lock); + spl_t s; + s = simple_lock_irq(&tp->t_lock); ttyclose(tp); - simple_unlock(&tp->t_lock); - splx(s); + simple_unlock_irq(s, &tp->t_lock); } return; |