From: Daniel Walker <dwalker@mvista.com>
To: akpm@linux-foundation.org
Cc: mingo@elte.hu, linux-kernel@vger.kernel.org, linux@bohmer.net,
jonathan@jonmasters.org, matthias.kaehlcke@gmail.com
Subject: [PATCH 1/3] drivers/char/tty_io.c: remove pty_sem
Date: Tue, 04 Dec 2007 00:00:01 -0800 [thread overview]
Message-ID: <20071204215003.291002606@mvista.com> (raw)
Message-ID: <20071204214954.656363725@mvista.com> (raw)
[-- Attachment #1: remove-pty_sem-from-tty_bufhead.patch --]
[-- Type: text/plain, Size: 1140 bytes --]
I couldn't find any users, so removing it..
Signed-off-by: Daniel Walker <dwalker@mvista.com>
---
drivers/char/tty_io.c | 1 -
include/linux/tty.h | 1 -
2 files changed, 2 deletions(-)
Index: linux-2.6.23/drivers/char/tty_io.c
===================================================================
--- linux-2.6.23.orig/drivers/char/tty_io.c
+++ linux-2.6.23/drivers/char/tty_io.c
@@ -3721,7 +3721,6 @@ static void initialize_tty_struct(struct
tty->buf.head = tty->buf.tail = NULL;
tty_buffer_init(tty);
INIT_DELAYED_WORK(&tty->buf.work, flush_to_ldisc);
- init_MUTEX(&tty->buf.pty_sem);
mutex_init(&tty->termios_mutex);
init_waitqueue_head(&tty->write_wait);
init_waitqueue_head(&tty->read_wait);
Index: linux-2.6.23/include/linux/tty.h
===================================================================
--- linux-2.6.23.orig/include/linux/tty.h
+++ linux-2.6.23/include/linux/tty.h
@@ -73,7 +73,6 @@ struct tty_buffer {
struct tty_bufhead {
struct delayed_work work;
- struct semaphore pty_sem;
spinlock_t lock;
struct tty_buffer *head; /* Queue head */
struct tty_buffer *tail; /* Active buffer */
--
next reply other threads:[~2007-12-04 22:01 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20071204214954.656363725@mvista.com>
2007-12-04 8:00 ` Daniel Walker [this message]
2007-12-04 23:27 ` [PATCH 1/3] drivers/char/tty_io.c: remove pty_sem Alan Cox
2007-12-04 8:00 ` [PATCH 2/3] drivers/isdn/i4l/isdn_tty.c: remove write_sem Daniel Walker
2007-12-04 8:00 ` [PATCH 3/3] unix98 allocated_ptys_lock semaphore to mutex Daniel Walker
2007-12-04 22:17 ` Ingo Molnar
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