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tty: Fix comments that reference BKL, eventd, old paths 

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kevin Cernekee 2012-12-26 20:43:41 -08:00 committed by Greg Kroah-Hartman
parent a205a56dc2
commit ef4f527c48
2 changed files with 10 additions and 10 deletions
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18
drivers/tty/serial/serial_core.c
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@ -1309,9 +1309,10 @@ static void uart_set_termios(struct tty_struct *tty,
}
/*
* In 2.4.5, calls to this will be serialized via the BKL in
* linux/drivers/char/tty_io.c:tty_release()
* linux/drivers/char/tty_io.c:do_tty_handup()
* Calls to uart_close() are serialised via the tty_lock in
* drivers/tty/tty_io.c:tty_release()
* drivers/tty/tty_io.c:do_tty_hangup()
* This runs from a workqueue and can sleep for a _short_ time only.
*/
static void uart_close(struct tty_struct *tty, struct file *filp)
{
@ -1438,10 +1439,9 @@ static void uart_wait_until_sent(struct tty_struct *tty, int timeout)
}
/*
* This is called with the BKL held in
* linux/drivers/char/tty_io.c:do_tty_hangup()
* We're called from the eventd thread, so we can sleep for
* a _short_ time only.
* Calls to uart_hangup() are serialised by the tty_lock in
* drivers/tty/tty_io.c:do_tty_hangup()
* This runs from a workqueue and can sleep for a _short_ time only.
*/
static void uart_hangup(struct tty_struct *tty)
{
@ -1522,8 +1522,8 @@ static void uart_dtr_rts(struct tty_port *port, int onoff)
}
/*
* calls to uart_open are serialised by the BKL in
* fs/char_dev.c:chrdev_open()
* Calls to uart_open are serialised by the tty_lock in
* drivers/tty/tty_io.c:tty_open()
* Note that if this fails, then uart_close() _will_ be called.
*
* In time, we want to scrap the "opening nonpresent ports"

2
drivers/tty/tty_io.c
View File

@ -536,7 +536,7 @@ EXPORT_SYMBOL_GPL(tty_wakeup);
* __tty_hangup - actual handler for hangup events
* @work: tty device
*
* This can be called by the "eventd" kernel thread. That is process
* This can be called by a "kworker" kernel thread. That is process
* synchronous but doesn't hold any locks, so we need to make sure we
* have the appropriate locks for what we're doing.
*