The patch titled
nozomi: Prepare for BKL pushdown
has been added to the -mm tree. Its filename is
nozomi-prepare-for-bkl-pushdown.patch
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------------------------------------------------------
Subject: nozomi: Prepare for BKL pushdown
From: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
We leave the BKL around the rts/dtr handler because there is *no* locking
of any kind on this in the driver. It's not "right" with this change but
it's the same wrong as before..
Signed-off-by: Alan Cox <alan@xxxxxxxxxx>
Cc: Greg KH <greg@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/char/nozomi.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN drivers/char/nozomi.c~nozomi-prepare-for-bkl-pushdown drivers/char/nozomi.c
--- a/drivers/char/nozomi.c~nozomi-prepare-for-bkl-pushdown
+++ a/drivers/char/nozomi.c
@@ -1716,6 +1716,7 @@ static int ntty_tiocmget(struct tty_stru
static int ntty_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear)
{
+ lock_kernel(); /* FIXME: Add internal locking */
if (set & TIOCM_RTS)
set_rts(tty, 1);
else if (clear & TIOCM_RTS)
@@ -1725,7 +1726,7 @@ static int ntty_tiocmset(struct tty_stru
set_dtr(tty, 1);
else if (clear & TIOCM_DTR)
set_dtr(tty, 0);
-
+ unlock_kernel();
return 0;
}
_
Patches currently in -mm which might be from alan@xxxxxxxxxxxxxxxxxxx are
origin.patch
libata-isolate-and-rework-cable-logic.patch
pata_amd-fix-sparse-warning.patch
8390-split-8390-support-into-a-pausing-and-a-non-pausing-driver-core.patch
parisc-new-termios-definitions.patch
megaraid-outb_p-extermination.patch
usb-serial-prepare-for-bkl-push-down.patch
ftdi_sio-note-missing-locking.patch
usb-serial-note-mos7480-and-option-dont-lock-modem-status.patch
io_ti-lock-mcr-and-msr-shadows-properly.patch
iuu_phoenix-lock-priv-tiostatus-properly.patch
kobil_sct-get-rid-of-unneeded-priv-line_state.patch
ti_usb_3410_5052-extend-locking-to-msr-and-shadow-mcr.patch
git-watchdog.patch
crisv10-prepare-for-bkl-push-down.patch
fix-tty-speed-handling-on-8250.patch
uart_get_baud_rate-stop-mangling-termios.patch
do_task_stat-dont-take-rcu_read_lock.patch
amiserial-prepare-for-locking-relaxation-in-caller.patch
cyclades-prepare-for-relaxed-locking-in-callers.patch
epca-lock_kernel-push-down.patch
esp-lock_kernel-push-down.patch
isicom-prepare-for-lock_kernel-push-down.patch
isicom-istallion-prepare-for-lock_kernel-pushdown.patch
mxser-prepare-for-bkl-pushdown.patch
nozomi-prepare-for-bkl-pushdown.patch
riscom8-prepare-for-bkl-pushdown.patch
rocket-prepare-for-bkl-pushdown.patch
serial167-prepare-to-push-bkl-down-into-drivers.patch
specialix-prepare-for-bkl-pushdown.patch
stallion-prepare-for-bkl-push-down.patch
sx-prepare-for-bkl-pushdown.patch
synclink-series-prepare-for-bkl-pushdown.patch
viocons-bkl-locking.patch
vt_ioctl-prepare-for-bkl-push-down.patch
isdn_tty-prepare-for-bkl-push-down.patch
68360serial-note-that-there-isnt-any-info-mcr-locking.patch
serial_core-prepare-for-bkl-push-down.patch
tty-bkl-pushdown.patch
tty-bkl-pushdown-fix1.patch
redo-locking-of-tty-pgrp.patch
put_pid-make-sure-we-dont-free-the-live-pid.patch
-
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