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There used to be a single tty_ldisc_ref_wait. But then, when a big-tty-mutex (BTM) was introduced, it has to be tty_ldisc_ref + tty_unlock + tty_ldisc_ref_wait + tty_lock. Later, BTM was removed from that path and tty_ldisc_ref + tty_ldisc_ref_wait remained there. But it makes no sense now. So leave there only tty_ldisc_ref_wait. And when we have a reference to an ldisc, actually use it in the loop. Otherwise it may be racy. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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.gitignore | ||
consolemap.c | ||
cp437.uni | ||
defkeymap.c_shipped | ||
defkeymap.map | ||
keyboard.c | ||
Makefile | ||
selection.c | ||
vc_screen.c | ||
vt_ioctl.c | ||
vt.c |