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author	Peter Hurley <peter@hurleysoftware.com>
	Sat, 15 Jun 2013 13:14:31 +0000 (09:14 -0400)
committer	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
	Tue, 23 Jul 2013 23:43:02 +0000 (16:43 -0700)
commit	d8c1f929aa8164cd8eaa830068d2fa3159c0764a
tree	1371cfe90fffdcb7115b39c77e0f729c109efc69	tree \| snapshot (tar.gz zip)
parent	fb7aa03db605e4f0b9a62cd4c77177c2596edd95	commit \| diff

tty: Only guarantee termios read safety for throttle/unthrottle

No tty driver modifies termios during throttle() or unthrottle().
Therefore, only read safety is required.

However, tty_throttle_safe and tty_unthrottle_safe must still be
mutually exclusive; introduce throttle_mutex for that purpose.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/n_tty.c		diff \| blob \| blame \| history
drivers/tty/tty_io.c		diff \| blob \| blame \| history
drivers/tty/tty_ioctl.c		diff \| blob \| blame \| history
include/linux/tty.h		diff \| blob \| blame \| history

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