Peter Hurley e9975fdec0 tty: Ensure single-threaded flip buffer consumer with mutex
The buffer work may race with parallel tty_buffer_flush. Use a
mutex to guarantee exclusive modify access to the head flip
buffer.

Remove the unneeded spin lock.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-07-23 16:47:09 -07:00
..
2013-07-06 23:04:23 +04:00
2013-07-16 22:37:09 -07:00
2013-07-16 22:37:09 -07:00