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serial: core: Document lock requirement for UPF_* flags updates
authorPeter Hurley <peter@hurleysoftware.com>
Tue, 2 Sep 2014 21:39:19 +0000 (17:39 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 8 Sep 2014 23:23:36 +0000 (16:23 -0700)
The flags field of struct uart_port can only be safely modified
if the port mutex is held; no other lock prevents concurrent
changes from corrupting the field.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
include/linux/serial_core.h patch | blob | history

diff --cc include/linux/serial_core.h
Simple merge
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