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| author | Peter Hurley <peter@hurleysoftware.com> | 2014-09-02 17:39:19 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-08 16:23:36 -0700 |
| commit | 8a949b07e4062cbd07e04e6a47249e69ca65b944 (patch) | |
| tree | fd8cfdd636e4bd27bcf6c3af31da41149d3139e4 /drivers/tty/serial/8250/8250_core.c | |
| parent | 16020b989ac72b0b02654612a7b70398a7faac21 (diff) | |
| download | op-kernel-dev-8a949b07e4062cbd07e04e6a47249e69ca65b944.zip op-kernel-dev-8a949b07e4062cbd07e04e6a47249e69ca65b944.tar.gz | |
serial: core: Document lock requirement for UPF_* flags updates
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>
Diffstat (limited to 'drivers/tty/serial/8250/8250_core.c')
0 files changed, 0 insertions, 0 deletions
