[CRIU] [PATCH 1/2] tty: Add missing break statement

[Cyrill Gorcunov]

On Wed, May 11, 2016 at 06:53:52PM +0300, Dmitry Safonov wrote:
> On 05/11/2016 06:44 PM, Cyrill Gorcunov wrote:
> > 
> > Then it's an error -- we should provide VT driver
> > for VT terminals only :/
> > 
> > Moreover UART serieal devices (at least for hardware
> > parts I've been working with) require a way more than
> > just plain open() over them to make them work properly
> > after restore.
> 
> Hmm, I remember I tested it with qemu-system-aarch64 and rpi2 box,
> attached with USB-to-serial converter. Currently, can't remember,
> did Raspbeery see it as ttyS0 or ttyAMA0.
> Qemu, as I wrote in commit, looks through ttyAMA0 serial.

qemu may have simple emulated uart device (just like we've
had in lkvm), so that plain open/read/write on it works
just fine. but it not always the true, there might be
exceptions and every driver should be investigated seperately.