Re: [PATCH] vfio: platform: Fix using devices in PM Domains

[Geert Uytterhoeven]

On Wed, Apr 11, 2018 at 11:15 AM, Geert Uytterhoeven
<geert+renesas@xxxxxxxxx> wrote:
> If a device is part of a PM Domain (e.g. power and/or clock domain), its
> power state is managed using Runtime PM.  Without Runtime PM, the device
> may not be powered up, causing subtle failures, crashes, or system
> lock-ups when the device is accessed by the guest.
>
> Fix this by adding Runtime PM support, powering the device when the VFIO
> device is opened by the guest.
>
> Note that while more fine-grained power management could be implemented
> on the guest side, if exported, this would be inherently unsafe, as
> abusing it may kill the whole system.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Please ignore, this was sent accidentally with another series.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds