Messages in this thread | | | From | Geert Uytterhoeven <> | Date | Wed, 11 Apr 2018 11:21:45 +0200 | Subject | Re: [PATCH] vfio: platform: Fix using devices in PM Domains |
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On Wed, Apr 11, 2018 at 11:15 AM, Geert Uytterhoeven <geert+renesas@glider.be> 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@glider.be>
Please ignore, this was sent accidentally with another series.
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
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
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