On Tue, 29 Nov 2022 17:06:26 +0100 Lukas Wunner <lukas@xxxxxxxxx> wrote: > On Tue, Nov 29, 2022 at 08:46:46AM -0700, Alex Williamson wrote: > > Maybe the elephant in the room is why it's apparently such common > > practice to need to perform a hard reset these devices outside of > > virtualization scenarios... > > These GPUs are used as accelerators in cloud environments. > > They're reset to a pristine state when handed out to another tenant > to avoid info leaks from the previous tenant. > > That should be a legitimate usage of PCIe reset, no? Absolutely, but why the whole switch? Thanks, Alex