On Mon, May 10, 2021 at 7:10 PM Kuppuswamy, Sathyanarayanan <sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx> wrote: > > > > On 5/10/21 9:55 AM, Rafael J. Wysocki wrote: > > I'm not sure how my comment regarding the fact that for a given CPU > > this function is only usable once has been addressed. > > > > While it may not be a practical concern in the use case that you are > > after (TDX), this is a generic mechanism and it needs to cover other > > possible usage scenarios. > > For the same CPU, if we try to use mailbox again, firmware will not > respond to it. Well, theoretically, but what if it checks the mailbox every time for all CPUs? Or similar? > So the command will timeout and return error. If the firmware behaves as expected, but what if it doesn't?
