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. So the command will timeout and return error. -- Sathyanarayanan Kuppuswamy Linux Kernel Developer
