Re: Wake-up from suspend to RAM broken under `retbleed=stuff`
From: Jan Beulich
Date: Wed Jan 11 2023 - 06:49:52 EST
On 11.01.2023 12:39, Andrew Cooper wrote:
> The bigger issue with stuff accounting is that nothing AFAICT accounts
> for the fact that any hypercall potentially empties the RSB in otherwise
> synchronous program flow.
But that's not just at hypercall boundaries, but effectively anywhere
(i.e. whenever the hypervisor decides to de-schedule the vCPU)?
Jan