On 17.05.2021 15:48, Connor Davis wrote: > > On 5/17/21 3:32 AM, Jan Beulich wrote: >> On 14.05.2021 02:56, Connor Davis wrote: >>> Check if the debug capability is enabled in early_xdbc_parse_parameter, >>> and if it is, return with an error. This avoids collisions with whatever >>> enabled the DbC prior to linux starting. >> Doesn't this go too far and prevent use even if firmware (perhaps >> mistakenly) left it enabled? > > Yes, but how is one supposed to distinguish the broken firmware and > non-broken > > firmware cases? Well, a first step might be to only check if running virtualized. And then if your running virtualized, there might be a way to inquire the hypervisor? Jan
