On Fri, 2018-02-23 at 19:53 +0000, Mario.Limonciello@xxxxxxxx wrote: > > > Marco (CC'ed) privately emailed Pali and I to discuss an issue > > > that > > > dell-laptop > > > wasn't working properly for him and dell-smbios couldn't find a > > > backend. > > > > > > I thought at first it was an issue of the race condition recently > > > discussed but > > > it's actually a case that the distro kernel he's using compiled: > > > > > > DELL_SMBIOS > > > DELL_LAPTOP > > > > > > But didn't select DELL_SMBIOS_WMI or DELL_SMBIOS_SMM. > > > > Distros have to enable whatever they want to. > > At least in this instance I'd hypothesize it's because these are new > config > options that default to off. > > They probably had DELL_SMBIOS enabled before and carried that forward > But there was nothing to transition them to make them turn on > DELL_SMBIOS_WMI or DELL_SMBIOS_SMM. So, the driver requires now _at least_ one of the backend enabled? > > Can it be the Dell model, that survives w/o one of above or even > > both? > > The design as it exists to day is that dell-laptop needs dell-smbios > but > dell-smbios won't run unless it has a backend selected. How was it before? > Something like this maybe then to not let them even try to run dell- > smbios? Wouldn't be a regression still? P.S. See also the link I answered with to Pali. -- Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Intel Finland Oy