On Thu, Aug 27, 2020 at 05:49:40PM +0000, Limonciello, Mario wrote: > Can you further elaborate what exactly you're wanting here? VMD enable/disable > is something that is configured in firmware setup as the firmware does the early > configuration for the silicon related to it. So it's up to the OEM whether to > offer the knob to an end user. > > At least for Dell this setting also does export to sysfs and can be turned on/off > around a reboot cycle via this: https://patchwork.kernel.org/patch/11693231/. > > As was mentioned earlier in this thread VMD is likely to be defaulting to "on" > for many machines with the upcoming silicon. Making it work well on Linux is > preferable to again having to change firmware settings between operating systems > like the NVME remapping thing from earlier silicon required. And the right answer is to turn it off, but we really need to do that at runtime, and not over a reboot cycle..
