On 27.04.2021 16:04, Jan Beulich wrote: > On 27.04.2021 15:49, Andrew Cooper wrote: >> However, is there really any value in these options? I can't see a case >> where their use will result in a less broken system. > > Well, if we mis-detect VRAM size, the respective option might indeed > help. I'm less certain of the utility of the mapping option, the more > that now there's no possible (and implicit) effect on MTRRs anymore.
Actually I was wrong with referring to an implied effect on MTRRs - that would come from "vesa-ram=". "vesa-map=" may help if we mis-detected the space we actually need for the mode. However, we'd then be screwed up elsewhere as well, so I guess I'll add a patch removing "vesa-map=" as well. Jan