On Sun, 28 Jun 2015, Mike Galbraith wrote: > > > > > BIOS setting "Limit CPUID Maximum" upsets new fpu code mightily. > > > > Well, it is supposed to disable CPUID levels >= 0x04. This thing should > > *NEVER* be enabled, the last operating system that required it to be enabled > > was Windows 98. > > > > Can/do we override that crap during cpu init? If we cannot/don't, maybe > > instead of limping along with CPUID crippled, it would be better to either > > output a very nasty warning, or outright stop booting [with an appropriate > > error message] ? > > Why get all upset? We didn't even notice before, nor did/does that > other OS. A casual "BTW, your BIOS sucks.." should suffice, no?
Oh, I am not upset, although I suppose my reply did look like it. Sorry about that. It is just that this kind of breakage should not be subtle if we can help it, because people will use a crippled system for years without noticing... -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
