[EMAIL PROTECTED] wrote: > > Hi hpa, > > First test, the AMD K6-2. > > Before your patch.. > cpu family : 5 > model : 8 > stepping : 12 > > After.. > > cpu family : 5 > model : 8 > stepping : 4 > > Line 1826 of setup.c > > c->x86_mask = tfms & 7; > > Should be.. > > c->x86_mask = tfms & 15; > > I think? > > Also, look at the feature flags: > before: > flags : fpu vme de pse tsc msr mce cx8 sep mtrr pge mmx 3dnow > > after: > features : fpu vme de pse tsc msr mce cx8 pge mmx syscall 3dnow > > Note, I lost MTRR & sep. This may be related to the stepping bug > though. I'll recompile a kernel with the &15 fix, and see if that cures > all. > That is actually correct -- the K6-2 doesn't actually have mtrr and sep, but has syscall and k6_mtrr instead (the stepping bug causes k6_mtrr not to show up.) Part of the bugginess of the old system was using one flag for multiple purposes. This was Linux' doing, not AMD's, by the way. > btw, whilst all this is getting a shakedown, how about renaming > that 'x86_mask' field to the more obvious 'x86_stepping' ? > c->x86 would make more sense as c->x86_family too thinking about it. > -- <[EMAIL PROTECTED]> at work, <[EMAIL PROTECTED]> in private! "Unix gives you enough rope to shoot yourself in the foot." http://www.zytor.com/~hpa/puzzle.txt - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
