On Thu, 21 Nov 2024, Geert Uytterhoeven wrote: > Linux has supported m68k since last century. Yeah I fondly remember the 80s where 68K systems were always out of reach for me to have. The dream system that I never could get my hands on. The creme de la creme du jour. I just had to be content with the 6800 and 6502 processors. Then IBM started the sick road down the 8088, 8086 that led from crap to more crap. Sigh. > Any new such assumptions are fixed quickly (at least in the kernel). > If you need a specific alignment, make sure to use __aligned and/or > appropriate padding in structures. > And yes, the compiler knows, and provides __alignof__. > > > How do you deal with torn reads/writes in such a scenario? Is this UP > > only? > > Linux does not support (rate) SMP m68k machines. Ah. Ok that explains it. Do we really need to maintain support for a platform that has been obsolete for decade and does not even support SMP?
