On Thu, Oct 19, 2023 at 11:22:26AM +0100, Conor Dooley wrote: > On Thu, Oct 19, 2023 at 09:26:31AM +0200, Clément Léger wrote: ... > > BTW, wouldn't > > it make more sense to get rid out of the unsupported extensions directly > > at ISA string parsing ? ie, if kernel is compiled without V support, > > then do not set the bits corresponding to these in the riscv_isa_ext[] > > array ? But the initial intent was probably to be able to report the > > full string through cpuinfo. > > Yeah, hysterical raisins I guess, it's always been that way. I don't > think anyone originally thought about such configurations and that is > how the cpuinfo stuff behaves. I strongly dislike the > riscv_isa_extension_available() interface, but one of Drew's patches > does at least improve things a bit. Kinda waiting for some of the > patches in flight to settle down before deciding if I want to refactor > stuff to be less of a potential for shooting oneself in the foot. And I recall promising to try and do something with it too, but that promise got buried under other promises... It's still on the TODO, at least! drew
