Il lun 28 lug 2025, 18:21 Anup Patel <apatel@xxxxxxxxxxxxxxxx> ha scritto: > > Currently, userspace only has a way to enable/disable the entire > SBI FWFT extension. We definitely need to extend ONE_REG > interface to allow userspace save/restore SBI FWFT state. I am > sure this will happen pretty soon (probably next merge window). > > At the moment, I am not sure whether userspace also needs a > way to enable/disable individual features of SBI FWFT extension. > What do you think ? Yes, you do. FWFT extensions are equivalent to CPU extensions. But all this should have been done before including Clement's work. Without it userspace has no way to support FWFT. Drew, I see you have Reviewed-by on the patches; please keep an eye on this stuff. Can you respin with the fix to the SoB line and no FWFT support? Thanks, Paolo > > Regards, > Anup >