The 04/06/2022 19:50, Mark Brown wrote: > On Thu, Mar 31, 2022 at 04:05:38PM +0000, Szabolcs Nagy wrote: > > > i think it's slightly better to treat ZA like TPIDR2, > > so only clear if CLONE_SETTLS is set. > > > otherwise in principle the child can return to the frame > > where ZA was used and expect it to work (it's hard to > > come up with a reason why would some code do that, but > > this is valid in a single-threaded fork child). > > From an implementation point of view it's a bit clearer if we just > always preserve PSTATE.ZA and ZA contents on clone() and clear them on > exec. Do you see a problem with that? i think that's ok too. _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
