On Wed, Jun 16, 2021 at 03:49:44PM -0500, Eric W. Biederman wrote: > Someone might want or try to read them in the case of exit. Which > without some change will result in a read of other kernel stack content > on alpha. And someone might want a pony. Again, why bother restoring those, _especially_ in case of exit(2)? > Plus there are coredumps which definitely want to read everything. Huh? In case of coredump we are going to have come through $work_notifysig: mov $sp, $16 DO_SWITCH_STACK jsr $26, do_work_pending so they *do* have full pt_regs saved. What's the problem?