On 1/9/23 09:19, Dave Hansen wrote: > On 1/9/23 08:08, Randy Dunlap wrote: >> + stuff - Enables "stuffing" mode mitigation, >> + which uses return thunking and call depth >> + tracking. Only in effect if >> + CONFIG_CALL_DEPTH_TRACKING is set and >> + Spectre V2 mitigation mode is >> + "retpoline". >> + IBRS is fully secure mitigation but is >> + more costly (slower) than stuffing. > > The "fully secure" thing makes me cringe a bit. > > I'd suggest saying: > > IBRS is a stronger mitigation > but is more costly than stuffing > (slower). OK, will do (v3). :) Thanks. -- ~Randy
