On Tue, Jun 27, 2023 at 03:38:35PM +0200, Peter Zijlstra wrote: > That said; there is a tiny difference between: > > ALTERNATIVE_2(oldinst, newinst1, flag1, newinst2, flag2) > > and > > ALTERNATIVE(ALTERNATIVE(oldinst, newinst1, flag1), > newinst2, flag2) > > and that is alt_instr::instrlen, when the inner alternative is the > smaller, then the outer alternative will add additional padding that the > inner (obviously) doesn't know about. New version: https://lkml.kernel.org/r/20230628104952.GA2439977%40hirez.programming.kicks-ass.net
