On Mon, Mar 08, 2021 at 12:40:44PM -0800, Sean Christopherson wrote: > On Mon, Mar 08, 2021, Peter Zijlstra wrote: > > Given the one user in atomic_switch_perf_msrs() that should work because > > it doesn't seem to care about nr_msrs when !msrs. > > Uh, that commit quite cleary says: D0h! I got static_call_cond() and __static_call_return0 mixed up. Anyway, let me see if I can make something work here.