Re: [PATCH] x86/perf: Fix guest_get_msrs static call if there is no PMU

[Peter Zijlstra]

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.