On December 22, 2022 5:09:28 AM PST, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: >On Tue, Dec 20, 2022 at 09:44:33PM -0800, H. Peter Anvin wrote: > >> Right, this is one major reason for putting #DB/NMI in a separate stack level. > >But with the IST they each have their own stack, with FRED they'll share >this small stack. So make the stack larger if you think we need it. You still end up using less total stack space with FRED.
