On Thu, Nov 10, 2022 at 08:53:09PM +0000, Sean Christopherson wrote: > On Thu, Nov 10, 2022, Li, Xin3 wrote: > > > > + * call thus the values in the pt_regs structure are not used in > > > > + * executing NMI/IRQ handlers, > > > > > > Won't this break stack traces to some extent? > > > > > > > The pt_regs structure, and its IP/CS, is NOT part of the call stack, thus > > I don't see a problem. No? I'm not sure what Xin3 is trying to say, but NMI/IRQ handers use pt_regs a *LOT*. pt_regs *MUST* be correct.
