On Thu, 18 Apr 2019, Steven Rostedt wrote: > On Thu, 18 Apr 2019 10:41:40 +0200 > Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > > -static DEFINE_PER_CPU(struct ftrace_stack, ftrace_stack); > > +/* This allows 8 level nesting which is plenty */ > > Can we make this 4 level nesting and increase the size? (I can see us > going more than 64 deep, kernel developers never cease to amaze me ;-) > That's all we need: > > Context: Normal, softirq, irq, NMI > > Is there any other way to nest? Not that I know, but you are the tracer dude :) Thanks, tglx