On Thu, Mar 21, 2019 at 02:10:20PM -0400, Steven Rostedt wrote: > On Thu, 21 Mar 2019 11:05:06 -0700 > Andy Lutomirski <l...@amacapital.net> wrote: > > > In the long run, I think the right solution is to rewrite even more of > > this mess in C. We really ought to be able to put the IRQ flag > > tracing and the context tracking into C code. > > And once we do that, we can work on getting the irq tracing > incorporated into a jump_label type that we could possibly enable > lockdep at start up, and then disable it later, even on production > systems! That is, to be able to turn it off and bring the system back > up to full speed.
You forget the stupid amount of data bloat that lockdep brings.
