On Thu, Jan 10, 2019 at 04:02:53PM +0800, Zhenzhong Duan wrote: > Hi Maintainer, > > > There is a question confused me for days. Appreciate an answer. > > In below code, the comment says we never have more than 4 nested contexts. > > What happen if debug and mce exceptions nest with the four, or we ensure it > never happen?
MCE and NMI really should not use spinlocks at all since they cannot be masked.
