On 2018/4/12 下午12:58, chenggang.qin@xxxxxxxxxxxxxxxxx wrote: > From: Andy Lutomirski <luto@xxxxxxxxxx> > > commit: 9d05041679904b12c12421cbcf9cb5f4860a8d7b upstream > > 32-bit kernels handle nested NMIs in C. Enable the exact same > handling on 64-bit kernels as well. This isn't currently > necessary, but it will become necessary once the asm code starts > allowing limited nesting. > 好奇为什么移植这个 patch？ Linux Nested NMI 的设计很丑陋，过去主要是为了 trace 和 debug 不得已而为之，我们踩中啥坑了？