On Thu, Jan 4, 2018 at 2:23 PM, Dave Hansen <dave.han...@intel.com> wrote: > On 01/04/2018 02:21 PM, Tim Chen wrote: >>> Does this really have to live outside of arch/x86/entry/ ? >>> >> There are some inline C routines later in this file >> that will be needed by other functions. Want to consolidate >> them in the same file. > > We could put all of the assembly into calling.h along with the PTI > assembly. Seems as sane a place as anywhere else to put it. >
We should also stop thinking that NMI is at all special. All the paranoid entry paths + NMI should just save and restore it, just like CR3. Otherwise we get nasty corner cases with MCE, kprobes, etc.
