> > +static __always_inline void __wrmsrns(u32 msr, u32 low, u32 high) > > Shouldn't this be named wrmsrns_safe since it has exception handling, similar to > the current wrmsrl_safe. > Both safe and unsafe versions have exception handling, while the safe version returns an integer to its caller to indicate an exception did happen or not. Exception handling is a must for WRMSR/RDMSR and related instructions. Thanks! Xin