RE: [PATCH v10 03/38] x86/msr: Add the WRMSRNS instruction support

Li, Xin3
2023-09-20T08:19:13Z

> > +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