On Wed, 2022-12-21 at 08:35 +0800, Yang, Weijiang wrote:
> > +static inline u64 get_canonical(u64 la, u8 vaddr_bits)
> > +{
> > + return ((int64_t)la << (64 - vaddr_bits)) >> (64 - vaddr_bits);
> > +}
> > +
>
>
> There's already a helper for the calculation: __canonical_address(),
> and
> it's used in KVM
>
> before set MSR_IA32_SYSENTER_ESP/MSR_IA32_SYSENTER_EIP.
>
Nice, thanks Weijiang.
