On 12/08/2017 15:35, Yu Zhang wrote:
> index a98b88a..50107ae 100644
> --- a/arch/x86/kvm/emulate.c
> +++ b/arch/x86/kvm/emulate.c
> @@ -694,7 +694,7 @@ static __always_inline int __linearize(struct x86_emulate_ctxt *ctxt,
> switch (mode) {
> case X86EMUL_MODE_PROT64:
> *linear = la;
> - if (is_noncanonical_address(la))
> + if (emul_is_noncanonical_address(la, ctxt))
> goto bad;
>
> *max_size = min_t(u64, ~0u, (1ull << 48) - la);
Oops, you missed one here. Probably best to use ctxt_virt_addr_bits and
then "inline" emul_is_noncanonical_address as "get_canonical(la,
va_bits) != la".
Paolo
