Re: [Xen-devel] [PATCH 4/7] x86/hypercall: Make the HVM hcall_64bit boolean common

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 15.02.17 at 20:41, <andrew.cooper3@xxxxxxxxxx> wrote:
> HVM guests currently make use of arch.hvm_vcpu.hcall_64bit to track the ABI of
> the hypercall in use.
> 
> The rest of Xen deals in terms of the comat ABI or not, so rename the boolean
> and make it common, guared by CONFIG_COMPAT to avoid bloat if a compat ABI is
> not wanted/needed.
> 
> Set hcall_compat uniformly for PV guests as well as HVM guests.  This removes
> the remaining piece of guest-type-specific knowledge from
> hypercall_create_continuation(), allowing it to operate only in terms of the
> hypercall ABI in use.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>



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