Re: [PATCH] configure: define CONFIG_XEN when Xen is enabled

[Peter Maydell <peter.maydell@xxxxxxxxxx>]

On Tue, 28 Jul 2020 at 11:00, Philippe Mathieu-Daudé <philmd@xxxxxxxxxx> wrote:
> Apparently kvm_enabled() checks CONFIG_KVM_IS_POSSIBLE instead
> of CONFIG_KVM, I suppose to bypass this limitation (from osdep.h):
>
>  21 #ifdef NEED_CPU_H
>  22 # ifdef CONFIG_KVM
>  24 #  define CONFIG_KVM_IS_POSSIBLE
>  25 # endif
>  26 #else
>  27 # define CONFIG_KVM_IS_POSSIBLE
>  28 #endif
>  29
>  30 #ifdef CONFIG_KVM_IS_POSSIBLE
>     ...

Interesting. We don't have CONFIG_WHPX_IS_POSSIBLE,
CONFIG_HVF_IS_POSSIBLE, etc -- also bugs, or do we avoid
them by happening not to check whpx_enabled(), hvf_enabled(),
etc in obj-common-compiled source files?

thanks
-- PMM