Re: [PATCH-for-5.1] accel/xen: Fix xen_enabled() behavior on target-agnostic objects

[Anthony PERARD <anthony.perard@xxxxxxxxxx>]

On Tue, Jul 28, 2020 at 12:09:25PM +0200, Philippe Mathieu-Daudé wrote:
> CONFIG_XEN is generated by configure and stored in "config-target.h",
> which is (obviously) only include for target-specific objects.
> This is a problem for target-agnostic objects as CONFIG_XEN is never
> defined and xen_enabled() is always inlined as 'false'.
> 
> Fix by following the KVM schema, defining CONFIG_XEN_IS_POSSIBLE
> when we don't know to force the call of the non-inlined function,
> returning the xen_allowed boolean.
> 
> Fixes: da278d58a092 ("accel: Move Xen accelerator code under accel/xen/")
> Reported-by: Paul Durrant <pdurrant@xxxxxxxxxx>
> Suggested-by: Peter Maydell <peter.maydell@xxxxxxxxxx>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>

Reviewed-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>

Thanks,

-- 
Anthony PERARD