Since commit commit 4c071ee5268f7234c3d084b6093bebccc28cdcba ("arm:
initial Xen support") PV on HVM guests can be xen_initial_domain.
However PV on HVM guests might have an unitialized xen_start_info, so
check before accessing its fields.Signed-off-by: Stefano Stabellini <[email protected]> Acked-by: Ian Campbell <[email protected]> Reported-by: Konrad Rzeszutek Wilk <[email protected]> diff --git a/include/xen/xen.h b/include/xen/xen.h index 9a39ca5..e7101bb 100644 --- a/include/xen/xen.h +++ b/include/xen/xen.h @@ -28,7 +28,7 @@ extern enum xen_domain_type xen_domain_type; #include <asm/xen/hypervisor.h> #define xen_initial_domain() (xen_domain() && \ - xen_start_info->flags & SIF_INITDOMAIN) + xen_start_info && xen_start_info->flags & SIF_INITDOMAIN) #else /* !CONFIG_XEN_DOM0 */ #define xen_initial_domain() (0) #endif /* CONFIG_XEN_DOM0 */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
