>>> On 03.10.12 at 19:08, Stefano Stabellini <[email protected]> wrote: > 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 */
Didn't your other patch statically initialize it? Jan -- 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/
