Hi Luis, On 22/01/15 02:17, Luis R. Rodriguez wrote: > diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c > index b4bca2d..23c526b 100644 > --- a/drivers/xen/events/events_base.c > +++ b/drivers/xen/events/events_base.c > @@ -32,6 +32,8 @@ > #include <linux/slab.h> > #include <linux/irqnr.h> > #include <linux/pci.h> > +#include <linux/sched.h> > +#include <linux/kprobes.h> > > #ifdef CONFIG_X86 > #include <asm/desc.h> > @@ -1243,6 +1245,17 @@ void xen_evtchn_do_upcall(struct pt_regs *regs) > set_irq_regs(old_regs); > } > > +notrace void xen_end_upcall(struct pt_regs *regs) > +{ > + if (!xen_is_preemptible_hypercall(regs) || I don't see any definition of xen_is_preemptible_hypercall for ARM32/ARM64. As this function is called from the generic code, you have at least to stub this function for those architectures. Regards, -- Julien Grall -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html