On 16/01/2019 14:17, Boris Ostrovsky wrote: > On Wed, Jan 16, 2019 at 08:50:13AM +0100, Juergen Gross wrote: > >> @@ -1650,13 +1650,14 @@ void xen_callback_vector(void) >> xen_have_vector_callback = 0; >> return; >> } >> - pr_info("Xen HVM callback vector for event delivery is >> enabled\n"); >> + if (!silent) >> + pr_info("Xen HVM callback vector for event >> delivery is enabled\n"); > > How about replacing pr_info() with pr_info_once()? What a nice and simple idea! Extra patch or V4? Juergen