On Fri, 5 Sep 2014, Paolo Bonzini wrote: > Il 05/09/2014 20:33, Thomas Gleixner ha scritto: > >> > update_vsyscall(tk); > >> > - update_pvclock_gtod(tk, action & TK_CLOCK_WAS_SET); > >> > > >> > tk_update_ktime_data(tk); > >> > + update_pvclock_gtod(tk, action & TK_CLOCK_WAS_SET); > > Why are you moving the update between vsycall and pvclock update as I > > did in my patch? We really need to update everything before calling > > somewhere. > > Do you mean the call should be moved not just after tk_update_ktime_data > (which sets base_mono), but further down after > > update_fast_timekeeper(tk); No, it needs to be above update_vsyscall(). Here is the patch again which I sent before. [https://lkml.org/lkml/2014/9/5/395] Thanks, tglx diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index fb4a9c2cf8d9..ec1791fae965 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -442,11 +442,12 @@ static void timekeeping_update(struct timekeeper *tk, unsigned int action) tk->ntp_error = 0; ntp_clear(); } - update_vsyscall(tk); - update_pvclock_gtod(tk, action & TK_CLOCK_WAS_SET); tk_update_ktime_data(tk); + update_vsyscall(tk); + update_pvclock_gtod(tk, action & TK_CLOCK_WAS_SET); + if (action & TK_MIRROR) memcpy(&shadow_timekeeper, &tk_core.timekeeper, sizeof(tk_core.timekeeper)); -- 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