On Fri, 2 Mar 2018, Sebastian Andrzej Siewior wrote: > I've been looking at this in v3.10-RT where it got in. The patch > description says > > |The ntp code for notify_cmos_timer() is called from a hard interrupt > |context. > > I see only one caller of ntp_notify_cmos_timer() and that is > do_adjtimex() after "raw_spin_unlock_irqrestore()". > I see a few callers of do_adjtimex() which is SYS_adjtimex() (+compat) > and posix_clock_realtime_adj() which in turn is called by > SYS_clock_adjtime(). > > I can't find the hard interrupt context. May I revert this patch? That really looks bogus. ntp_notify_cmos_timer() has never been invoked from hard interrupt context or from a atomic region. No idea how that patch ended up in RT... Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html