On 04/03/2012 07:42 AM, Heiko Carstens wrote: > On Mon, Apr 02, 2012 at 01:54:09PM +0200, Jiri Slaby wrote: >> tty_wakeup is safe to be called from all contexts. No need to schedule >> a tasklet for that. Let us call it directly like in other drivers. >> >> And delete the tasklet completely. > > Your patch actually reverts Martin's recent commit 656d912537 > "[S390] 3215 deadlock with tty_wakeup". > I'm quite sure the reason for the deadlock still exists. > Unfortunately the commit doesn't contain the call chain that > led to fix. Ok, I would really appreciate the trace. If this is really an issue, we should provide a helper in the TTY layer like tty_schedule_wakeup. thanks, -- js suse labs -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html