On Fri, 11 Dec 2015, Shi, Yang wrote:
> On 12/11/2015 10:05 AM, Sebastian Andrzej Siewior wrote:
> > * Yang Shi | 2015-12-10 10:58:51 [-0800]:
> > > Signal send delay is just available for x86-64, x86-32 needs it too.
> >
> > This is new, this was not the case earlier. New means since v4.0-rc1 which
>
> Yes, it is. We didn't find this problem in earlier version kernel (I'd say
> 3.x).
>
> > is when 959274753857 ("x86, traps: Track entry into and exit from IST
> > context") got merged.
> > Since now ist_enter() disables preemption in any case, our hacks to
> > conditional_sti_ist() are pointless and could be removed.
>
> I'm supposed you will revert it and not need a revert patch from me.
Why do you think that reverting it is a good idea? Just because we can
or what?
No, we fix it up on the RT side.
Thanks,
tglx
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