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