Messages in this thread | | | Date | Sat, 12 Dec 2015 15:35:36 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [PATCH] rt: x86: extend signal send delay to 32 bit |
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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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