Messages in this thread | | | Date | Wed, 25 Mar 2015 20:17:14 -0600 | From | Thavatchai Makphaibulchoke <> | Subject | Re: [PATCH RT 2/4] Revert "timers: do not raise softirq unconditionally" |
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On 03/22/2015 10:42 PM, Mike Galbraith wrote: >> Why can't we just Let swapper be the owner when in irq with no dummy? >>
Thanks Mike for the suggestion. That may also work. Unfortunately somehow I'm still having a hung problem, which may be related to the priority of the interrupt handler task.
>> I have "don't raise timer unconditionally" re-applied, the check for a >> running callback bits of my nohz_full fixlet, and the below on top of >> that, and all _seems_ well. > > But not so well on 64 core box. That has nothing to do with hacklet > though, re-applying timers-do-not-raise-softirq-unconditionally.patch > without thta hangs the 64 core box during boot with no help from me > other than to patchlet to let nohz work at all, seems there's another > issue lurking there. Hohum. Without 'don't raise..", big box is fine. >
If you get your patch to work, I could try my test that was able to reproduce the problem consistently.
Thanks, Mak.
> -Mike >
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