Messages in this thread | | | Subject | Re: [Question]: try to fix contention between expire_timers and try_to_del_timer_sync | From | qiaozhou <> | Date | Wed, 11 Oct 2017 16:33:03 +0800 |
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Hi Will,
On 2017年10月02日 22:14, Will Deacon wrote: > Hi Qiao, > > On Mon, Sep 25, 2017 at 07:02:03PM +0800, qiaozhou wrote: >> Will this bodging patch be merged? It can solve the livelock issue on arm64 >> platforms(at least improve a lot). > > Whilst it seemed to help in some cases, I'm not keen to merge it until > we've identified a sensible way to parameterise the threshold and also > explain why it doens't appear to help at all on some platforms. I guess > I could respin a version that takes the threshold on the cmdline and > also checks to see that the event stream is enabled, since that might > help with further benchmarking. > > Would that be useful?
Got it. Please let me know if you want to verify it on my platform. Many thanks.
Best Regards Qiao
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