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Subject: Re: [Question]: try to fix contention between expire_timers and
 try_to_del_timer_sync
To: Will Deacon <will.deacon@arm.com>
CC: Vikram Mulukutla <markivx@codeaurora.org>,
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From: qiaozhou <qiaozhou@asrmicro.com>
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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