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Message-ID: <599D2EC3.2010900@rock-chips.com>
Date: Wed, 23 Aug 2017 15:29:07 +0800
From: jeffy <jeffy.chen@rock-chips.com>
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To: Thomas Gleixner <tglx@linutronix.de>
CC: Nicholas Piggin <npiggin@gmail.com>, akpm@linux-foundation.org,
        John Stultz <john.stultz@linaro.org>,
        Stephen Boyd <sboyd@codeaurora.org>, Jonathan.Cameron@huawei.com,
        paulmck@linux.vnet.ibm.com, mpe@ellerman.id.au, dzickus@redhat.com,
        sfr@canb.auug.org.au, linuxarm@huawei.com, abdhalee@linux.vnet.ibm.com,
        linux-kernel@vger.kernel.org, torvalds@linux-foundation.org
Subject: Re: [v2] timers: Fix excessive granularity of new timers after a
 nohz idle
References: <20170822084348.21436-1-npiggin@gmail.com> <599CF4C4.2070703@rock-chips.com> <alpine.DEB.2.20.1708230900280.1821@nanos>
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Hi Thomas,

On 08/23/2017 03:01 PM, Thomas Gleixner wrote:
> On Wed, 23 Aug 2017, jeffy wrote:
>
>> Hi guys,
>>
>> I was testing a arm64 based device(chromebook bob), and the kernel hang a
>> lot(during booting or suspending) on for-next(next-20170822) with this commit:
>> 71acb768f5b3 (timers: Fix excessive granularity of new timers after a nohz
>> idle)
>>
>> After revert it(or just add "!base->is_idle" check back), things work well...
>
> Can you please test V2?
>
hmm, v2 works...

Tested-by: Jeffy Chen <jeffy.chen@rock-chips.com>

> Thanks,
>
> 	tglx
>
>
>