linux-kernel - Re: [PATCH] clocksource/drivers/arm_arch_timer: Update sched_clock when non-boot CPUs need counter workaround

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Message-ID: <6ea81f6e27a3ec4a61088da045da053b@kernel.org>
Date:   Thu, 19 Jan 2023 09:52:16 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     刘琦 <liuqi405@...oud.com>
Cc:     daniel.lezcano@...nel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, mark.rutland@....com,
        quic_ylal@...cinc.com, stable@...r.kernel.org, will@...nel.org,
        王法杰 
        <wangfajie@...gcheer.com>, liurenwang@...gcheer.com,
        zhanghui5@...gcheer.com, liangke1@...omi.com
Subject: Re: [PATCH] clocksource/drivers/arm_arch_timer: Update sched_clock
 when non-boot CPUs need counter workaround

On 2023-01-19 07:59, 刘琦 wrote:
> [Test Report]
> Result: Test Pass
> 
> A total of two rounds of pending testing
>      a. The first round of hanging test
>           Number of machines: 200
>           Hanging test duration: 48h
>           Hanging test results: no walt crash problem
>      b. The second round of hanging test
>           Number of machines: 200
>           Hanging test duration: 72h
>           Hanging test results: no walt crash problem
> 
> Tested-by: wangfajie <wangfajie@...gcheer.com>
> Tested-by: liurenwang <liurenwang@...gcheer.com>
> Tested-by: zhanghui <zhanghui5@...gcheer.com>
> Tested-by: liangke <liangke1@...omi.com>

Thanks for this.

The only issue here is that that you don't explain what you tested,
nor how you tested it.

It is also a patch that has known defects (you just have to read the
thread for the details)... This makes this testing, no matter how
thorough it is, rather ineffective.

         M.
-- 
Jazz is not dead. It just smells funny...