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From: Zenghui Yu <yuzenghui@huawei.com>
To: Sudeep Holla <sudeep.holla@arm.com>
Cc: Xiongfeng Wang <wangxiongfeng2@huawei.com>,
	<catalin.marinas@arm.com>, <will@kernel.org>, <rjw@rjwysocki.net>,
	<viresh.kumar@linaro.org>, <linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <linux-acpi@vger.kernel.org>,
	<guohanjun@huawei.com>
Subject: Re: [PATCH] ACPI / PPTT: get PPTT table in the first beginning
Date: Wed, 1 Sep 2021 15:29:26 +0800	[thread overview]
Message-ID: <a1390a6f-62aa-4cfd-b34e-1dbf0aedfc50@huawei.com> (raw)
In-Reply-To: <20210720133751.u6k6bdm7qco3gn65@bogus>

On 2021/7/20 21:37, Sudeep Holla wrote:
> On Tue, Jul 20, 2021 at 07:26:35PM +0800, Xiongfeng Wang wrote:
>> When I added might_sleep() in down_timeout(), I got the following
> 
> Sorry it is not clear if you are able to reproduce this issue without
> any other modifications in the mainline kernel ?

Jump in this thread as the exact splat is triggered at boot time
in the latest mainline kernel thanks to commit 99409b935c9a
("locking/semaphore: Add might_sleep() to down_*() family").

WARNING: multiple messages have this Message-ID (diff)
From: Zenghui Yu <yuzenghui@huawei.com>
To: Sudeep Holla <sudeep.holla@arm.com>
Cc: Xiongfeng Wang <wangxiongfeng2@huawei.com>,
	<catalin.marinas@arm.com>, <will@kernel.org>, <rjw@rjwysocki.net>,
	<viresh.kumar@linaro.org>, <linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <linux-acpi@vger.kernel.org>,
	<guohanjun@huawei.com>
Subject: Re: [PATCH] ACPI / PPTT: get PPTT table in the first beginning
Date: Wed, 1 Sep 2021 15:29:26 +0800	[thread overview]
Message-ID: <a1390a6f-62aa-4cfd-b34e-1dbf0aedfc50@huawei.com> (raw)
In-Reply-To: <20210720133751.u6k6bdm7qco3gn65@bogus>

On 2021/7/20 21:37, Sudeep Holla wrote:
> On Tue, Jul 20, 2021 at 07:26:35PM +0800, Xiongfeng Wang wrote:
>> When I added might_sleep() in down_timeout(), I got the following
> 
> Sorry it is not clear if you are able to reproduce this issue without
> any other modifications in the mainline kernel ?

Jump in this thread as the exact splat is triggered at boot time
in the latest mainline kernel thanks to commit 99409b935c9a
("locking/semaphore: Add might_sleep() to down_*() family").

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linux-arm-kernel mailing list
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2021-09-01  7:29 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-20 11:26 [PATCH] ACPI / PPTT: get PPTT table in the first beginning Xiongfeng Wang
2021-07-20 11:26 ` Xiongfeng Wang
2021-07-20 13:37 ` Sudeep Holla
2021-07-20 13:37   ` Sudeep Holla
2021-07-21  1:25   ` Xiongfeng Wang
2021-07-21  1:25     ` Xiongfeng Wang
2021-09-01  7:29   ` Zenghui Yu [this message]
2021-09-01  7:29     ` Zenghui Yu
2021-09-01  8:15     ` Hanjun Guo
2021-09-01  8:15       ` Hanjun Guo
2021-09-01  8:49       ` Zenghui Yu
2021-09-01  8:49         ` Zenghui Yu

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