linux-kernel - Re: [RESEND PATCH] mmc: core: fix race condition in mmc_wait_data

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Message-ID: <CAPDyKFqYDdwvTCw3oKhkxqu9zmTAC8osLgd6eC4zDY7JOMGGPQ@mail.gmail.com>
Date:	Fri, 28 Aug 2015 12:09:13 +0200
From:	Ulf Hansson <ulf.hansson@...aro.org>
To:	Shawn Lin <shawn.lin@...k-chips.com>
Cc:	Jialing Fu <jlfu@...vell.com>,
	linux-mmc <linux-mmc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RESEND PATCH] mmc: core: fix race condition in mmc_wait_data_done

[...]

>>> Hi, ulf
>>>
>>> We find this bug on Intel-C3230RK platform for very small probability.
>>>
>>> Whereas I can easily reproduce this case if I add a mdelay(1) or  longer
>>> delay as Jialing did.
>>>
>>> This patch seems useful to me. Should we push it forward? :)
>>
>>
>> It seems like a very good idea!
>>
>> Should we add a fixes tag to it?
>
>
> That's cool, but how to add a fixes tag?
>
> [Fixes] mmc: core: fix race condition in mmc_wait_data_done ?   :)
>

A fixes tag points to an old commit which introduced the bug. If we
can't find one, we can add a Cc tag to "stable". Just search the git
log and you will find examples.

Kind regards
Uffe
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