linux-kernel - Re: [PATCH -next 10/29] md/raid5-cache: use READ_ONCE/WRITE

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Message-ID: <e9742233-e3f7-1c14-b26b-c6507c9ef903@huaweicloud.com>
Date:   Tue, 22 Aug 2023 09:29:34 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
To:     Song Liu <song@...nel.org>, Yu Kuai <yukuai1@...weicloud.com>
Cc:     xni@...hat.com, linux-raid@...r.kernel.org,
        linux-kernel@...r.kernel.org, yi.zhang@...wei.com,
        yangerkun@...wei.com, "yukuai (C)" <yukuai3@...wei.com>
Subject: Re: [PATCH -next 10/29] md/raid5-cache: use READ_ONCE/WRITE_ONCE for
 'conf->log'

Hi,

在 2023/08/22 8:15, Song Liu 写道:
> On Thu, Aug 3, 2023 at 6:32 AM Yu Kuai <yukuai1@...weicloud.com> wrote:
>>
>> From: Yu Kuai <yukuai3@...wei.com>
>>
>> 'conf->log' is set with 'reconfig_mutex' grabbed, however, readers are
>> not procted, hence use READ_ONCE/WRITE_ONCE to prevent reading abnormal
>> value.
>>
>> Signed-off-by: Yu Kuai <yukuai3@...wei.com>
> 
> It appears to me that this patch doesn't apply to md-next. Please rebase
> and resend all 3 sets.

Yes, I'll rebase previous 2 sets first, and wait for then before rebase
this set.

Thanks,
Kuai

> 
> Thanks,
> Song
> .
>