Re: [PATCH -next v3 01/25] md: use READ_ONCE/WRITE_ONCE for 'suspend_lo' and 'suspend_hi'

[Song Liu <song@xxxxxxxxxx>]

On Wed, Sep 27, 2023 at 11:22 PM Yu Kuai <yukuai1@xxxxxxxxxxxxxxx> wrote:
>
> From: Yu Kuai <yukuai3@xxxxxxxxxx>
>
> Because reading 'suspend_lo' and 'suspend_hi' from md_handle_request()
> is not protected, use READ_ONCE/WRITE_ONCE to prevent reading abnormal
> value.

I rephrase this a bit:

Protect 'suspend_lo' and 'suspend_hi' with READ_ONCE/WRITE_ONCE to prevent
reading abnormal values.

Thanks,
Song