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Date:   Wed, 13 Apr 2022 18:40:52 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Baoquan He <bhe@redhat.com>
Cc:     akpm@linux-foundation.org, willy@infradead.org,
        linux-kernel@vger.kernel.org, kexec@lists.infradead.org,
        hch@lst.de, yangtiezhu@loongson.cn, amit.kachhap@arm.com,
        linux-fsdevel@vger.kernel.org, viro@zeniv.linux.org.uk
Subject: Re: [PATCH v5 RESEND 2/3] vmcore: Convert __read_vmcore to use an
 iov_iter
Message-ID: <20220413164052.GB31487@lst.de>
References: <20220408090636.560886-1-bhe@redhat.com> <20220408090636.560886-3-bhe@redhat.com>
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On Fri, Apr 08, 2022 at 05:06:35PM +0800, Baoquan He wrote:
> From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
> 
> This gets rid of copy_to() and let us use proc_read_iter() instead
> of proc_read().
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> Signed-off-by: Baoquan He <bhe@redhat.com>

Looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>