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From:   Yangxi Xiang <xyangxi5@gmail.com>
To:     Jiri Slaby <jirislaby@kernel.org>
Cc:     linux-kernel@vger.kernel.org,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Johan Hovold <johan@kernel.org>,
        Igor Matheus Andrade Torrente <igormtorrente@gmail.com>,
        Christian Borntraeger <borntraeger@linux.ibm.com>,
        nick black <dankamongmen@gmail.com>
Subject: Re: [PATCH] vt: fix memory overlapping when deleting chars in the buffer
Date:   Tue, 28 Jun 2022 16:59:22 +0800
Message-Id: <20220628085922.22460-1-xyangxi5@gmail.com>
In-Reply-To: <466232ee-8d55-e33f-d2ca-e6b9fc0b8103@kernel.org>
References: <466232ee-8d55-e33f-d2ca-e6b9fc0b8103@kernel.org>
Precedence: bulk

>> Both of them works, and I pick one of them.
>
> Sorry, I don't understand.

We can use both scr_memcpyw() and scr_memmovew() for the not
overlapping case (cp <= nr), which is more likely to happen.
In this case I keep using scr_memcpyw().

Yangxi Xiang