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Date:   Thu, 22 Jul 2021 15:00:42 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Arnd Bergmann <arnd@kernel.org>
Cc:     linux-arch@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
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Subject: Re: [PATCH v3 4/9] arc: use generic strncpy/strnlen from_user
Message-ID: <20210722130042.GD26225@lst.de>
References: <20210722124814.778059-1-arnd@kernel.org> <20210722124814.778059-5-arnd@kernel.org>
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On Thu, Jul 22, 2021 at 02:48:09PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
> 
> Remove the arc implemenation of strncpy/strnlen and instead use the
> generic versions.  The arc version is fairly slow because it always does
> byte accesses even for aligned data, and its checks for user_addr_max()
> differ from the generic code.
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Looks good,

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