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SubjectRe: [PATCH v3 4/9] arc: use generic strncpy/strnlen from_user
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>

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