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

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On Thu, Jul 22, 2021 at 02:48:09PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
> 
> 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@xxxxxxxx>

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>



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