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Date: Tue, 7 Jul 2020 10:13:14 -0700
From: Stephen Hemminger <stephen@networkplumber.org>
To: Phil Yang <phil.yang@arm.com>
Cc: david.marchand@redhat.com, dev@dpdk.org, drc@linux.vnet.ibm.com,
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Subject: Re: [dpdk-dev] [PATCH v2] mbuf: use C11 atomics for refcnt
 operations
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On Tue,  7 Jul 2020 18:10:33 +0800
Phil Yang <phil.yang@arm.com> wrote:

> +	return (uint16_t)(__atomic_add_fetch((int16_t *)&shinfo->refcnt_atomic,
> +

Why do you need so many casts here?
The type of refcnt_atomic is now uint16 after your patch.