Subject: Re: [PATCH v3 net-next 14/15] net: aquantia: fixups on 64bit dma counters

From: Andrew Lunn <[email-masked]>
Date: Fri, 26 Apr 2019 23:36:39 +0200

> +	self->curr_stats.dma_pkt_rc = hw_atl_stats_rx_dma_good_pkt_counterlsw_get(self) +
> +				      ((u64)hw_atl_stats_rx_dma_good_pkt_countermsw_get(self) << 32);

Don't you need to do something to avoid issue with overflow from lsw
into msw? I've often seen code get the msw, the lsw and then the msm
again. If the two msw reads are different, it repeats it all again.

       Andrew