Subject: Re: [PATCH net-next 1/3] net: ethernet: ti: am65-cpsw: Address __percpu Sparse warnings

From: Jakub Kicinski <[email-masked]>
Date: Wed, 11 Sep 2024 17:06:43 -0700

On Tue, 10 Sep 2024 08:17:56 +0100 Simon Horman wrote:
> An alternate, approach would be to create a variant of
> devm_add_action_or_reset() which expects __percpu data.  This would
> avoid discarding the __percpu annotation, and any value it may have
> between the casts added by this patch.  However, doing so appears to
> require a significant amount of plumbing.  And, as far as I can see, the
> code updated by this patch would be the only user of it.  So this patch
> takes a simpler approach.

Sorry if this was already discussed, but struct am65_cpsw_ndev_stats
appears to be identical to struct pcpu_sw_netstats but for ordering.
Can we let the core allocate the stats by setting
netdev->pcpu_stat_type = NETDEV_PCPU_STAT_TSTATS?