Re: [PATCH net-next] net: alacritech: Use u64_stats_t with u64_stats_sync properly

[Eric Dumazet]

On Mon, Jan 26, 2026 at 12:23 AM Jakub Kicinski <kuba@xxxxxxxxxx> wrote:
>
> On Fri, 23 Jan 2026 02:51:07 +0800 David Yang wrote:
> > On 64bit arches, struct u64_stats_sync is empty and provides no help
> > against load/store tearing. Convert to u64_stats_t to ensure atomic
> > operations.
>
> Eric, could you comment if this matters? I expect David may send a
> non-trivial number of these, I want to make sure we're making good
> use of everyone's time here. 64b accesses are not torn on 64b arches,
> and never used for control flow.

I  added u64_stats_add()/u64_stats_inc() back in 2019, and never bothered
sending dozens of patches.

Presumably compilers could be really dumb back then, I am not sure
this is still the case today.