Re: [PATCH net-next 1/5] netdevice: convert private flags > BIT(31) to bitfields

From: Jakub Kicinski
Date: Wed Jun 26 2024 - 10:51:26 EST


On Tue, 25 Jun 2024 13:44:28 +0200 Alexander Lobakin wrote:
> + struct_group(__priv_flags,
> + unsigned long priv_flags:32;
> + unsigned long see_all_hwtstamp_requests:1;
> + unsigned long change_proto_down:1;
> + );

I don't think we should group them indiscriminately. Better to add the
asserts flag by flag. Neither of the flags you're breaking out in this
patch are used on the fast path.

Or is the problem that CACHELINE_ASSERT_GROUP_MEMBER doesn't work on
bitfields?