On Tue, Jan 30, 2024 at 3:51 PM Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > On Tue, Jan 23, 2024 at 02:06:14PM -0800, Brian Norris wrote: > > "Don't you want to have a driver data or so associated with this?" ... > But why limit yourself to 32bits now? Why not make it 64? It is going > to be sent to userspace, so you have to be very careful about it. Is that question related to the question I pasted/replied to, about driver data? Or a new topic? Sorry if I'm misunderstanding. Anyway, for the size of the tag field: I don't have a strong opinion. But FWIW, they're coming from this project: https://review.coreboot.org/plugins/gitiles/coreboot/+/269b23280f928510bcadd23182294e5b9dad11ec/payloads/libpayload/include/coreboot_tables.h#36 As you can see there, we're extremely far from exhausting 16 bits, let alone 32. Brian
