Il ven 6 dic 2024, 09:42 Peter Maydell <peter.mayd...@linaro.org> ha scritto:
> On Fri, 6 Dec 2024 at 14:28, Paolo Bonzini <pbonz...@redhat.com> wrote: > > Yes, hence "decently" packed. But I think in both cases it's passed in > registers, and for 64-bit machine that shouldn't change anything. > > True. Though it does mean we go from "space to add new fields > without making it overflow from one register to two" to > "completely full and no space for expanding it". > I guess it's enough to make unspecified the only non-bitfield. Then you can declare MEMTXATTRS_UNSPECIFIED as { unspecified: true, ..Zeroable::ZERO } ("start with Zeroable::ZERO and change unspecified to true"). For the rest it is not important to make them available in a "const". Paolo -- PMM > >