On Fri, Aug 02, 2024 at 07:00:43AM +0530, Anshuman Khandual wrote: > > > On 8/1/24 20:13, Yury Norov wrote: > > On Thu, Aug 1, 2024 at 12:16 AM Anshuman Khandual > > <anshuman.khandual@xxxxxxx> wrote: > >> > >> This adds support for GENMASK_U128() and some corresponding tests as well. > >> GENMASK_U128() generated 128 bit masks will be required later on the arm64 > >> platform for enabling FEAT_SYSREG128 and FEAT_D128 features. > >> > >> Because GENMAKS_U128() depends on __int128 data type being supported in the > >> compiler, its usage needs to be protected with CONFIG_ARCH_SUPPORTS_INT128. > >> > >> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > >> Cc: Yury Norov <yury.norov@xxxxxxxxx> > >> Cc: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx> > >> Cc: Arnd Bergmann <arnd@xxxxxxxx>> > >> Cc: linux-kernel@xxxxxxxxxxxxxxx > >> Cc: linux-arch@xxxxxxxxxxxxxxx > > > > For the patches: > > > > Reviewed-by: Yury Norov <yury.norov@xxxxxxxxx> > > Thanks Yury. > > > > > This series doesn't include a real use-case for the new macros. Do you > > have some? > > I can take it via my branch, but I need at least one use-case to not > > merge dead code. > > I have recently posted the following patch for arm64 platform although > most of the subsequent work is still in progress. But for now there > are some corresponding tests for this new GENMASK_U128() ABI as well. > Hence it will be really great to have these two patches merged first. > Thank you. > > https://lore.kernel.org/all/20240801054436.612024-1-anshuman.khandual@xxxxxxx/ If you're going to merge the above patch in 6.12, you'd normally send it together with GENMASK_U128 preparation series, get an ACK from me and Rasmus for bitops part and move through arm64 tree. Whatever, I've merged it in bitmap-for-next for testing. Please keep me posted for any following patches. Thanks, Yury
