The 10/17/2023 18:14, Peter Bergner wrote: > CCing linux-kernel for more exposure. > > PING. I'm waiting on a reply from anyone on the kernel side of things > to see whether they have an issue with reserving values for AT_HWCAP3 > and AT_HWCAP4. > > I'll note reviews from the GLIBC camp did not have an issue with the below patch. fwiw, aarch64 is quickly filling up AT_HWCAP2 so this will be useful for arm64 too eventually, but we are not in a hurry. > > +#define AT_HWCAP3 29 /* extension of AT_HWCAP */ > > +#define AT_HWCAP4 30 /* extension of AT_HWCAP */