On Mon, Aug 27, 2018 at 01:02:41PM +0200, Ard Biesheuvel wrote: > While this is not known to cause performance issues, calling a table based > time variant implementation with a non-negligible D-cache footprint (8 KB) > is wasteful in any case, and now that the crc32 instructions have been made > mandatory in the architecture, let's wire them up into the core crc routines. Stupid question --- are there any arm64 SOC's out there which do *not* have the crc32 instructions? Presumably there won't be in the future, because it's now mandatory --- but where there any in the past? - Ted