I don't have access to your bugzilla, so I'm assuming you pointed to
your own patch and its crc32.c section where you pass hwcap by argument
and call it earlier in the stack? If so, I've implemented this approach
in this new debdiff, and the PPA has been updated as well :-).

Michael, if you're wondering why the s390_crc32_vx has migrated to
crc32.c, it's because the GLibc documentation mentions something about
ifunc only working properly if the deported functions are in the same
translation unit.

In the end, my version of the patch doesn't look that different to
Ilya's ;-)

** Patch added: "zlib.debdiff"
   
https://bugs.launchpad.net/ubuntu/+source/zlib/+bug/1932010/+attachment/5517342/+files/zlib.debdiff

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https://bugs.launchpad.net/bugs/1932010

Title:
  [21.10 FEAT] zlib CRC32 optimization for s390x

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