Hi, [Adding Helge to CC list] On Tue, Jul 16, 2019 at 03:06:33PM +0200, Christian Brauner wrote: > On Mon, Jul 15, 2019 at 03:56:04PM +0200, Christian Borntraeger wrote: > > I think Vasily already has a clone3 patch for s390x with 435. > > A quick follow-up on this. Helge and Michael have asked whether there > are any tests for clone3. Yes, there will be and I try to have them > ready by the end of the this or next week for review. In the meantime I > hope the following minimalistic test program that just verifies very > very basic functionality (It's not pretty.) will help you test: > [..] On PA-RISC this seems to work fine with Helge's patch to wire up the clone3 syscall. root@c3750:/# clonetest Parent process received child's pid 84 as return value Parent process received child's pidfd 3 Parent process received child's pid 84 as return argument Child process with pid 84 root@c3750:/# echo $? 0 Regards Sven