[PATCH 1/2] arch: mark syscall number 435 reserved for clone3

Sven Schnelle svens at stackframe.org
Wed Jul 17 04:53:10 AEST 2019


[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 at 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 at c3750:/# echo $?


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