On Mon, Jun 11, 2018 at 03:49:18PM -0400, Mathieu Desnoyers wrote:
> Hi!
> Good news! The restartable sequences (rseq) system call is now merged into 
> the master
> branch of the Linux kernel within the 4.18 merge window:
> https://github.com/torvalds/linux/commit/d82991a8688ad128b46db1b42d5d84396487a508
> It would be important to discuss how we should proceed to integrate the 
> library part
> of rseq (see tools/testing/selftests/rseq/rseq*.{ch}) into glibc, or if it 
> should
> live in a standalone project.

Is there any documentation available of what is the exact semantics of the
functions that have to be implemented for additional architectures?

I could look at rseq-skip.h and e.g. rseq-x86.h and try to figure out what
would be the correct implementation for s390. But having that somewhere
written down, e.g. as comments in one of the implementations, would be very

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