Re: [lock-free] Linux membarrier syscall

2023-06-16 Thread Dmitry Vyukov
On Fri, Jun 16, 2023 at 1:39 PM Joseph Seigh wrote: > > rseq? The concept seems vaguely familiar. :) Yes, I meant mostly that it can now be played with easily and used in production. > Might not get past POC w/ smrproxy. The idea was to write portable code > using c11/c17 atomics but I

Re: [lock-free] Linux membarrier syscall

2023-06-16 Thread Joseph Seigh
rseq? The concept seems vaguely familiar. :) Might not get past POC w/ smrproxy. The idea was to write portable code using c11/c17 atomics but I don't thing that's possible given how borked its memory model semantics are. And I mean even more borked than their discussions of what they