Re: [PATCH 1/2] membarrier: add MEMBARRIER_CMD_PRIVATE_RESTART_RSEQ_ON_CPU

[peterz]

On Fri, Aug 07, 2020 at 02:07:59PM -0400, Mathieu Desnoyers wrote:
> One thing I find weird about Peter's patch is that it adds a
> MEMBERRIER_CMD_PRIVATE_EXPEDITED_RSEQ without a corresponding
> MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ. Considering that
> the SYNC_CORE variant already has its own register command, I
> find it weird that the RSEQ counterpart does not have one.

I thought the register thing was about global, not private membarriers.

Anyway, it was just a quick pseudo thing to show how one can go about
adding the rseq to the mm iteration we already have.