[RFC PATCH 4/4] membarrier: Introduce Kconfig ARCH_HAS_MEMBARRIER

[Andrea Parri]

On Mon, Dec 11, 2023 at 08:34:21AM -0500, Mathieu Desnoyers wrote:
> On 2023-12-11 04:44, Andrea Parri wrote:
> > Architectures supporting the "private expedited" membarrier command must
> > select the Kconfig to use the command.  Document status and requirements
> > for each architecture in a single file under Documentation/features.
> 
> Sorry for being vague in my suggestion: I did not intend to make it
> optional (not ARCH_HAS_MEMBARRIER), but rather just to have a central
> place where this would be documented.

I see.


> I'm not sure where in Documentation this should land though ?

Not sure, perhaps a section in (a new) Documentation/scheduler/membarrier.rst?

  Andrea