atomic_testandclear_<type>, atomic_testandset_<type>

[Matthew Macy]

On Sun, Jun 24, 2018 at 01:42 Konstantin Belousov <kostikbel at gmail.com>
wrote:

> On Sat, Jun 23, 2018 at 01:38:07PM -0700, Matthew Macy wrote:
> > It turns out ck already has equivalent primitives. Pardon the noise.
> Why not to add trivial cmpset-based implementations to the lacking
> arches ?  If maintainers prefer proper ll/cs assembly, they would
> have the time to do it properly without ultimatum.



Good point.

>
>
> It is useful to utilize consistent atomic(9) KPI across kernel.
>


Agreed

>
> >
> > -M
> >
> > On Sat, Jun 23, 2018 at 12:18 Matthew Macy <mmacy at freebsd.org> wrote:
> >
> > > The functions in the subject are both documented in atomic(9) and are
> > > implemented by every arch except sparc64 and MIPS. I have some code in
> > > review that uses them that I intend to commit once the various design
> > > issues are addressed. Please implement them so that those targets can
> > > remain part of universe.
> > >
> > > Thanks in advance.
> > > -M
> > >
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