Re: atomic_testandclear_, atomic_testandset_

2018-06-24 Thread Matthew Macy
On Sun, Jun 24, 2018 at 01:42 Konstantin Belousov 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

Re: atomic_testandclear_, atomic_testandset_

2018-06-24 Thread Konstantin Belousov
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

Re: atomic_testandclear_, atomic_testandset_

2018-06-23 Thread Matthew Macy
It turns out ck already has equivalent primitives. Pardon the noise. -M On Sat, Jun 23, 2018 at 12:18 Matthew Macy 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

atomic_testandclear_, atomic_testandset_

2018-06-23 Thread Matthew Macy
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