Date: Sun, 24 Jun 2018 10:50:32 -0700 From: Matthew Macy <mmacy@freebsd.org> To: Konstantin Belousov <kostikbel@gmail.com> Cc: Adrian Chadd <adrian.chadd@gmail.com>, John Baldwin <jhb@freebsd.org>, "br@freebsd.org" <br@freebsd.org>, freebsd-current <freebsd-current@freebsd.org>, marius@freebsd.org Subject: Re: atomic_testandclear_<type>, atomic_testandset_<type> Message-ID: <CAPrugNpvnDMEJ2-%2BLg1r-AxY=y=0oX4J71ebgbQRR3PycUwdJw@mail.gmail.com> In-Reply-To: <20180624084214.GW2430@kib.kiev.ua> References: <CAPrugNpff58zQa-Dzpqp%2BrO8KeP0o=nEELLnVLiYRmmV%2BQqgZg@mail.gmail.com> <CAPrugNoNjcRqhhOCwVpcTLy2YrxnLhjobSKx8B0mDxNU7AM-=g@mail.gmail.com> <20180624084214.GW2430@kib.kiev.ua>
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On Sun, Jun 24, 2018 at 01:42 Konstantin Belousov <kostikbel@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@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 > > > > > _______________________________________________ > > freebsd-current@freebsd.org mailing list > > https://lists.freebsd.org/mailman/listinfo/freebsd-current > > To unsubscribe, send any mail to " > freebsd-current-unsubscribe@freebsd.org" >
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