[dpdk-dev] [PATCH v2 0/8] use GCC's C11 atomic builtins for test

[Honnappa Nagarahalli]

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> 
> 18/06/2021 01:26, Honnappa Nagarahalli:
> > > On Tue, Jun 15, 2021 at 09:54:51PM -0500, Joyce Kong wrote:
> > > > Since C11 memory model is adopted in DPDK now[1], use GCC's atomic
> > > > builtins in test cases.
> > >
> > > as previously discussed these atomics are not "C11" they are direct
> > > use of gcc builtins. please don't incorporate C11 into the title of
> > > the patches or commit messages since it isn't.
> >
> > GCC supports 2 types of built-in atomics, __atomic_xxx[1] and
> > __sync_xxx [2].
> > We need a way to distinguish between them.
> > We are using "C11" as [1] says they match C++11 memory model.
> 
> I agree it would be more correct to mention "compiler builtin"
> as it is not strictly the C11 API.
The log already mentions "GCC's C11 atomic builtins". I think that is correct enough and represents the change correctly.

> 
> > [1] https://gcc.gnu.org/onlinedocs/gcc/_005f_005fatomic-Builtins.html
> > [2] https://gcc.gnu.org/onlinedocs/gcc-4.1.1/gcc/Atomic-Builtins.html
> >
> > >
> > > please do not integrate a patch that directly uses gcc builtins and
> > > extensions please maintain abstractions under the rte_ namespace.
> >
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