[PATCH v2] eal: abstract compiler atomics

Honnappa Nagarahalli Honnappa.Nagarahalli at arm.com
Wed Feb 22 21:07:44 CET 2023



> -----Original Message-----
> From: Tyler Retzlaff <roretzla at linux.microsoft.com>
> Sent: Wednesday, February 22, 2023 12:10 PM
> To: dev at dpdk.org
> Cc: david.marchand at redhat.com; thomas at monjalon.net;
> mb at smartsharesystems.com; Honnappa Nagarahalli
> <Honnappa.Nagarahalli at arm.com>; bruce.richardson at intel.com
> Subject: Re: [PATCH v2] eal: abstract compiler atomics
> 
> On Wed, Feb 08, 2023 at 01:43:37PM -0800, Tyler Retzlaff wrote:
> > Introduce an abstraction for compiler specific atomics and a meson
> > option to allow standard C11 atomics use.
> 
> notice, this patch series is being withdrawn as it is no longer needed.
> 
> as per technical board meeting this morning we will work toward supporting
> msvc and use of standard atomics.
> 
> in the next few days i'll document in the roadmap a basic plan for enabling
> msvc as a supported compiler.
> 
> * post 23.03 release we will begin patch submission for msvc changes (but
>   not atomics).
My understanding of the discussion is slightly different. Please see below

> 
> * post 23.07 release we will begin patch submission for use of standard
>   atomics from C11.
We want to merge the standard atomics patch immediately after 23.07 release. This means, the patches need to be reviewed/tested/ready-to-merge by 12 July 2023 (as per current planning for 23.07). So, the patch submission needs to happen earlier.

> 
> * starting 23.11 release C11 conformant toolchain including standard
>   atomics support will be a minimum requirement for dpdk.
> 
> thank you everyone who contributed to the conversation, it's fantastic to
> have a path forward.
> 
> ty


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