[PATCH 0/3] use C11 memory model GCC builtin atomics

David Marchand david.marchand at redhat.com
Wed Jun 7 18:46:37 CEST 2023


On Mon, Mar 27, 2023 at 4:30 PM Tyler Retzlaff
<roretzla at linux.microsoft.com> wrote:
>
> Replace the use of __sync_<op>_and_fetch and __sync_fetch_and_<op> atomics
> with GCC C11 memory model __atomic builtins.
>
> This series contributes to converging on standard atomics in 23.11 but is
> kept separate as there may be sensitivity to converting from __sync to the
> C11 memory model builtins.
>
> Tyler Retzlaff (3):
>   bus/vmbus: use C11 memory model GCC builtin atomics
>   crypto/ccp: use C11 memory model GCC builtin atomics
>   eal: use C11 memory model GCC builtin atomics
>
>  drivers/bus/vmbus/vmbus_channel.c    |  2 +-
>  drivers/crypto/ccp/ccp_dev.c         |  6 ++++--
>  lib/eal/include/generic/rte_atomic.h | 32 ++++++++++++++++----------------
>  3 files changed, 21 insertions(+), 19 deletions(-)

Please use get-maintainers.sh when submitting patches.

The change looks ok to me and rc1 validation will confirm if there is
an impact on performance.
Series applied, thanks.


-- 
David Marchand



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