[dpdk-dev] [PATCH v8 01/15] eal: introduce atomic exchange operation

[Thomas Monjalon]

26/01/2018 03:01, Stephen Hemminger:
> To handle atomic update of link status (64 bit), every driver
> was doing its own version using cmpset.
> Atomic exchange is a useful primitive in its own right;
> therefore make it a EAL routine.
> 
> Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
> ---
>  .../common/include/arch/ppc_64/rte_atomic.h        | 21 +++++-
>  .../common/include/arch/x86/rte_atomic.h           | 24 +++++++
>  .../common/include/arch/x86/rte_atomic_32.h        | 12 ++++
>  .../common/include/arch/x86/rte_atomic_64.h        | 12 ++++
>  lib/librte_eal/common/include/generic/rte_atomic.h | 78 ++++++++++++++++++++++
>  5 files changed, 146 insertions(+), 1 deletion(-)

Looks good, thanks.

It probably deserves a review by PPC experts.
Adding Chao, maintainer of this part.
+ Bruce and Konstantin for x86 part.