Re: [dpdk-dev] [PATCH v5 0/8] Add read-write concurrency to rte_hash library

[Thomas Monjalon <thomas@monjalon.net>]

10/07/2018 18:59, Yipeng Wang:
> This patch set adds the read-write concurrency support in rte_hash.
> A new flag value is added to indicate if read-write concurrency is needed
> during creation time. Test cases are implemented to do functional and
> performance tests.
> 
> The new concurrency model is based on rte_rwlock. When Intel TSX is
> available and the users indicate to use it, the TM version of the
> rte_rwlock will be called. Both multi-writer and read-write concurrency
> are protected by the rte_rwlock instead of the x86 specific RTM
> instructions, so the x86 specific header rte_cuckoo_hash_x86.h is removed
> and the code is infused into the main .c file.
> 
> A new rte_hash_count API is proposed to count how many keys are inserted
> into the hash table.
> 
> Yipeng Wang (8):
>   hash: fix multiwriter lock memory allocation
>   hash: fix a multi-writer race condition
>   hash: fix key slot size accuracy
>   hash: make duplicated code into functions
>   hash: add read and write concurrency support
>   test: add tests in hash table perf test
>   test: add test case for read write concurrency
>   hash: add new API function to query the key count

Applied, thanks