[dpdk-dev] [PATCH v4 2/4] hash: add extendable bucket feature

[Stephen Hemminger]

On Tue, 2 Oct 2018 23:39:51 +0000
"Wang, Yipeng1" <yipeng1.wang at intel.com> wrote:

> >> +		if (last_bkt->key_idx[i] != EMPTY_SLOT) {
> >> +			cur_bkt->key_idx[pos] = last_bkt->key_idx[i];
> >> +			cur_bkt->sig_current[pos] = last_bkt->sig_current[i];
> >> +			cur_bkt->sig_alt[pos] = last_bkt->sig_alt[i];
> >> +			last_bkt->sig_current[i] = NULL_SIGNATURE;
> >> +			last_bkt->sig_alt[i] = NULL_SIGNATURE;
> >> +			last_bkt->key_idx[i] = EMPTY_SLOT;
> >> +			return;  
> >In lock-free algorithm, this will require the global counter increment.
> >  
> [Wang, Yipeng] I agree. Similar to your protect for cuckoo displacement, protecting the copy part