Re: [dpdk-dev] [PATCH v4] net/i40e: relaxed barrier in the tx fastpath

2020-02-16 Thread Thomas Monjalon
16/02/2020 17:38, Ye Xiaolong: > Hi, Thomas > > On 02/16, Thomas Monjalon wrote: > >15/02/2020 16:16, Ye Xiaolong: > >> s/relaxed/relax > >> > >> On 02/12, Gavin Hu wrote: > >> >To keep ordering of mixed accesses, rte_cio is sufficient. > >> >The rte_io barrier inside the I40E_PCI_REG_WRITE is ov

Re: [dpdk-dev] [PATCH v4] net/i40e: relaxed barrier in the tx fastpath

2020-02-16 Thread Ye Xiaolong
Hi, Thomas On 02/16, Thomas Monjalon wrote: >15/02/2020 16:16, Ye Xiaolong: >> s/relaxed/relax >> >> On 02/12, Gavin Hu wrote: >> >To keep ordering of mixed accesses, rte_cio is sufficient. >> >The rte_io barrier inside the I40E_PCI_REG_WRITE is overkill.[1] >[...] >> >> Applied to dpdk-next-net

Re: [dpdk-dev] [PATCH v4] net/i40e: relaxed barrier in the tx fastpath

2020-02-16 Thread Thomas Monjalon
15/02/2020 16:16, Ye Xiaolong: > s/relaxed/relax > > On 02/12, Gavin Hu wrote: > >To keep ordering of mixed accesses, rte_cio is sufficient. > >The rte_io barrier inside the I40E_PCI_REG_WRITE is overkill.[1] [...] > > Applied to dpdk-next-net-intel with Jerin's Reviewed-by tag, Thanks. I assume

Re: [dpdk-dev] [PATCH v4] net/i40e: relaxed barrier in the tx fastpath

2020-02-15 Thread Ye Xiaolong
s/relaxed/relax On 02/12, Gavin Hu wrote: >To keep ordering of mixed accesses, rte_cio is sufficient. >The rte_io barrier inside the I40E_PCI_REG_WRITE is overkill.[1] > >[1] http://inbox.dpdk.org/dev/CALBAE1M-ezVWCjqCZDBw+MMDEC4O9 >qf0kpn89emdgdajepk...@mail.gmail.com > >Fixes: 4861cde46116 ("i40

Re: [dpdk-dev] [PATCH v4] net/i40e: relaxed barrier in the tx fastpath

2020-02-14 Thread Gavin Hu
gt; Subject: Re: [dpdk-dev] [PATCH v4] net/i40e: relaxed barrier in the tx > fastpath > > To keep ordering of mixed accesses, rte_cio is sufficient. > The rte_io barrier inside the I40E_PCI_REG_WRITE is overkill.[1] > > [1] http://inbox.dpdk.org/dev/CALBAE1M-ezVWCjqCZ

[dpdk-dev] [PATCH v4] net/i40e: relaxed barrier in the tx fastpath

2020-02-11 Thread Gavin Hu
To keep ordering of mixed accesses, rte_cio is sufficient. The rte_io barrier inside the I40E_PCI_REG_WRITE is overkill.[1] [1] http://inbox.dpdk.org/dev/CALBAE1M-ezVWCjqCZDBw+MMDEC4O9 qf0kpn89emdgdajepk...@mail.gmail.com Fixes: 4861cde46116 ("i40e: new poll mode driver") Cc: sta...@dpdk.org Sig