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

Thomas Monjalon thomas at monjalon.net
Sun Feb 16 18:36:15 CET 2020


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 overkill.[1]
> >[...]
> >> 
> >> Applied to dpdk-next-net-intel with Jerin's Reviewed-by tag, Thanks.
> >
> >I assume it is too much risky doing such optimization post-rc3.
> 
> Yes, this iss a valid concern, I agree to postpone it to next release.
> 
> >
> >Ferruh, Xiaolong, you don't plan anymore pull from dpdk-next-net-intel
> >in 20.02?
> 
> There are still some bug fixing work going on in PRC, so I assume there 
> should be some fix patches after RC3, they are still allowed to be merged
> to 20.02, if the fix is relatively small in terms of lines of code and scope,
> right?

Right




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