[dpdk-dev] config files maintenance

Zhang, Helin helin.zhang at intel.com
Fri Jul 31 18:34:54 CEST 2015



> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> Sent: Friday, July 31, 2015 8:43 AM
> To: Zhang, Helin
> Cc: Ananyev, Konstantin; Richardson, Bruce; dev at dpdk.org
> Subject: Re: config files maintenance
> 
> 2015-07-31 15:39, Zhang, Helin:
> > From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> > > 2015-07-31 15:29, Zhang, Helin:
> > > > From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> > > > > Can we remove i40e bulk alloc option?
> > > >
> > > > As the receiving functions are different for bulk_alloc or not, we need this
> flag.
> > >
> > > What brings the non bulk alloc function?
> >
> > Bulk-alloc means it will allocate mbufs in bulk, which was added
> > before we supporting Vector PMD long long ago, to show the possible better
> performance.
> > I think all was disabled by default, and later it is enabled by default for Linux.
> 
> Yes, I know that. My question was:
> Why not removing the non bulk alloc Rx in i40e?
> Who needs to disable I40E_RX_ALLOW_BULK_ALLOC?
> 
> I think you understand that the goal is remove some options and code useless
> nowadays (maintenance stuff).

I remember that last time somebody else were discussing about removing that,
but finally gave up. Let me find out why they gave up, and then see if we can remove it later.

Thanks,
Helin



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