[ovs-dev] [DPDK Upcalls 06/11] xlate: Allow callers to supply their own odp_actions buffer.

Ben Pfaff blp at nicira.com
Tue Aug 5 22:09:03 UTC 2014


I'll trust your judgment.

On Tue, Aug 05, 2014 at 02:10:27PM -0700, Ethan Jackson wrote:
> Actually, the more I think about it.  I think I made the right case.
> The only caller that wants to supply it's own odp_actions buffer is
> dpif-netdev.  For everyone else, requiring a user supplied buffer
> would require some rather complicated memory management.  I'd rather
> hide that complexity within the xlate module.
> 
> Thoughts?
> Ethan
> 
> On Tue, Aug 5, 2014 at 2:04 PM, Ethan Jackson <ethan at nicira.com> wrote:
> > I did but I was lazy.  I'll change it.
> >
> > Ethan
> >
> > On Tue, Aug 5, 2014 at 1:02 PM, Ben Pfaff <blp at nicira.com> wrote:
> >> On Fri, Aug 01, 2014 at 06:39:17PM -0700, Ethan Jackson wrote:
> >>> In future patches, this will allow dpif-netdev to avoid a copy.
> >>>
> >>> Signed-off-by: Ethan Jackson <ethan at nicira.com>
> >>
> >> It might be better to require callers to supply a buffer, because it
> >> reduces special cases.  Did you consider that approach?



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