[dpdk-dev] [PATCH 7/7] eal/mem: use DMA mask check for legacy memory
Alejandro Lucero
alejandro.lucero at netronome.com
Thu Nov 1 15:32:57 CET 2018
On Thu, Nov 1, 2018 at 2:28 PM Burakov, Anatoly <anatoly.burakov at intel.com>
wrote:
> On 01-Nov-18 1:39 PM, Alejandro Lucero wrote:
> >
> >
> > On Thu, Nov 1, 2018 at 10:40 AM Burakov, Anatoly
> > <anatoly.burakov at intel.com <mailto:anatoly.burakov at intel.com>> wrote:
> >
> > On 31-Oct-18 5:29 PM, Alejandro Lucero wrote:
> > > If a device reports addressing limitations through a dma mask,
> > > the IOVAs for mapped memory needs to be checked out for ensuring
> > > correct functionality.
> > >
> > > Previous patches introduced this DMA check for main memory code
> > > currently being used but other options like legacy memory and the
> > > no hugepages one need to be also considered.
> > >
> > > This patch adds the DMA check for those cases.
> > >
> > > Signed-off-by: Alejandro Lucero <alejandro.lucero at netronome.com
> > <mailto:alejandro.lucero at netronome.com>>
> > > ---
> >
> > IMO this needs to be integrated with patch 5.
> >
> >
> > Not sure about this. patch 5 is a follow-up of patch 4, and this is to
> > add support for other EAL supported memory options.
> >
>
> So it's a followup of patch 5, adding pretty much the same functionality
> (only in a different place). It's pretty safe to say these should be in
> the same patch, or at the very least one after the other.
>
>
Ok. I'll do so.
Thanks
> --
> Thanks,
> Anatoly
>
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