From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: dev@dpdk.org
Subject: Re: [PATCH] vfio: support iommu group zero
Date: Thu, 10 Dec 2015 21:30:35 +0100 [thread overview]
Message-ID: <3203697.oS0G5XCV1g@xps13> (raw)
In-Reply-To: <C6ECDF3AB251BE4894318F4E45123697820B115F@IRSMSX109.ger.corp.intel.com>
> > The current implementation of VFIO will not with the new no-IOMMU mode
> > in 4.4 kernel. The original code assumed that IOMMU group zero would
> > never be used. Group numbers are assigned starting at zero, and up until
> > now the group numbers came from the hardware which is likely to use group
> > 0 for system devices that are not used with DPDK.
> >
> > The fix is to allow 0 as a valid group and rearrange code to split the return
> > value from the group value.
> >
> > Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
>
> Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>
Applied, thanks
Stephen, please keep us updated about VFIO no-iommu.
next prev parent reply other threads:[~2015-12-10 20:31 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-09 17:55 [PATCH] vfio: support iommu group zero Stephen Hemminger
2015-12-09 21:12 ` Thomas Monjalon
2015-12-09 21:51 ` Stephen Hemminger
2015-12-09 21:58 ` Stephen Hemminger
2015-12-09 22:49 ` Thomas Monjalon
2015-12-09 23:12 ` Stephen Hemminger
2015-12-09 23:22 ` Alex Williamson
2015-12-10 0:52 ` Stephen Hemminger
2015-12-10 1:52 ` Alex Williamson
2015-12-10 9:57 ` Burakov, Anatoly
2015-12-10 20:30 ` Thomas Monjalon [this message]
-- strict thread matches above, loose matches on Subject: below --
2015-10-27 2:34 Stephen Hemminger
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