Re: [PATCH net-next 0/3] Change BPF_TEST_RUN use the system page pool for live XDP frames

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On Tue, 2024-02-20 at 09:39 +0100, Daniel Borkmann wrote:
> On 2/19/24 7:52 PM, Toke Høiland-Jørgensen wrote:
> > Toke Høiland-Jørgensen <toke@xxxxxxxxxx> writes:
> > 
> > > Now that we have a system-wide page pool, we can use that for the live
> > > frame mode of BPF_TEST_RUN (used by the XDP traffic generator), and
> > > avoid the cost of creating a separate page pool instance for each
> > > syscall invocation. See the individual patches for more details.
> > > 
> > > Toke Høiland-Jørgensen (3):
> > >    net: Register system page pool as an XDP memory model
> > >    bpf: test_run: Use system page pool for XDP live frame mode
> > >    bpf: test_run: Fix cacheline alignment of live XDP frame data
> > >      structures
> > > 
> > >   include/linux/netdevice.h |   1 +
> > >   net/bpf/test_run.c        | 138 +++++++++++++++++++-------------------
> > >   net/core/dev.c            |  13 +++-
> > >   3 files changed, 81 insertions(+), 71 deletions(-)
> > 
> > Hi maintainers
> > 
> > This series is targeting net-next, but it's listed as delegate:bpf in
> > patchwork[0]; is that a mistake? Do I need to do anything more to nudge it
> > along?
> 
> I moved it over to netdev, it would be good next time if there are dependencies
> which are in net-next but not yet bpf-next to clearly state them given from this
> series the majority touches the bpf test infra code.

This series apparently causes bpf self-tests failures:

https://github.com/kernel-patches/bpf/actions/runs/7929088890/job/21648828278

I'm unsure if that is blocking, or just a CI glitch.

The series LGTM, but I think it would be better if someone from the
ebpf team could also have a look.

Thanks!

Paolo






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