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SubjectRe: [PATCH net-next v2 0/4] Change BPF_TEST_RUN use the system page pool for live XDP frames
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Toke Høiland-Jørgensen <toke@redhat.com> 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.
>
> This series targets net-next because it depends on this series of
> Lorenzo's, that adds a global system page pool:
>
> https://lore.kernel.org/r/cover.1707729884.git.lorenzo@kernel.org
>
> Changelog:
> v2:
> - Change the cookie that marks the page for recycling to be a 128-bit
> value (Paolo)

Alright> - Add a patch that removes the init_callback parameter from page
> pool (Olek)
> - Carry forward review tags from v1
>
> Toke Høiland-Jørgensen (4):
> 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
> page pool: Remove init_callback parameter
>
> include/linux/netdevice.h | 1 +
> include/net/page_pool/types.h | 4 -
> net/bpf/test_run.c | 143 +++++++++++++++++-----------------
> net/core/dev.c | 13 +++-
> net/core/page_pool.c | 4 -
> 5 files changed, 86 insertions(+), 79 deletions(-)
>
> --
> 2.43.0


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