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| author | Jakub Kicinski <kuba@kernel.org> | 2025-03-10 23:09:25 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-03-10 23:09:26 +0300 |
| commit | 48c57a49c50ad6da816b122960210c7ea47e12a3 (patch) | |
| tree | 4f6ccfea0ebca9c6d03b055be837d711f5da70e6 /tools/perf/scripts/python/task-analyzer.py | |
| parent | 8ef890df4031121a94407c84659125cbccd3fdbe (diff) | |
| parent | d5d715207e2911b84b92f10420d4a8d7653aa98d (diff) | |
| download | linux-48c57a49c50ad6da816b122960210c7ea47e12a3.tar.xz | |
Merge branch 'virtio-net-link-queues-to-napis'
Joe Damato says:
====================
virtio-net: Link queues to NAPIs
Jakub recently commented [1] that I should not hold this series on
virtio-net linking queues to NAPIs behind other important work that is
on-going and suggested I re-spin, so here we are :)
As per the discussion on the v3 [2], now both RX and TX NAPIs use the
API to link queues to NAPIs. Since TX-only NAPIs don't have a NAPI ID,
commit 6597e8d35851 ("netdev-genl: Elide napi_id when not present") now
correctly elides the TX-only NAPIs (instead of printing zero) when the
queues and NAPIs are linked.
As per the discussion on the v4 [3], patch 3 has been refactored to hold
RTNL only in the specific locations which need it as Jason requested.
As per the discussion on the v5 [4], patch 3 now leaves refill_work
as-is and does not use the API to unlink and relink queues and NAPIs. A
comment has been left as suggested by Jakub [5] for future work.
See the commit message of patch 3 for an example of how to get the NAPI
to queue mapping information.
See the commit message of patch 4 for an example of how NAPI IDs are
persistent despite queue count changes.
[1]: https://lore.kernel.org/20250221142650.3c74dcac@kernel.org
[2]: https://lore.kernel.org/20250127142400.24eca319@kernel.org
[3]: https://lore.kernel.org/CACGkMEv=ejJnOWDnAu7eULLvrqXjkMkTL4cbi-uCTUhCpKN_GA@mail.gmail.com
[4]: https://lore.kernel.org/Z8X15hxz8t-vXpPU@LQ3V64L9R2
[5]: https://lore.kernel.org/20250303160355.5f8d82d8@kernel.org
v5: https://lore.kernel.org/20250227185017.206785-1-jdamato@fastly.com
v4: https://lore.kernel.org/20250225020455.212895-1-jdamato@fastly.com
rfcv3: https://lore.kernel.org/20250121191047.269844-1-jdamato@fastly.com
v2: https://lore.kernel.org/20250116055302.14308-1-jdamato@fastly.com
v1: https://lore.kernel.org/20250110202605.429475-1-jdamato@fastly.com
====================
Link: https://patch.msgid.link/20250307011215.266806-1-jdamato@fastly.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/task-analyzer.py')
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