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docs: net: clarify the NAPI rules around XDP Tx
authorJakub Kicinski <kuba@kernel.org>
Thu, 20 Jul 2023 16:13:23 +0000 (09:13 -0700)
committerJakub Kicinski <kuba@kernel.org>
Sat, 22 Jul 2023 01:51:37 +0000 (18:51 -0700)
commit32ad45b76990ece9c5dd1fe7aae6e688c3baa647
tree6d6f7665615bbbf6df95da8ea1d471380e25ccd5tree | snapshot
parent57f1f9dd3abea322173ea75a15887ccf14bbbe51commit | diff
docs: net: clarify the NAPI rules around XDP Tx

page pool and XDP should not be accessed from IRQ context
which may happen if drivers try to clean up XDP TX with
NAPI budget of 0.

Link: https://lore.kernel.org/r/20230720161323.2025379-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Documentation/networking/napi.rst diff | blob | history
Domain: System / Kernel;