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doc: net: napi: Update documentation for napi_schedule_irqoff

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Since commit 8380c81d5c ("net: Treat __napi_schedule_irqoff() as
__napi_schedule() on PREEMPT_RT"), napi_schedule_irqoff will do the
right thing if IRQs are threaded. Therefore, there is no need to use
IRQF_NO_THREAD.

Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://patch.msgid.link/20240930153955.971657-1-sean.anderson@linux.dev
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Sean Anderson 2024-09-30 11:39:54 -04:00 committed by Paolo Abeni
parent 1127c73a8d
commit b63ad06ddd
1 changed files with 2 additions and 3 deletions
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Documentation/networking/napi.rst
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@ -144,9 +144,8 @@ IRQ should only be unmasked after a successful call to napi_complete_done():
napi_schedule_irqoff() is a variant of napi_schedule() which takes advantage napi_schedule_irqoff() is a variant of napi_schedule() which takes advantage
of guarantees given by being invoked in IRQ context (no need to of guarantees given by being invoked in IRQ context (no need to
mask interrupts). Note that PREEMPT_RT forces all interrupts mask interrupts). napi_schedule_irqoff() will fall back to napi_schedule() if
to be threaded so the interrupt may need to be marked ``IRQF_NO_THREAD`` IRQs are threaded (such as if ``PREEMPT_RT`` is enabled).
to avoid issues on real-time kernel configurations.
Instance to queue mapping Instance to queue mapping
------------------------- -------------------------