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| author | Sean Anderson <sean.anderson@linux.dev> | 2024-09-30 11:39:54 -0400 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2024-10-03 12:07:29 +0200 |
| commit | b63ad06ddddfe792f93df0c24adb66622bd7b8c9 (patch) | |
| tree | c8b52351e3e366b0877176c0c39458688bdca1b7 | |
| parent | 1127c73a8d4f803bb3d9e3d024b0863191d52e03 (diff) | |
| download | linux-stable-b63ad06ddddfe792f93df0c24adb66622bd7b8c9.tar.gz linux-stable-b63ad06ddddfe792f93df0c24adb66622bd7b8c9.tar.bz2 linux-stable-b63ad06ddddfe792f93df0c24adb66622bd7b8c9.zip | |
doc: net: napi: Update documentation for napi_schedule_irqoff
Since commit 8380c81d5c4f ("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>
| -rw-r--r-- | Documentation/networking/napi.rst | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/Documentation/networking/napi.rst b/Documentation/networking/napi.rst index 7bf7b95c4f7a..dfa5d549be9c 100644 --- a/Documentation/networking/napi.rst +++ b/Documentation/networking/napi.rst @@ -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 of guarantees given by being invoked in IRQ context (no need to -mask interrupts). Note that PREEMPT_RT forces all interrupts -to be threaded so the interrupt may need to be marked ``IRQF_NO_THREAD`` -to avoid issues on real-time kernel configurations. +mask interrupts). napi_schedule_irqoff() will fall back to napi_schedule() if +IRQs are threaded (such as if ``PREEMPT_RT`` is enabled). Instance to queue mapping ------------------------- |