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Documentation: in_irq() cleanup

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Replace the obsolete and ambiguos macro in_irq() with new
macro in_hardirq().

Signed-off-by: Changbin Du <changbin.du@gmail.com>

Link: https://lore.kernel.org/r/20210814014831.53083-1-changbin.du@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Changbin Du 2021-08-14 09:48:31 +08:00 committed by Jonathan Corbet
parent f08fe9d293
commit fe450eeb4e
5 changed files with 8 additions and 8 deletions
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4
Documentation/kernel-hacking/hacking.rst
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@ -76,8 +76,8 @@ handler is never re-entered: if the same interrupt arrives, it is queued
fast: frequently it simply acknowledges the interrupt, marks a 'software
interrupt' for execution and exits.
You can tell you are in a hardware interrupt, because
:c:func:`in_irq()` returns true.
You can tell you are in a hardware interrupt, because in_hardirq() returns
true.
.. warning::

4
Documentation/kernel-hacking/locking.rst
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@ -1406,7 +1406,7 @@ bh
half will be running at any time.
Hardware Interrupt / Hardware IRQ
Hardware interrupt request. in_irq() returns true in a
Hardware interrupt request. in_hardirq() returns true in a
hardware interrupt handler.
Interrupt Context
@ -1418,7 +1418,7 @@ SMP
(``CONFIG_SMP=y``).
Software Interrupt / softirq
Software interrupt handler. in_irq() returns false;
Software interrupt handler. in_hardirq() returns false;
in_softirq() returns true. Tasklets and softirqs both
fall into the category of 'software interrupts'.

2
Documentation/translations/it_IT/kernel-hacking/hacking.rst
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@ -90,7 +90,7 @@ i gestori d'interruzioni devono essere veloci: spesso si limitano
esclusivamente a notificare la presa in carico dell'interruzione,
programmare una 'interruzione software' per l'esecuzione e quindi terminare.
Potete dire d'essere in una interruzione hardware perché :c:func:`in_irq()`
Potete dire d'essere in una interruzione hardware perché in_hardirq()
ritorna vero.
.. warning::

4
Documentation/translations/it_IT/kernel-hacking/locking.rst
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@ -1459,11 +1459,11 @@ contesto utente
che hardware.
interruzione hardware
Richiesta di interruzione hardware. in_irq() ritorna vero in un
Richiesta di interruzione hardware. in_hardirq() ritorna vero in un
gestore d'interruzioni hardware.
interruzione software / softirq
Gestore di interruzioni software: in_irq() ritorna falso;
Gestore di interruzioni software: in_hardirq() ritorna falso;
in_softirq() ritorna vero. I tasklet e le softirq sono entrambi
considerati 'interruzioni software'.

2
Documentation/translations/zh_CN/kernel-hacking/hacking.rst
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@ -68,7 +68,7 @@
它将被排队（或丢弃）。因为它会关闭中断，所以处理程序必须很快：通常它只是
确认中断，标记一个“软件中断”以执行并退出。
您可以通过 :c:func:`in_irq()` 返回真来判断您处于硬件中断状态。
您可以通过 in_hardirq() 返回真来判断您处于硬件中断状态。
.. warning::