From fe450eeb4e6f1c19d088c99d2206ecabb8d0892b Mon Sep 17 00:00:00 2001 From: Changbin Du Date: Sat, 14 Aug 2021 09:48:31 +0800 Subject: Documentation: in_irq() cleanup Replace the obsolete and ambiguos macro in_irq() with new macro in_hardirq(). Signed-off-by: Changbin Du Link: https://lore.kernel.org/r/20210814014831.53083-1-changbin.du@gmail.com Signed-off-by: Jonathan Corbet --- Documentation/kernel-hacking/hacking.rst | 4 ++-- Documentation/kernel-hacking/locking.rst | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) (limited to 'Documentation/kernel-hacking') diff --git a/Documentation/kernel-hacking/hacking.rst b/Documentation/kernel-hacking/hacking.rst index df65c19aa7df..55bd37a2efb0 100644 --- a/Documentation/kernel-hacking/hacking.rst +++ b/Documentation/kernel-hacking/hacking.rst @@ -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:: diff --git a/Documentation/kernel-hacking/locking.rst b/Documentation/kernel-hacking/locking.rst index ed1284c6f078..94232ed1d592 100644 --- a/Documentation/kernel-hacking/locking.rst +++ b/Documentation/kernel-hacking/locking.rst @@ -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'. -- cgit v1.2.3