docs: locking: Add 'need' to hardirq section (6adb7755) · Commits · 戴 / test

Add the missing word to make this sentence read properly. Signed-off-by:

Documentation/kernel-hacking/locking.rst

+1 −1

Original line number	Diff line number	Diff line
		@@ -263,7 +263,7 @@ by a hardware interrupt on another CPU. This is where
		interrupts on that cpu, then grab the lock.
		:c:func:`spin_unlock_irq()` does the reverse.

		The irq handler does not to use :c:func:`spin_lock_irq()`, because
		The irq handler does not need to use :c:func:`spin_lock_irq()`, because
		the softirq cannot run while the irq handler is running: it can use
		:c:func:`spin_lock()`, which is slightly faster. The only exception
		would be if a different hardware irq handler uses the same lock: