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Date: Wed, 18 Mar 2020 10:41:32 -0700 From: Stephen Boyd <swboyd@...omium.org> To: Jonathan Corbet <corbet@....net> Cc: linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org Subject: [PATCH v2 1/2] docs: locking: Add 'need' to hardirq section Add the missing word to make this sentence read properly. Signed-off-by: Stephen Boyd <swboyd@...omium.org> --- Documentation/kernel-hacking/locking.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/kernel-hacking/locking.rst b/Documentation/kernel-hacking/locking.rst index a8518ac0d31d..9850c1e52607 100644 --- a/Documentation/kernel-hacking/locking.rst +++ b/Documentation/kernel-hacking/locking.rst @@ -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: -- Sent by a computer, using git, on the internet
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