Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-21 19:41:42 +00:00
Code Issues Packages Projects Releases Wiki Activity

docs: locking: Add 'need' to hardirq section

Browse Source 
Add the missing word to make this sentence read properly.

Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20200318174133.160206-2-swboyd@chromium.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Stephen Boyd 2020-03-18 10:41:32 -07:00 committed by Jonathan Corbet
parent 769f90f8a9
commit 6adb775599
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/kernel-hacking/locking.rst
View File

@ -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: