linux-kernel - [PATCH 3.16 03/86] jump_label: Fix small typos in the documentation

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Date:   Thu, 16 May 2019 16:55:32 +0100
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, Denis Kirjanov <kda@...ux-powerpc.org>,
        "Peter Zijlstra" <peterz@...radead.org>,
        "Thomas Gleixner" <tglx@...utronix.de>,
        "Borislav Petkov" <bp@...en8.de>,
        "Steven Rostedt" <rostedt@...dmis.org>,
        "Linus Torvalds" <torvalds@...ux-foundation.org>,
        "Ingo Molnar" <mingo@...nel.org>,
        "Jason Baron" <jbaron@...mai.com>, "Mel Gorman" <mgorman@...e.de>
Subject: [PATCH 3.16 03/86] jump_label: Fix small typos in the documentation

3.16.68-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Ingo Molnar <mingo@...nel.org>

commit fd3cbdc0d1b5254a2e8793df58c409b469899a3f upstream.

Was reading through the documentation of this code and noticed
a few typos, missing commas, etc.

Cc: Jason Baron <jbaron@...mai.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Mel Gorman <mgorman@...e.de>
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 include/linux/jump_label.h | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -8,28 +8,28 @@
  * Copyright (C) 2011-2012 Peter Zijlstra <pzijlstr@...hat.com>
  *
  * Jump labels provide an interface to generate dynamic branches using
- * self-modifying code. Assuming toolchain and architecture support the result
- * of a "if (static_key_false(&key))" statement is a unconditional branch (which
+ * self-modifying code. Assuming toolchain and architecture support, the result
+ * of a "if (static_key_false(&key))" statement is an unconditional branch (which
  * defaults to false - and the true block is placed out of line).
  *
  * However at runtime we can change the branch target using
  * static_key_slow_{inc,dec}(). These function as a 'reference' count on the key
- * object and for as long as there are references all branches referring to
+ * object, and for as long as there are references all branches referring to
  * that particular key will point to the (out of line) true block.
  *
- * Since this relies on modifying code the static_key_slow_{inc,dec}() functions
+ * Since this relies on modifying code, the static_key_slow_{inc,dec}() functions
  * must be considered absolute slow paths (machine wide synchronization etc.).
- * OTOH, since the affected branches are unconditional their runtime overhead
+ * OTOH, since the affected branches are unconditional, their runtime overhead
  * will be absolutely minimal, esp. in the default (off) case where the total
  * effect is a single NOP of appropriate size. The on case will patch in a jump
  * to the out-of-line block.
  *
- * When the control is directly exposed to userspace it is prudent to delay the
+ * When the control is directly exposed to userspace, it is prudent to delay the
  * decrement to avoid high frequency code modifications which can (and do)
  * cause significant performance degradation. Struct static_key_deferred and
  * static_key_slow_dec_deferred() provide for this.
  *
- * Lacking toolchain and or architecture support, it falls back to a simple
+ * Lacking toolchain and or architecture support, jump labels fall back to a simple
  * conditional branch.
  *
  * struct static_key my_key = STATIC_KEY_INIT_TRUE;
@@ -43,8 +43,7 @@
  *
  * Not initializing the key (static data is initialized to 0s anyway) is the
  * same as using STATIC_KEY_INIT_FALSE.
- *
-*/
+ */
 
 #include <linux/types.h>
 #include <linux/compiler.h>