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Message-Id: <1421006778-11148-1-git-send-email-voytikd@gmail.com>
Date: Sun, 11 Jan 2015 23:06:18 +0300
From: Dmitry Voytik <voytikd@...il.com>
To: Arnd Bergmann <arnd@...db.de>
Cc: linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
Dmitry Voytik <voytikd@...il.com>
Subject: [PATCH] bug: add comments for BUG_ON() and BUG()
Signed-off-by: Dmitry Voytik <voytikd@...il.com>
---
include/asm-generic/bug.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index 630dd23..b0aa488 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -43,6 +43,10 @@ struct bug_entry {
* If you're tempted to BUG(), think again: is completely giving up
* really the *only* solution? There are usually better options, where
* users don't need to reboot ASAP and can mostly shut down cleanly.
+ *
+ * Use BUG_ON(unexpected_fatal_condition) instead of just:
+ * if (unexpected_fatal_condition)
+ * BUG();
*/
#ifndef HAVE_ARCH_BUG
#define BUG() do { \
--
1.9.1
--
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