From: Dmitry Voytik <voytikd@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
Dmitry Voytik <voytikd@gmail.com>
Subject: [PATCH] bug: add comments for BUG_ON() and BUG()
Date: Sun, 11 Jan 2015 23:06:18 +0300 [thread overview]
Message-ID: <1421006778-11148-1-git-send-email-voytikd@gmail.com> (raw)
Signed-off-by: Dmitry Voytik <voytikd@gmail.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
next reply other threads:[~2015-01-11 20:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-11 20:06 Dmitry Voytik [this message]
2015-01-11 20:06 ` [PATCH] bug: add comments for BUG_ON() and BUG() Dmitry Voytik
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