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authorLinus Torvalds <torvalds@linux-foundation.org>2012-03-24 10:08:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-24 10:08:39 -0700
commited2d265d1266736bd294332d7f649003943ae36e (patch)
tree860e5b7bb72933e4a9abacdc2f2d75a0e6254e32 /fs/reiserfs
parentf1d38e423a697b7aa06e12d3ca4753bcc1aa3531 (diff)
parent6c03438edeb5c359af35f060ea016ca65671c269 (diff)
downloadvexpress-lsk-ed2d265d1266736bd294332d7f649003943ae36e.tar.gz
Merge tag 'bug-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
Pull <linux/bug.h> cleanup from Paul Gortmaker: "The changes shown here are to unify linux's BUG support under the one <linux/bug.h> file. Due to historical reasons, we have some BUG code in bug.h and some in kernel.h -- i.e. the support for BUILD_BUG in linux/kernel.h predates the addition of linux/bug.h, but old code in kernel.h wasn't moved to bug.h at that time. As a band-aid, kernel.h was including <asm/bug.h> to pseudo link them. This has caused confusion[1] and general yuck/WTF[2] reactions. Here is an example that violates the principle of least surprise: CC lib/string.o lib/string.c: In function 'strlcat': lib/string.c:225:2: error: implicit declaration of function 'BUILD_BUG_ON' make[2]: *** [lib/string.o] Error 1 $ $ grep linux/bug.h lib/string.c #include <linux/bug.h> $ We've included <linux/bug.h> for the BUG infrastructure and yet we still get a compile fail! [We've not kernel.h for BUILD_BUG_ON.] Ugh - very confusing for someone who is new to kernel development. With the above in mind, the goals of this changeset are: 1) find and fix any include/*.h files that were relying on the implicit presence of BUG code. 2) find and fix any C files that were consuming kernel.h and hence relying on implicitly getting some/all BUG code. 3) Move the BUG related code living in kernel.h to <linux/bug.h> 4) remove the asm/bug.h from kernel.h to finally break the chain. During development, the order was more like 3-4, build-test, 1-2. But to ensure that git history for bisect doesn't get needless build failures introduced, the commits have been reorderd to fix the problem areas in advance. [1] https://lkml.org/lkml/2012/1/3/90 [2] https://lkml.org/lkml/2012/1/17/414" Fix up conflicts (new radeon file, reiserfs header cleanups) as per Paul and linux-next. * tag 'bug-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: kernel.h: doesn't explicitly use bug.h, so don't include it. bug: consolidate BUILD_BUG_ON with other bug code BUG: headers with BUG/BUG_ON etc. need linux/bug.h bug.h: add include of it to various implicit C users lib: fix implicit users of kernel.h for TAINT_WARN spinlock: macroize assert_spin_locked to avoid bug.h dependency x86: relocate get/set debugreg fcns to include/asm/debugreg.
Diffstat (limited to 'fs/reiserfs')
-rw-r--r--fs/reiserfs/reiserfs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h
index 445d768eea4..a59d2712633 100644
--- a/fs/reiserfs/reiserfs.h
+++ b/fs/reiserfs/reiserfs.h
@@ -7,6 +7,7 @@
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
+#include <linux/bug.h>
#include <linux/workqueue.h>
#include <asm/unaligned.h>
#include <linux/bitops.h>