The patch titled
Subject: bug.h: Fix BUILD_BUG_ON macro in __CHECKER__
has been added to the -mm tree. Its filename is
bugh-fix-build_bug_on-macro-in-__checker__.patch
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------------------------------------------------------
From: Daniel Santos <daniel.santos@xxxxxxxxx>
Subject: bug.h: Fix BUILD_BUG_ON macro in __CHECKER__
When __CHECKER__ is defined, we disable all of the BUILD_BUG.* macros.
However, both BUILD_BUG_ON_NOT_POWER_OF_2 and BUILD_BUG_ON was evaluating
to nothing in this case, and we want (0) since this is a function-like
macro that will be followed by a semicolon.
Signed-off-by: Daniel Santos <daniel.santos@xxxxxxxxx>
Acked-by: Borislav Petkov <bp@xxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Joe Perches <joe@xxxxxxxxxxx>
Cc: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
Cc: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/bug.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN include/linux/bug.h~bugh-fix-build_bug_on-macro-in-__checker__ include/linux/bug.h
--- a/include/linux/bug.h~bugh-fix-build_bug_on-macro-in-__checker__
+++ a/include/linux/bug.h
@@ -12,11 +12,11 @@ enum bug_trap_type {
struct pt_regs;
#ifdef __CHECKER__
-#define BUILD_BUG_ON_NOT_POWER_OF_2(n)
+#define BUILD_BUG_ON_NOT_POWER_OF_2(n) (0)
#define BUILD_BUG_ON_ZERO(e) (0)
#define BUILD_BUG_ON_NULL(e) ((void*)0)
#define BUILD_BUG_ON_INVALID(e) (0)
-#define BUILD_BUG_ON(condition)
+#define BUILD_BUG_ON(condition) (0)
#define BUILD_BUG() (0)
#else /* __CHECKER__ */
_
Patches currently in -mm which might be from daniel.santos@xxxxxxxxx are
compiler-gcc4h-reorder-macros-based-upon-gcc-ver.patch
compiler-gcch-add-gcc-recommended-gcc_version-macro.patch
compiler-gcc34h-use-gcc_version-macro.patch
compiler-gcc4h-bugh-remove-duplicate-macros.patch
bugh-fix-build_bug_on-macro-in-__checker__.patch
bugh-prevent-double-evaulation-of-in-build_bug_on.patch
bugh-make-build_bug_on-generate-compile-time-error.patch
compilerh-bugh-prevent-double-error-messages-with-build_bug_on.patch
bugh-compilerh-introduce-compiletime_assert-build_bug_on_msg.patch
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