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Message-Id: <1380572952-30729-3-git-send-email-andi@firstfloor.org>
Date: Mon, 30 Sep 2013 13:29:03 -0700
From: Andi Kleen <andi@...stfloor.org>
To: linux-kernel@...r.kernel.org
Cc: Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 02/11] Disable initialized_var for clang
From: Andi Kleen <ak@...ux.intel.com>
LLVM clang doesn't understand uninitialized_var and always throws a
warning. Disable the macro for this case.
Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
include/linux/compiler-gcc.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 24545cd..fa93722 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -110,6 +110,10 @@
* A trick to suppress uninitialized variable warning without generating any
* code
*/
+#ifdef __clang__
+#define uninitialized_var(x) x
+#else
#define uninitialized_var(x) x = x
+#endif
#define __always_inline inline __attribute__((always_inline))
--
1.8.3.1
--
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