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authorIngo Molnar <mingo@kernel.org>2016-09-05 12:09:59 +0200
committerIngo Molnar <mingo@kernel.org>2016-09-05 12:09:59 +0200
commit2cc538412a1ca103923ec400a339a5b3833e0280 (patch)
treec141b83e1da736c3d069ed491816d0096e1b532a /include/linux/compiler-gcc.h
parent36e674a05164cdbb9d4a5b1b0b279fabae6c13bd (diff)
parent58763148758057ffc447bf990321d3ea86d199a0 (diff)
Merge branch 'perf/urgent' into perf/core, to pick up fixed and resolve conflicts
Conflicts: kernel/events/core.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/compiler-gcc.h')
-rw-r--r--include/linux/compiler-gcc.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index e2949397c19b..573c5a18908f 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -158,7 +158,7 @@
#define __compiler_offsetof(a, b) \
__builtin_offsetof(a, b)
-#if GCC_VERSION >= 40100 && GCC_VERSION < 40600
+#if GCC_VERSION >= 40100
# define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
#endif
@@ -242,7 +242,11 @@
*/
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
-#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
+/*
+ * sparse (__CHECKER__) pretends to be gcc, but can't do constant
+ * folding in __builtin_bswap*() (yet), so don't set these for it.
+ */
+#if defined(CONFIG_ARCH_USE_BUILTIN_BSWAP) && !defined(__CHECKER__)
#if GCC_VERSION >= 40400
#define __HAVE_BUILTIN_BSWAP32__
#define __HAVE_BUILTIN_BSWAP64__
@@ -250,7 +254,7 @@
#if GCC_VERSION >= 40800
#define __HAVE_BUILTIN_BSWAP16__
#endif
-#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
+#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP && !__CHECKER__ */
#if GCC_VERSION >= 50000
#define KASAN_ABI_VERSION 4