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authorIngo Molnar <mingo@kernel.org>2017-04-24 23:31:35 +0200
committerIngo Molnar <mingo@kernel.org>2017-04-24 23:31:35 +0200
commitfd7647979a3948dae4fc6f25dbbdf9ba269bed78 (patch)
tree3564d53e2242beb9616ad050a6142de689cf814a /tools/include/linux/compiler-gcc.h
parente720c19e0d5412f45736d62258d21dc7b056c4ad (diff)
parent9d43f5e8df6804ae271407500af9062e9278167a (diff)
Merge tag 'perf-core-for-mingo-4.12-20170424' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo: User visible changes: - Fix display of data source snoop indication in 'perf mem' (Andi Kleen) - Fix the code to strip command name from /proc/PID/stat (Jiri Olsa) Infrastructure changes: - Continue the disentanglement of headers, specially util.h (Arnaldo Carvalho de Melo) - Synchronize some header files with the kernel (Arnaldo Carvalho de Melo) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/include/linux/compiler-gcc.h')
-rw-r--r--tools/include/linux/compiler-gcc.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/include/linux/compiler-gcc.h b/tools/include/linux/compiler-gcc.h
index 616935f1ff56..825d44f89a29 100644
--- a/tools/include/linux/compiler-gcc.h
+++ b/tools/include/linux/compiler-gcc.h
@@ -16,3 +16,6 @@
#if GCC_VERSION >= 40300
# define __compiletime_error(message) __attribute__((error(message)))
#endif /* GCC_VERSION >= 40300 */
+
+/* &a[0] degrades to a pointer: a different type from an array */
+#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))