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authorArnaldo Carvalho de Melo <acme@redhat.com>2021-01-20 14:35:31 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-01-20 14:35:31 -0300
commitcd07e536b0201fceffd90a701bfb1e1fc07fcd34 (patch)
tree4777d4b2f749b279fc07bd41f11b88c9e4578afe /include/linux/compiler_attributes.h
parent47fddcb479e73c341fb414e40a89572dacadd360 (diff)
parent45dfb8a5659ad286c28fa59008271dbc4e5e3f2d (diff)
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'include/linux/compiler_attributes.h')
-rw-r--r--include/linux/compiler_attributes.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h
index b2a3f4f641a7..ea5e04e75845 100644
--- a/include/linux/compiler_attributes.h
+++ b/include/linux/compiler_attributes.h
@@ -273,6 +273,12 @@
#define __used __attribute__((__used__))
/*
+ * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-warn_005funused_005fresult-function-attribute
+ * clang: https://clang.llvm.org/docs/AttributeReference.html#nodiscard-warn-unused-result
+ */
+#define __must_check __attribute__((__warn_unused_result__))
+
+/*
* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-weak-function-attribute
* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-weak-variable-attribute
*/