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authorMark Brown <broonie@kernel.org>2022-11-25 19:16:05 +0000
committerMark Brown <broonie@kernel.org>2022-11-25 19:16:05 +0000
commit5cd4d3886780bf9a846eada29a2aefe8bfcac027 (patch)
treeea5cc9b11657912a1371932ad467a7a622e8010c /include/linux/kmsan_string.h
parentef3232e3dbd172fa17190fa8a852a3180a73bbdc (diff)
parentf0c4d9fc9cc9462659728d168387191387e903cc (diff)
Merge tag 'v6.1-rc4' into spi-6.2
Linux 6.1-rc4 which should get my CI working on RPi3s again.
Diffstat (limited to 'include/linux/kmsan_string.h')
-rw-r--r--include/linux/kmsan_string.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/kmsan_string.h b/include/linux/kmsan_string.h
new file mode 100644
index 000000000000..7287da6f52ef
--- /dev/null
+++ b/include/linux/kmsan_string.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * KMSAN string functions API used in other headers.
+ *
+ * Copyright (C) 2022 Google LLC
+ * Author: Alexander Potapenko <glider@google.com>
+ *
+ */
+#ifndef _LINUX_KMSAN_STRING_H
+#define _LINUX_KMSAN_STRING_H
+
+/*
+ * KMSAN overrides the default memcpy/memset/memmove implementations in the
+ * kernel, which requires having __msan_XXX function prototypes in several other
+ * headers. Keep them in one place instead of open-coding.
+ */
+void *__msan_memcpy(void *dst, const void *src, size_t size);
+void *__msan_memset(void *s, int c, size_t n);
+void *__msan_memmove(void *dest, const void *src, size_t len);
+
+#endif /* _LINUX_KMSAN_STRING_H */