1 files changed, 15 insertions, 25 deletions

diff --git a/arch/s390/include/asm/string.h b/arch/s390/include/asm/string.h
index 351685de53d2..f8f68f4ef255 100644
--- a/arch/s390/include/asm/string.h
+++ b/arch/s390/include/asm/string.h
@@ -15,36 +15,33 @@
 #define __HAVE_ARCH_MEMCPY	/* gcc builtin & arch function */
 #define __HAVE_ARCH_MEMMOVE	/* gcc builtin & arch function */
 #define __HAVE_ARCH_MEMSET	/* gcc builtin & arch function */
-#define __HAVE_ARCH_MEMSET16	/* arch function */
-#define __HAVE_ARCH_MEMSET32	/* arch function */
-#define __HAVE_ARCH_MEMSET64	/* arch function */
 
 void *memcpy(void *dest, const void *src, size_t n);
 void *memset(void *s, int c, size_t n);
 void *memmove(void *dest, const void *src, size_t n);
 
-#ifndef CONFIG_KASAN
+#if !defined(CONFIG_KASAN) && !defined(CONFIG_KMSAN)
 #define __HAVE_ARCH_MEMCHR	/* inline & arch function */
 #define __HAVE_ARCH_MEMCMP	/* arch function */
 #define __HAVE_ARCH_MEMSCAN	/* inline & arch function */
 #define __HAVE_ARCH_STRCAT	/* inline & arch function */
 #define __HAVE_ARCH_STRCMP	/* arch function */
-#define __HAVE_ARCH_STRCPY	/* inline & arch function */
 #define __HAVE_ARCH_STRLCAT	/* arch function */
 #define __HAVE_ARCH_STRLEN	/* inline & arch function */
 #define __HAVE_ARCH_STRNCAT	/* arch function */
-#define __HAVE_ARCH_STRNCPY	/* arch function */
 #define __HAVE_ARCH_STRNLEN	/* inline & arch function */
 #define __HAVE_ARCH_STRSTR	/* arch function */
+#define __HAVE_ARCH_MEMSET16	/* arch function */
+#define __HAVE_ARCH_MEMSET32	/* arch function */
+#define __HAVE_ARCH_MEMSET64	/* arch function */
 
 /* Prototypes for non-inlined arch strings functions. */
 int memcmp(const void *s1, const void *s2, size_t n);
 int strcmp(const char *s1, const char *s2);
 size_t strlcat(char *dest, const char *src, size_t n);
 char *strncat(char *dest, const char *src, size_t n);
-char *strncpy(char *dest, const char *src, size_t n);
 char *strstr(const char *s1, const char *s2);
-#endif /* !CONFIG_KASAN */
+#endif /* !defined(CONFIG_KASAN) && !defined(CONFIG_KMSAN) */
 
 #undef __HAVE_ARCH_STRCHR
 #undef __HAVE_ARCH_STRNCHR
@@ -74,20 +71,30 @@ void *__memset16(uint16_t *s, uint16_t v, size_t count);
 void *__memset32(uint32_t *s, uint32_t v, size_t count);
 void *__memset64(uint64_t *s, uint64_t v, size_t count);
 
+#ifdef __HAVE_ARCH_MEMSET16
 static inline void *memset16(uint16_t *s, uint16_t v, size_t count)
 {
 	return __memset16(s, v, count * sizeof(v));
 }
+#endif
 
+#ifdef __HAVE_ARCH_MEMSET32
 static inline void *memset32(uint32_t *s, uint32_t v, size_t count)
 {
 	return __memset32(s, v, count * sizeof(v));
 }
+#endif
 
+#ifdef __HAVE_ARCH_MEMSET64
+#ifdef IN_BOOT_STRING_C
+void *memset64(uint64_t *s, uint64_t v, size_t count);
+#else
 static inline void *memset64(uint64_t *s, uint64_t v, size_t count)
 {
 	return __memset64(s, v, count * sizeof(v));
 }
+#endif
+#endif
 
 #if !defined(IN_ARCH_STRING_C) && (!defined(CONFIG_FORTIFY_SOURCE) || defined(__NO_FORTIFY))
 
@@ -145,22 +152,6 @@ static inline char *strcat(char *dst, const char *src)
 }
 #endif
 
-#ifdef __HAVE_ARCH_STRCPY
-static inline char *strcpy(char *dst, const char *src)
-{
-	char *ret = dst;
-
-	asm volatile(
-		"	lghi	0,0\n"
-		"0:	mvst	%[dst],%[src]\n"
-		"	jo	0b"
-		: [dst] "+&a" (dst), [src] "+&a" (src)
-		:
-		: "cc", "memory", "0");
-	return ret;
-}
-#endif
-
 #if defined(__HAVE_ARCH_STRLEN) || (defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__))
 static inline size_t __no_sanitize_prefix_strfunc(strlen)(const char *s)
 {
@@ -198,7 +189,6 @@ static inline size_t strnlen(const char * s, size_t n)
 void *memchr(const void * s, int c, size_t n);
 void *memscan(void *s, int c, size_t n);
 char *strcat(char *dst, const char *src);
-char *strcpy(char *dst, const char *src);
 size_t strlen(const char *s);
 size_t strnlen(const char * s, size_t n);
 #endif /* !IN_ARCH_STRING_C */