linux-kernel - [PATCH v2 1/2] sparc: revive __HAVE_ARCH

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Message-Id: <20200311223725.27662-1-masahiroy@kernel.org>
Date:   Thu, 12 Mar 2020 07:37:24 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     linux-kbuild@...r.kernel.org
Cc:     sparclinux@...r.kernel.org,
        "David S . Miller" <davem@...emloft.net>,
        clang-built-linux@...glegroups.com,
        Al Viro <viro@...iv.linux.org.uk>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Ilie Halip <ilie.halip@...il.com>,
        Nathan Chancellor <natechancellor@...il.com>,
        linux-kernel@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>
Subject: [PATCH v2 1/2] sparc: revive __HAVE_ARCH_STRLEN for 32bit sparc

Prior to commit 70a6fcf3283a ("[sparc] unify 32bit and 64bit string.h"),
__HAVE_ARCH_STRLEN was defined in both of string_32.h and string_64.h

It did not unify __HAVE_ARCH_STRLEN, but deleted it from string_32.h

This issue was reported by the kbuild test robot in the trial of
forcible linking of $(lib-y) to vmlinux.

Fixes: 70a6fcf3283a ("[sparc] unify 32bit and 64bit string.h")
Reported-by: kbuild test robot <lkp@...el.com>
Suggested-by: Nick Desaulniers <ndesaulniers@...gle.com>
Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

Changes in v2:
  - Insert a new patch to avoid sparc32 build error

 arch/sparc/include/asm/string.h    | 4 ++++
 arch/sparc/include/asm/string_64.h | 4 ----
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/sparc/include/asm/string.h b/arch/sparc/include/asm/string.h
index 3d9cd082716b..001a17baf2d5 100644
--- a/arch/sparc/include/asm/string.h
+++ b/arch/sparc/include/asm/string.h
@@ -37,6 +37,10 @@ void *memmove(void *, const void *, __kernel_size_t);
 #define __HAVE_ARCH_MEMCMP
 int memcmp(const void *,const void *,__kernel_size_t);
 
+/* Now the str*() stuff... */
+#define __HAVE_ARCH_STRLEN
+__kernel_size_t strlen(const char *);
+
 #define __HAVE_ARCH_STRNCMP
 int strncmp(const char *, const char *, __kernel_size_t);
 
diff --git a/arch/sparc/include/asm/string_64.h b/arch/sparc/include/asm/string_64.h
index ee9ba67321bd..d5c563058a5b 100644
--- a/arch/sparc/include/asm/string_64.h
+++ b/arch/sparc/include/asm/string_64.h
@@ -12,8 +12,4 @@
 
 #include <asm/asi.h>
 
-/* Now the str*() stuff... */
-#define __HAVE_ARCH_STRLEN
-__kernel_size_t strlen(const char *);
-
 #endif /* !(__SPARC64_STRING_H__) */
-- 
2.17.1