From: guoren@kernel.org
To: guoren@kernel.org, arnd@arndb.de
Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-csky@vger.kernel.org, linux-arch@vger.kernel.org,
Guo Ren <guoren@linux.alibaba.com>
Subject: [PATCH 1/3] nds32: Cleanup deprecated function strlen_user
Date: Tue, 20 Apr 2021 13:37:07 +0000 [thread overview]
Message-ID: <1618925829-90071-1-git-send-email-guoren@kernel.org> (raw)
From: Guo Ren <guoren@linux.alibaba.com>
$ grep strlen_user * -r
arch/csky/include/asm/uaccess.h:#define strlen_user(str) strnlen_user(str, 32767)
arch/csky/lib/usercopy.c: * strlen_user: - Get the size of a string in user space.
arch/ia64/lib/strlen.S: // Please note that in the case of strlen() as opposed to strlen_user()
arch/mips/lib/strnlen_user.S: * make strlen_user and strnlen_user access the first few KSEG0
arch/nds32/include/asm/uaccess.h:extern __must_check long strlen_user(const char __user * str);
arch/nios2/include/asm/uaccess.h:extern __must_check long strlen_user(const char __user *str);
arch/riscv/include/asm/uaccess.h:extern long __must_check strlen_user(const char __user *str);
kernel/trace/trace_probe_tmpl.h:static nokprobe_inline int fetch_store_strlen_user(unsigned long addr);
kernel/trace/trace_probe_tmpl.h: ret += fetch_store_strlen_user(val + code->offset);
kernel/trace/trace_uprobe.c:fetch_store_strlen_user(unsigned long addr)
kernel/trace/trace_kprobe.c:fetch_store_strlen_user(unsigned long addr)
kernel/trace/trace_kprobe.c: return fetch_store_strlen_user(addr);
See grep result, nobody uses it.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Cc: Arnd Bergmann <arnd@arndb.de>
---
arch/nds32/include/asm/uaccess.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/nds32/include/asm/uaccess.h b/arch/nds32/include/asm/uaccess.h
index 010ba5f..d4cbf06 100644
--- a/arch/nds32/include/asm/uaccess.h
+++ b/arch/nds32/include/asm/uaccess.h
@@ -260,7 +260,6 @@ do { \
extern unsigned long __arch_clear_user(void __user * addr, unsigned long n);
extern long strncpy_from_user(char *dest, const char __user * src, long count);
-extern __must_check long strlen_user(const char __user * str);
extern __must_check long strnlen_user(const char __user * str, long n);
extern unsigned long __arch_copy_from_user(void *to, const void __user * from,
unsigned long n);
--
2.7.4
next reply other threads:[~2021-04-20 13:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-20 13:37 guoren [this message]
2021-04-20 13:37 ` [PATCH 2/3] nios2: Cleanup deprecated function strlen_user guoren
2021-04-20 14:32 ` Arnd Bergmann
2021-04-20 14:49 ` Al Viro
2021-04-21 8:28 ` Guo Ren
2021-04-20 13:37 ` [PATCH 3/3] riscv: " guoren
2021-04-20 14:38 ` [PATCH 1/3] nds32: " Christoph Hellwig
2021-04-20 15:20 ` Greentime Hu
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