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
WARNING: multiple messages have this Message-ID (diff)
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 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next reply other threads:[~2021-04-20 13:38 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-20 13:37 guoren [this message] 2021-04-20 13:37 ` [PATCH 1/3] nds32: Cleanup deprecated function strlen_user guoren 2021-04-20 13:37 ` [PATCH 2/3] nios2: " guoren 2021-04-20 13:37 ` guoren 2021-04-20 14:32 ` Arnd Bergmann 2021-04-20 14:32 ` Arnd Bergmann 2021-04-20 14:49 ` Al Viro 2021-04-20 14:49 ` Al Viro 2021-04-21 8:28 ` Guo Ren 2021-04-21 8:28 ` Guo Ren 2021-04-20 13:37 ` [PATCH 3/3] riscv: " guoren 2021-04-20 13:37 ` guoren 2021-04-20 14:38 ` [PATCH 1/3] nds32: " Christoph Hellwig 2021-04-20 14:38 ` Christoph Hellwig 2021-04-20 15:20 ` Greentime Hu 2021-04-20 15:20 ` Greentime Hu
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