On Tue, Apr 20, 2021 at 3:37 PM <guoren@xxxxxxxxxx> wrote: > > From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx> > > $ 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); I would suggest using "grep strlen_user * -rw", to let the whole-word match filter out the irrelevant ones for the changelog. > See grep result, nobody uses it. > > Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx> > Cc: Arnd Bergmann <arnd@xxxxxxxx> All three patches Reviewed-by: Arnd Bergmann <arnd@xxxxxxxx> Do you want me to pick them up in the asm-generic tree?