On Tue, Apr 20, 2021 at 04:32:33PM +0200, Arnd Bergmann wrote: > 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? Might make sense to check -next from time to time... See a0d8d552783b "whack-a-mole: kill strlen_user() (again)" in there