From: Nadav Amit <namit@xxxxxxxxxx> There is no reason not to allow the use of ftrace for usercopy, xarray and iov_iter. Enable tracing for these compilation unit. Signed-off-by: Nadav Amit <namit@xxxxxxxxxx> --- lib/Makefile | 3 +++ 1 file changed, 3 insertions(+) diff --git a/lib/Makefile b/lib/Makefile index 59bd7c2f793a..32766aa26670 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -27,6 +27,8 @@ KASAN_SANITIZE_string.o := n CFLAGS_string.o += -fno-stack-protector endif +CFLAGS_xarray.o += $(CC_FLAGS_FTRACE) +CFLAGS_iov_iter.o += $(CC_FLAGS_FTRACE) lib-y := ctype.o string.o vsprintf.o cmdline.o \ rbtree.o radix-tree.o timerqueue.o xarray.o \ maple_tree.o idr.o extable.o irq_regs.o argv_split.o \ @@ -42,6 +44,7 @@ lib-$(CONFIG_SMP) += cpumask.o lib-y += kobject.o klist.o obj-y += lockref.o +CFLAGS_usercopy.o += $(CC_FLAGS_FTRACE) obj-y += bcd.o sort.o parser.o debug_locks.o random32.o \ bust_spinlocks.o kasprintf.o bitmap.o scatterlist.o \ list_sort.o uuid.o iov_iter.o clz_ctz.o \ -- 2.25.1
