From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nadav Amit Date: Thu, 25 May 2023 21:00:40 +0000 Subject: [PATCH v2 3/3] lib: Allow traceing of usercopy, xarray, iov_iter, find_bit Message-Id: <20230525210040.3637-4-namit@vmware.com> List-Id: References: <20230525210040.3637-1-namit@vmware.com> In-Reply-To: <20230525210040.3637-1-namit@vmware.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Steven Rostedt , Arnd Bergmann , Thomas Gleixner Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, linux-um@lists.infradead.org, Linux-Arch , linux-mm@kvack.org, Andy Lutomirski , Ingo Molnar , Dave Hansen , Borislav Petkov , x86@kernel.org, Peter Zijlstra , Nadav Amit From: Nadav Amit 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 --- lib/Makefile | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lib/Makefile b/lib/Makefile index 876fcdeae34e..00450e1cc97d 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -27,6 +27,9 @@ KASAN_SANITIZE_string.o := n CFLAGS_string.o += -fno-stack-protector endif +CFLAGS_xarray.o += $(CC_FLAGS_FTRACE) +CFLAGS_iov_iter.o += $(CC_FLAGS_FTRACE) + lib-y := ctype.o string.o vsprintf.o cmdline.o \ rbtree.o radix-tree.o timerqueue.o xarray.o \ maple_tree.o idr.o extable.o irq_regs.o argv_split.o \ @@ -42,6 +45,8 @@ lib-$(CONFIG_SMP) += cpumask.o lib-y += kobject.o klist.o obj-y += lockref.o +CFLAGS_usercopy.o += $(CC_FLAGS_FTRACE) +CFLAGS_find_bit.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