From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nadav Amit Date: Tue, 22 Nov 2022 19:53:28 +0000 Subject: [PATCH 2/3] lib/usercopy: Allow traceing of usercopy, xarray, iov_iter Message-Id: <20221122195329.252654-3-namit@vmware.com> List-Id: References: <20221122195329.252654-1-namit@vmware.com> In-Reply-To: <20221122195329.252654-1-namit@vmware.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: 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@vger.kernel.org, linux-mm@kvack.org, Andy Lutomirski , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, Richard Weinberger , Anton Ivanov , Johannes Berg , Arnd Bergmann , Andrew Morton , 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 | 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