From dc15a8a2543cb9ebe67998eefe2880ce1a20d42e Mon Sep 17 00:00:00 2001
From: Andrey Konovalov <andreyknvl@google.com>
Date: Wed, 20 Feb 2019 22:20:20 -0800
Subject: kasan: prevent tracing of tags.c

Similarly to commit 0d0c8de8788b ("kasan: mark file common so ftrace
doesn't trace it") add the -pg flag to mm/kasan/tags.c to prevent
conflicts with tracing.

Link: http://lkml.kernel.org/r/9c4c3ce5ccfb894c7fe66d91de7c1da2787b4da4.1550602886.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reported-by: Qian Cai <cai@lca.pw>
Tested-by: Qian Cai <cai@lca.pw>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Kostya Serebryany <kcc@google.com>
Cc: Evgeniy Stepanov <eugenis@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/kasan/Makefile | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'mm')

diff --git a/mm/kasan/Makefile b/mm/kasan/Makefile
index e2bb06c1b45e..5d1065efbd47 100644
--- a/mm/kasan/Makefile
+++ b/mm/kasan/Makefile
@@ -7,6 +7,8 @@ KCOV_INSTRUMENT := n
 
 CFLAGS_REMOVE_common.o = -pg
 CFLAGS_REMOVE_generic.o = -pg
+CFLAGS_REMOVE_tags.o = -pg
+
 # Function splitter causes unnecessary splits in __asan_load1/__asan_store1
 # see: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63533
 
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