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authorAlexander Potapenko <glider@google.com>2016-10-11 22:54:47 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-12 00:06:32 +0200
commit65deb8af76defeae4b114a75242ed15b0bcba173 (patch)
treea247f622c6c45ddfb32c5570f5b23940a6d739b8
parentconfig: android: enable CONFIG_SECCOMP (diff)
downloadlinux-65deb8af76defeae4b114a75242ed15b0bcba173.tar.xz
linux-65deb8af76defeae4b114a75242ed15b0bcba173.zip
kcov: do not instrument lib/stackdepot.c
There's no point in collecting coverage from lib/stackdepot.c, as it is not a function of syscall inputs. Disabling kcov instrumentation for that file will reduce the coverage noise level. Link: http://lkml.kernel.org/r/1474640972-104131-1-git-send-email-glider@google.com Signed-off-by: Alexander Potapenko <glider@google.com> Acked-by: Dmitry Vyukov <dvyukov@google.com> Cc: Kostya Serebryany <kcc@google.com> Cc: Andrey Konovalov <andreyknvl@google.com> Cc: syzkaller <syzkaller@googlegroups.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--lib/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Makefile b/lib/Makefile
index f3ca8c0ab634..50144a3aeebd 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -180,6 +180,7 @@ obj-$(CONFIG_IRQ_POLL) += irq_poll.o
obj-$(CONFIG_STACKDEPOT) += stackdepot.o
KASAN_SANITIZE_stackdepot.o := n
+KCOV_INSTRUMENT_stackdepot.o := n
libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o \
fdt_empty_tree.o