blob: 417c93d3e16c4b6db7b5128483561932bfc3aaf1 [file] [log] [blame]
From: Andrey Konovalov <andreyknvl@gmail.com>
Subject: kcov: don't instrument lib/find_bit.c
Date: Tue, 23 Jul 2024 00:37:26 +0200
This file produces large amounts of flaky coverage not useful for the
KCOV's intended use case (guiding the fuzzing process).
Link: https://lkml.kernel.org/r/20240722223726.194658-1-andrey.konovalov@linux.dev
Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Aleksandr Nogikh <nogikh@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Marco Elver <elver@google.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
lib/Makefile | 1 +
1 file changed, 1 insertion(+)
--- a/lib/Makefile~kcov-dont-instrument-lib-find_bitc
+++ a/lib/Makefile
@@ -14,6 +14,7 @@ KCOV_INSTRUMENT_list_debug.o := n
KCOV_INSTRUMENT_debugobjects.o := n
KCOV_INSTRUMENT_dynamic_debug.o := n
KCOV_INSTRUMENT_fault-inject.o := n
+KCOV_INSTRUMENT_find_bit.o := n
# string.o implements standard library functions like memset/memcpy etc.
# Use -ffreestanding to ensure that the compiler does not try to "optimize"
_