The patch titled
Subject: kcov: don't instrument lib/find_bit.c
has been added to the -mm mm-nonmm-unstable branch. Its filename is
kcov-dont-instrument-lib-find_bitc.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/kcov-dont-instrument-lib-find_bitc.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Andrey Konovalov <andreyknvl@xxxxxxxxx>
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@xxxxxxxxx
Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxx>
Cc: Aleksandr Nogikh <nogikh@xxxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Marco Elver <elver@xxxxxxxxxx>
Cc: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
Cc: Yury Norov <yury.norov@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
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"
_
Patches currently in -mm which might be from andreyknvl@xxxxxxxxx are
kcov-dont-instrument-lib-find_bitc.patch
