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| author | Marco Elver <elver@google.com> | 2019-11-14 19:02:58 +0100 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2019-11-16 16:23:14 +0100 |
| commit | 0ebba7141eadc4804ec5b4bb5106331b0c3abf4c (patch) | |
| tree | a617750df8458739f01d1255ab33249f1de4b25f /mm | |
| parent | objtool, kcsan: Add KCSAN runtime functions to whitelist (diff) | |
| download | linux-0ebba7141eadc4804ec5b4bb5106331b0c3abf4c.tar.xz linux-0ebba7141eadc4804ec5b4bb5106331b0c3abf4c.zip | |
build, kcsan: Add KCSAN build exceptions
This blacklists several compilation units from KCSAN. See the respective
inline comments for the reasoning.
Signed-off-by: Marco Elver <elver@google.com>
Acked-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/Makefile | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/Makefile b/mm/Makefile index d996846697ef..56c1964bb3a1 100644 --- a/mm/Makefile +++ b/mm/Makefile @@ -7,6 +7,14 @@ KASAN_SANITIZE_slab_common.o := n KASAN_SANITIZE_slab.o := n KASAN_SANITIZE_slub.o := n +# These produce frequent data race reports: most of them are due to races on +# the same word but accesses to different bits of that word. Re-enable KCSAN +# for these when we have more consensus on what to do about them. +KCSAN_SANITIZE_slab_common.o := n +KCSAN_SANITIZE_slab.o := n +KCSAN_SANITIZE_slub.o := n +KCSAN_SANITIZE_page_alloc.o := n + # These files are disabled because they produce non-interesting and/or # flaky coverage that is not a function of syscall inputs. E.g. slab is out of # free pages, or a task is migrated between nodes. |