diff options
Diffstat (limited to 'scripts/Makefile.kcsan')
| -rw-r--r-- | scripts/Makefile.kcsan | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/scripts/Makefile.kcsan b/scripts/Makefile.kcsan index caf1111a28ae..20337a7ecf54 100644 --- a/scripts/Makefile.kcsan +++ b/scripts/Makefile.kcsan @@ -1,6 +1,15 @@ # SPDX-License-Identifier: GPL-2.0 ifdef CONFIG_KCSAN -CFLAGS_KCSAN := -fsanitize=thread +# GCC and Clang accept backend options differently. Do not wrap in cc-option, +# because Clang accepts "--param" even if it is unused. +ifdef CONFIG_CC_IS_CLANG +cc-param = -mllvm -$(1) +else +cc-param = --param -$(1) +endif + +CFLAGS_KCSAN := -fsanitize=thread \ + $(call cc-option,$(call cc-param,tsan-instrument-func-entry-exit=0) -fno-optimize-sibling-calls) endif # CONFIG_KCSAN |