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Subject[PATCH 12/43] kcsan: clang: retire CONFIG_KCSAN_KCOV_BROKEN
From
kcov used to be broken prior to Clang 11, but right now that version is
already the minimum required to build with KCSAN, that is why we don't
need KCSAN_KCOV_BROKEN anymore.

Suggested-by: Marco Elver <elver@google.com>
Signed-off-by: Alexander Potapenko <glider@google.com>
---
Link: https://linux-review.googlesource.com/id/Ida287421577f37de337139b5b5b9e977e4a6fee2
---
lib/Kconfig.kcsan | 11 -----------
1 file changed, 11 deletions(-)

diff --git a/lib/Kconfig.kcsan b/lib/Kconfig.kcsan
index e0a93ffdef30e..b81454b2a0d09 100644
--- a/lib/Kconfig.kcsan
+++ b/lib/Kconfig.kcsan
@@ -10,21 +10,10 @@ config HAVE_KCSAN_COMPILER
For the list of compilers that support KCSAN, please see
<file:Documentation/dev-tools/kcsan.rst>.

-config KCSAN_KCOV_BROKEN
- def_bool KCOV && CC_HAS_SANCOV_TRACE_PC
- depends on CC_IS_CLANG
- depends on !$(cc-option,-Werror=unused-command-line-argument -fsanitize=thread -fsanitize-coverage=trace-pc)
- help
- Some versions of clang support either KCSAN and KCOV but not the
- combination of the two.
- See https://bugs.llvm.org/show_bug.cgi?id=45831 for the status
- in newer releases.
-
menuconfig KCSAN
bool "KCSAN: dynamic data race detector"
depends on HAVE_ARCH_KCSAN && HAVE_KCSAN_COMPILER
depends on DEBUG_KERNEL && !KASAN
- depends on !KCSAN_KCOV_BROKEN
select STACKTRACE
help
The Kernel Concurrency Sanitizer (KCSAN) is a dynamic
--
2.34.1.173.g76aa8bc2d0-goog
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