VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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author: Andrey Ryabinin <ryabinin.a.a@gmail.com> 2021-02-25 17:22:42 -0800 committer: Linus Torvalds <torvalds@linux-foundation.org> 2021-02-26 09:41:05 -0800 commit: 6aaa31aeb9cf260e1b7155cc11ec864f052db5ec parent: d54ce6158e354f5358a547b96299ecd7f3725393
Commit Summary:
ubsan: remove overflow checks
Diffstat:
1 file changed, 0 insertions, 16 deletions
diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan
index 3a0b1c930733..e5372a13511d 100644
--- a/lib/Kconfig.ubsan
+++ b/lib/Kconfig.ubsan
@@ -112,23 +112,6 @@ config UBSAN_UNREACHABLE
 	  This option enables -fsanitize=unreachable which checks for control
 	  flow reaching an expected-to-be-unreachable position.
 
-config UBSAN_SIGNED_OVERFLOW
-	bool "Perform checking for signed arithmetic overflow"
-	default UBSAN
-	depends on $(cc-option,-fsanitize=signed-integer-overflow)
-	help
-	  This option enables -fsanitize=signed-integer-overflow which checks
-	  for overflow of any arithmetic operations with signed integers.
-
-config UBSAN_UNSIGNED_OVERFLOW
-	bool "Perform checking for unsigned arithmetic overflow"
-	depends on $(cc-option,-fsanitize=unsigned-integer-overflow)
-	depends on !X86_32 # avoid excessive stack usage on x86-32/clang
-	help
-	  This option enables -fsanitize=unsigned-integer-overflow which checks
-	  for overflow of any arithmetic operations with unsigned integers. This
-	  currently causes x86 to fail to boot.
-
 config UBSAN_OBJECT_SIZE
 	bool "Perform checking for accesses beyond the end of objects"
 	default UBSAN