From 527f6750d92beb9c787d8aba48477b1e834d64e5 Mon Sep 17 00:00:00 2001 From: Marco Elver Date: Tue, 13 Oct 2020 16:47:51 -0700 Subject: kasan: remove mentions of unsupported Clang versions Since the kernel now requires at least Clang 10.0.1, remove any mention of old Clang versions and simplify the documentation. Signed-off-by: Marco Elver Signed-off-by: Nick Desaulniers Signed-off-by: Andrew Morton Reviewed-by: Andrey Konovalov Reviewed-by: Kees Cook Reviewed-by: Nathan Chancellor Cc: Fangrui Song Cc: Miguel Ojeda Cc: Sedat Dilek Cc: Alexei Starovoitov Cc: Daniel Borkmann Cc: Masahiro Yamada Cc: Vincenzo Frascino Cc: Will Deacon Link: https://lkml.kernel.org/r/20200902225911.209899-7-ndesaulniers@google.com Signed-off-by: Linus Torvalds --- Documentation/dev-tools/kasan.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'Documentation/dev-tools') diff --git a/Documentation/dev-tools/kasan.rst b/Documentation/dev-tools/kasan.rst index 38fd5681fade..4abc84b1798c 100644 --- a/Documentation/dev-tools/kasan.rst +++ b/Documentation/dev-tools/kasan.rst @@ -13,10 +13,10 @@ KASAN uses compile-time instrumentation to insert validity checks before every memory access, and therefore requires a compiler version that supports that. Generic KASAN is supported in both GCC and Clang. With GCC it requires version -8.3.0 or later. With Clang it requires version 7.0.0 or later, but detection of +8.3.0 or later. Any supported Clang version is compatible, but detection of out-of-bounds accesses for global variables is only supported since Clang 11. -Tag-based KASAN is only supported in Clang and requires version 7.0.0 or later. +Tag-based KASAN is only supported in Clang. Currently generic KASAN is supported for the x86_64, arm64, xtensa, s390 and riscv architectures, and tag-based KASAN is supported only for arm64. -- cgit