vmlinux.lds.h: Avoid KASAN and KCSAN's unwanted sections
KASAN (-fsanitize=kernel-address) and KCSAN (-fsanitize=thread) produce unwanted[1] .eh_frame and .init_array.* sections. Add them to COMMON_DISCARDS, except with CONFIG_CONSTRUCTORS, which wants to keep .init_array.* sections. [1] https://bugs.llvm.org/show_bug.cgi?id=46478 Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Tested-by: Marco Elver <elver@google.com> Cc: linux-arch@vger.kernel.org Link: https://lore.kernel.org/r/20200821194310.3089815-4-keescook@chromium.org
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