bpftrace parses the kernel headers and uses Clang under the hood. Remove the version check when __BPF_TRACING__ is defined (as bpftrace does) so that this tool can continue to parse kernel headers, even with older clang sources.
Cc: stable@vger.kernel.org Fixes: commit 1f7a44f63e6c ("compiler-clang: add build check for clang 10.0.1") Reported-by: Chen Yu yu.chen.surf@gmail.com Reported-by: Jarkko Sakkinen jarkko@kernel.org Signed-off-by: Nick Desaulniers ndesaulniers@google.com --- include/linux/compiler-clang.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h index dd7233c48bf3..98cff1b4b088 100644 --- a/include/linux/compiler-clang.h +++ b/include/linux/compiler-clang.h @@ -8,8 +8,10 @@ + __clang_patchlevel__)
#if CLANG_VERSION < 100001 +#ifndef __BPF_TRACING__ # error Sorry, your version of Clang is too old - please use 10.0.1 or newer. #endif +#endif
/* Compiler specific definitions for Clang compiler */