The patch titled
Subject: compiler-clang: remove version check for BPF Tracing
has been added to the -mm tree. Its filename is
compiler-clang-remove-version-check-for-bpf-tracing.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/compiler-clang-remove-version-check-for-bpf-tracing.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/compiler-clang-remove-version-check-for-bpf-tracing.patch
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------------------------------------------------------
From: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
Subject: compiler-clang: remove version check for BPF Tracing
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.
Link: https://lkml.kernel.org/r/20201104191052.390657-1-ndesaulniers@xxxxxxxxxx
Fixes: commit 1f7a44f63e6c ("compiler-clang: add build check for clang 10.0.1")
Signed-off-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
Reported-by: Chen Yu <yu.chen.surf@xxxxxxxxx>
Reported-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
Acked-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
Tested-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
Acked-by: Song Liu <songliubraving@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/compiler-clang.h | 2 ++
1 file changed, 2 insertions(+)
--- a/include/linux/compiler-clang.h~compiler-clang-remove-version-check-for-bpf-tracing
+++ a/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 */
_
Patches currently in -mm which might be from ndesaulniers@xxxxxxxxxx are
compiler-clang-remove-version-check-for-bpf-tracing.patch
